Corning Glass Works
Corning GlActive Patents
0
Total Holdings
260
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2066104A | Electrically conductive non-stick coating | Expired / Lapsed | 1980-12-10 | — | 25 | Details |
| DE2509112A1 | OPTICAL COUPLING | Expired / Lapsed | 1975-03-03 | — | 0 | Details |
| DE2208236A1 | Glass ceramic with tetrasilicic acid mica structure | Expired / Lapsed | 1972-02-22 | — | 0 | Details |
| DE2122895A1 | Process for making optical fibers | Expired / Lapsed | 1971-05-08 | — | 0 | Details |
| DE1909433A1 | Process for the production of a glass with high light trans… | Expired / Lapsed | 1969-02-25 | — | 0 | Details |
| GB1177406A | Electrochemical apparatus. | Expired / Lapsed | 1967-04-24 | — | 0 | Details |
| BE668409A | BE668409A - - Google Patents | Expired / Lapsed | 1965-08-17 | — | 0 | Details |
| GB1100186A | Improvements in ion exchange electrodes for electro-chemica… | Expired / Lapsed | 1965-08-09 | — | 0 | Details |
| GB583875A | Improvements in the manufacture of organo-silicon polymers | Expired / Lapsed | 1944-04-24 | — | 0 | Details |
| GB330268A | Electric insulating material and method of making the same | Expired / Lapsed | 1929-03-04 | — | 0 | Details |
| GB160492A | A new or improved method of or system for picture projection | Expired / Lapsed | 1919-11-19 | — | 0 | Details |
| US4776868A | Lenses and lens arrays | Expired / Lapsed | 1986-12-17 | 1988-10-11 | 9 | Details |
| US4662307A | Method and apparatus for recoating optical waveguide fibers | Expired / Lapsed | 1985-05-31 | 1987-05-05 | 20 | Details |
| USD276870S | Baking dish or the like | Expired / Lapsed | 1982-08-16 | 1984-12-25 | 1 | Details |
| US4444102A | Self aligning doctor/applicator blade assembly | Expired / Lapsed | 1981-12-21 | 1984-04-24 | 32 | Details |
| US4431420A | Glass-ceramic dental products | Expired / Lapsed | 1982-04-30 | 1984-02-14 | 2 | Details |
| US4397670A | Method of making alkali metal, calcium fluorosilicate glass… | Expired / Lapsed | 1982-09-13 | 1983-08-09 | 6 | Details |
| US4385802A | Long wavelength, low-loss optical waveguide | Expired / Lapsed | 1980-06-09 | 1983-05-31 | 7 | Details |
| US4379818A | Artwork alignment for decorating machine | Expired / Lapsed | 1981-12-21 | 1983-04-12 | 6 | Details |
| USD266473S | Platter or the like | Expired / Lapsed | 1980-10-17 | 1982-10-12 | 1 | Details |
| US4333467A | Nonstick conductive coating | Expired / Lapsed | 1979-12-12 | 1982-06-08 | 2 | Details |
| US4264649A | Method for coating optical waveguide filaments | Expired / Lapsed | 1979-12-26 | 1981-04-28 | 5 | Details |
| US4248614A | Method for drawing high-bandwidth optical waveguides | Expired / Lapsed | 1980-01-28 | 1981-02-03 | 5 | Details |
| US4248231A | Surgical cutting instrument | Expired / Lapsed | 1978-11-16 | 1981-02-03 | 7 | Details |
| US4232676A | Surgical cutting instrument | Expired / Lapsed | 1978-11-16 | 1980-11-11 | 9 | Details |
| US4231371A | Electrically heated surgical cutting instrument | Expired / Lapsed | 1978-11-16 | 1980-11-04 | 9 | Details |
| US4222631A | Multicomponent optical waveguide having index gradient | Expired / Lapsed | 1978-03-03 | 1980-09-16 | 14 | Details |
| US4219025A | Electrically heated surgical cutting instrument | Expired / Lapsed | 1978-11-16 | 1980-08-26 | 12 | Details |
| US4212663A | Reactants delivery system for optical waveguide manufacturi… | Expired / Lapsed | 1978-01-26 | 1980-07-15 | 24 | Details |
| US4200445A | Method of densifying metal oxides | Expired / Lapsed | 1978-04-10 | 1980-04-29 | 4 | Details |
| US4179185A | Coupler for optical communication system | Expired / Lapsed | 1978-02-27 | 1979-12-18 | 9 | Details |
| US4173393A | Optical waveguide with protective coating | Expired / Lapsed | 1977-06-06 | 1979-11-06 | 15 | Details |
| US4116565A | Electrophoretic analyzer with automatic reference circuit | Expired / Lapsed | 1977-05-24 | 1978-09-26 | 10 | Details |
| US4087567A | Anticoagulant coating method | Expired / Lapsed | 1977-06-10 | 1978-05-02 | 4 | Details |
| US4083625A | Optical fiber junction device | Expired / Lapsed | 1976-08-02 | 1978-04-11 | 16 | Details |
| US4072566A | Immobilized biologically active proteins | Expired / Lapsed | 1976-09-27 | 1978-02-07 | 7 | Details |
| US4072400A | Buffered optical waveguide fiber | Expired / Lapsed | 1976-06-04 | 1978-02-07 | 15 | Details |
| US4072399A | Passive optical coupler | Expired / Lapsed | 1973-07-05 | 1978-02-07 | 9 | Details |
| US4049692A | Stabilized blood separating composition | Expired / Lapsed | 1974-12-16 | 1977-09-20 | 5 | Details |
| US4046699A | Access device for centrifugal separation assemblies | Expired / Lapsed | 1976-11-01 | 1977-09-06 | 12 | Details |
| US4046870A | Assay for free thyroid hormones | Expired / Lapsed | 1976-06-30 | 1977-09-06 | 8 | Details |
| US4046545A | Method for making molded glass articles having bulk homogen… | Expired / Lapsed | 1976-05-25 | 1977-09-06 | 9 | Details |
| US4039339A | Method of preparing glazes | Expired / Lapsed | 1975-11-26 | 1977-08-02 | 9 | Details |
| US3983000A | Bonding proteins to inorganic supports | Expired / Lapsed | 1976-04-01 | 1976-09-28 | 13 | Details |
| US3983458A | Electrical device assembly and method | Expired / Lapsed | 1971-07-21 | 1976-09-28 | 34 | Details |
| US3967110A | Automatic focusing system | Expired / Lapsed | 1975-01-23 | 1976-06-29 | 7 | Details |
| US3965323A | Method and apparatus for providing uniform surface browning… | Expired / Lapsed | 1975-02-26 | 1976-06-22 | 9 | Details |
| US3961905A | Crucible and heater assembly for crystal growth from a melt | Expired / Lapsed | 1974-02-25 | 1976-06-08 | 10 | Details |
| US3951670A | Cristobalite suppression in high-silica Li2 O-Al2 O-SiO2 de… | Expired / Lapsed | 1975-02-10 | 1976-04-20 | 6 | Details |
| US3940277A | Glass-ceramics containing fibers exhibiting thermoplastic p… | Expired / Lapsed | 1974-08-01 | 1976-02-24 | 21 | Details |
| US3933453A | Flame hydrolysis mandrel and method of using | Expired / Lapsed | 1974-05-06 | 1976-01-20 | 19 | Details |
| US3934061A | Method of forming planar optical waveguides | Expired / Lapsed | 1973-07-18 | 1976-01-20 | 16 | Details |
| US3932162A | Method of making glass optical waveguide | Expired / Lapsed | 1974-06-21 | 1976-01-13 | 17 | Details |
| US3930951A | Bonding enzymes to porous inorganic carriers | Expired / Lapsed | 1974-05-28 | 1976-01-06 | 7 | Details |
| US3924032A | Surface modification of silica particles | Expired / Lapsed | 1974-01-28 | 1975-12-02 | 8 | Details |
| US3919473A | Signal correction system | Expired / Lapsed | 1974-01-02 | 1975-11-11 | 9 | Details |
| US3912364A | Mixer for optical waveguide bundle | Expired / Lapsed | 1974-04-08 | 1975-10-14 | 7 | Details |
| US3912481A | Method for making alkali metal silicate thermoplastic mater… | Expired / Lapsed | 1974-02-25 | 1975-10-14 | 26 | Details |
| US3901581A | Tapered coupler for optical communication system | Expired / Lapsed | 1973-07-05 | 1975-08-26 | 9 | Details |
| US3883223A | Coupler for optical communication system | Expired / Lapsed | 1974-04-08 | 1975-05-13 | 7 | Details |
| US3883222A | Coupler for optical communication system | Expired / Lapsed | 1973-09-07 | 1975-05-13 | 13 | Details |
| US3883852A | Image scanning converter for automated slide analyzer | Expired / Lapsed | 1973-04-20 | 1975-05-13 | 13 | Details |
| US3874780A | Coupler for optical communication system | Expired / Lapsed | 1973-07-05 | 1975-04-01 | 13 | Details |
| US3873339A | Method of forming optical waveguide circuit path | Expired / Lapsed | 1974-02-01 | 1975-03-25 | 16 | Details |
| US3859536A | Optical communication system source-detector pair | Expired / Lapsed | 1974-01-07 | 1975-01-07 | 11 | Details |
| US3859643A | Optical sensing of cylindrical magnetic domains | Expired / Lapsed | 1973-11-14 | 1975-01-07 | 13 | Details |
| US3846010A | Optical waveguide connector | Expired / Lapsed | 1973-07-05 | 1974-11-05 | 11 | Details |
| US3832028A | Coupler for optical waveguide light source | Expired / Lapsed | 1972-03-30 | 1974-08-27 | 17 | Details |
| US3826560A | Method of forming a light focusing fiber waveguide | Expired / Lapsed | 1972-03-30 | 1974-07-30 | 21 | Details |
| US3825439A | Method for forming amorphous semiconductors | Expired / Lapsed | 1972-08-16 | 1974-07-23 | 0 | Details |
| US3813173A | Defect sensing apparatus and method | Expired / Lapsed | 1972-02-22 | 1974-05-28 | 18 | Details |
| US3811853A | Degradable glass suitable for containers | Expired / Lapsed | 1972-05-01 | 1974-05-21 | 55 | Details |
| US3804647A | Porous glass supports for automotive emissions control cata… | Expired / Lapsed | 1971-12-15 | 1974-04-16 | 1 | Details |
| US3802987A | Method of joining | Expired / Lapsed | 1972-03-23 | 1974-04-09 | 13 | Details |
| US3798431A | Electronic calibration of an electro-mechanical system | Expired / Lapsed | 1972-10-04 | 1974-03-19 | 6 | Details |
| US3788827A | Ionic treatment for glass optical waveguide fibers | Expired / Lapsed | 1972-01-04 | 1974-01-29 | 0 | Details |
| US3785716A | Optical waveguide delay line | Expired / Lapsed | 1972-01-03 | 1974-01-15 | 8 | Details |
| US3784386A | Cladding glasses for photochromic optical fibers | Expired / Lapsed | 1971-02-16 | 1974-01-08 | 1 | Details |
| US3783101A | Enzymes bound to carriers having a metal oxide surface layer | Expired / Lapsed | 1972-02-17 | 1974-01-01 | 0 | Details |
| US3780295A | Light source coupler for optical waveguide | Expired / Lapsed | 1972-03-30 | 1973-12-18 | 19 | Details |
| US3763422A | Method and apparatus for electrochemical analysis of small … | Expired / Lapsed | 1971-10-21 | 1973-10-02 | 9 | Details |
| US3756688A | Metallized coupler for optical waveguide light source | Expired / Lapsed | 1972-03-30 | 1973-09-04 | 22 | Details |
| US3756690A | Optical waveguide light modulator | Expired / Lapsed | 1972-03-30 | 1973-09-04 | 18 | Details |
| US3757351A | High speed electostatic printing tube using a microchannel … | Expired / Lapsed | 1971-01-04 | 1973-09-04 | 24 | Details |
| US3748728A | Method of making granular superconductors | Expired / Lapsed | 1971-10-22 | 1973-07-31 | 4 | Details |
| US3739279A | Radio capsule oscillator circuit | Expired / Lapsed | 1971-06-30 | 1973-06-12 | 13 | Details |
| US3737293A | Method of forming an economic optical waveguide fiber | Expired / Lapsed | 1972-01-03 | 1973-06-05 | 0 | Details |
| US3711262A | Method of producing optical waveguide fibers | Expired / Lapsed | 1970-05-11 | 1973-01-16 | 0 | Details |
| US3673049A | Glass laminated bodies comprising a tensilely stressed core… | Expired / Lapsed | 1970-10-07 | 1972-06-27 | 14 | Details |
| US3666627A | Method of stabilizing enzymes | Expired / Lapsed | 1968-10-14 | 1972-05-30 | 0 | Details |
| US3661601A | Opal glass compositions | Expired / Lapsed | 1969-03-21 | 1972-05-09 | 2 | Details |
| US3659915A | Fused silica optical waveguide | Expired / Lapsed | 1970-05-11 | 1972-05-02 | 9 | Details |
| US3660291A | Magneto-optical elements and glasses | Expired / Lapsed | 1970-01-19 | 1972-05-02 | 0 | Details |
| US3653863A | Method of forming photochromic polarizing glasses | Expired / Lapsed | 1970-02-17 | 1972-04-04 | 3 | Details |
| US3649443A | Method of bonding glass to vinyl fabric | Expired / Lapsed | 1970-10-08 | 1972-03-14 | 0 | Details |
| US3633947A | Coupling | Expired / Lapsed | 1970-02-20 | 1972-01-11 | 14 | Details |
| US3607485A | Method of making glass razor blades | Expired / Lapsed | 1967-10-23 | 1971-09-21 | 3 | Details |
| US3600149A | Temperature control system for a glass tank forehearth | Expired / Lapsed | 1969-09-26 | 1971-08-17 | 0 | Details |
| US3598713A | Potassium ion sensitive electrode | Expired / Lapsed | 1969-06-03 | 1971-08-10 | 0 | Details |
| US3567505A | Reaction films on glass surfaces | Expired / Lapsed | 1968-02-26 | 1971-03-02 | 0 | Details |
| US3564328A | Ceramic articles and method of fabrication | Expired / Lapsed | 1968-07-29 | 1971-02-16 | 23 | Details |
| US3562371A | High temperature gas isostatic pressing of crystalline bodi… | Expired / Lapsed | 1968-10-16 | 1971-02-09 | 0 | Details |
| US3551196A | Electrical contact terminations for semiconductors and meth… | Expired / Lapsed | 1968-01-04 | 1970-12-29 | 0 | Details |
| US3531303A | Alkaline earth aluminosilicate glass-ceramic articles | Expired / Lapsed | 1967-05-22 | 1970-09-29 | 0 | Details |
| US3531313A | Radiation-reflecting medium | Expired / Lapsed | 1967-05-19 | 1970-09-29 | 0 | Details |
| US3519538A | Chemically coupled enzymes | Expired / Lapsed | 1968-09-05 | 1970-07-07 | 0 | Details |
| US3519445A | Al2o3-p2o5-b2o3 glass-ceramic articles and methods | Expired / Lapsed | 1967-11-06 | 1970-07-07 | 0 | Details |
| US3515170A | Constriction valve for flexible tubes | Expired / Lapsed | 1967-12-04 | 1970-06-02 | 0 | Details |
| US3514856A | Razor blade configuration | Expired / Lapsed | 1967-10-30 | 1970-06-02 | 0 | Details |
| US3490887A | Ferroelectric glass-ceramics | Expired / Lapsed | 1966-03-30 | 1970-01-20 | 0 | Details |
| US3485033A | Electronic timepiece having light beam adjustment means | Expired / Lapsed | 1968-03-19 | 1969-12-23 | 0 | Details |
| US3485687A | Porous high silica glass | Expired / Lapsed | 1966-07-15 | 1969-12-23 | 0 | Details |
| US3471356A | Glass and plastic laminates | Expired / Lapsed | 1964-09-18 | 1969-10-07 | 0 | Details |
| US3469602A | Timing apparatus | Expired / Lapsed | 1967-03-10 | 1969-09-30 | 0 | Details |
| US3460003A | Metallized semiconductor device with fired-on glaze consist… | Expired / Lapsed | 1967-01-30 | 1969-08-05 | 0 | Details |
| US3453887A | Temperature change measuring device | Expired / Lapsed | 1967-02-08 | 1969-07-08 | 0 | Details |
| US3445365A | Electrode with organic liquid ionexchanger retained by memb… | Expired / Lapsed | 1965-08-10 | 1969-05-20 | 0 | Details |
| US3420645A | Method for making hollow glass particle having a metallic c… | Expired / Lapsed | 1966-06-16 | 1969-01-07 | 0 | Details |
| US3419290A | Pipe coupling | Expired / Lapsed | 1965-11-17 | 1968-12-31 | 0 | Details |
| US3408430A | Method for improving the visible and infrared transmission … | Expired / Lapsed | 1965-03-17 | 1968-10-29 | 0 | Details |
| US3382137A | Laminated structures and method for preparing such structur… | Expired / Lapsed | 1964-09-18 | 1968-05-07 | 0 | Details |
| US3372017A | Automatic temperature control for glass molding process | Expired / Lapsed | 1965-01-07 | 1968-03-05 | 0 | Details |
| US3360352A | Apparatus for and method of shaping the open end of glass t… | Expired / Lapsed | 1964-08-25 | 1967-12-26 | 4 | Details |
| US3324787A | Infuser for tea leaves | Expired / Lapsed | 1965-03-04 | 1967-06-13 | 2 | Details |
| US3320044A | Method and apparatus for making ceramic or vitreous articles | Expired / Lapsed | 1964-04-29 | 1967-05-16 | 4 | Details |
| US3272686A | Structural ceramic bodies and method of making same | Expired / Lapsed | 1962-03-23 | 1966-09-13 | 1 | Details |
| US3266313A | Radiant energy measuring device and method | Expired / Lapsed | 1962-02-07 | 1966-08-16 | 2 | Details |
| US3266661A | Method of applying electro-conductive coatings and resultin… | Expired / Lapsed | 1961-10-04 | 1966-08-16 | 2 | Details |
| US3260656A | Method and apparatus for electrolytically determining a spe… | Expired / Lapsed | 1962-09-27 | 1966-07-12 | 2 | Details |
| US3246972A | Method of making ceramic article | Expired / Lapsed | 1961-08-18 | 1966-04-19 | 2 | Details |
| US3245769A | Method of introducing material into molten glass | Expired / Lapsed | 1962-10-25 | 1966-04-12 | 2 | Details |
| US3244328A | Dispensing from plural sources | Expired / Lapsed | 1964-03-23 | 1966-04-05 | 2 | Details |
| US3241935A | Bone china and method of making it | Expired / Lapsed | 1963-07-29 | 1966-03-22 | 2 | Details |
| US3239142A | Pneumatic sensing device with digital readout | Expired / Lapsed | 1963-02-28 | 1966-03-08 | 2 | Details |
| US3236620A | Glass blowing machine blowhead and article cooling tube com… | Expired / Lapsed | 1962-03-14 | 1966-02-22 | 2 | Details |
| US3233907A | Coupling for joining pipe sections of differing diameter | Expired / Lapsed | 1963-04-01 | 1966-02-08 | 2 | Details |
| US3226313A | Glass electrode and method of making the same | Expired / Lapsed | 1964-07-31 | 1965-12-28 | 2 | Details |
| US3214702A | Traveling wave laser amplifier with glass filter | Expired / Lapsed | 1964-02-10 | 1965-10-26 | 2 | Details |
| US3213751A | Prismatic light transmitting panel | Expired / Lapsed | 1959-05-13 | 1965-10-26 | 2 | Details |
| US3212798A | Flexible pipe coupling | Expired / Lapsed | 1962-02-12 | 1965-10-19 | 0 | Details |
| US3202054A | Radiation filter with plural iridized metal oxide films | Expired / Lapsed | 1959-10-16 | 1965-08-24 | 2 | Details |
| US3195030A | Glass and methods of devitrifying same and making a capacit… | Expired / Lapsed | 1964-06-26 | 1965-07-13 | 3 | Details |
| US3191004A | Electrically heated immersible warming unit | Expired / Lapsed | 1962-10-12 | 1965-06-22 | 2 | Details |
| US3190739A | Tube drawing | Expired / Lapsed | 1961-11-15 | 1965-06-22 | 2 | Details |
| US3146114A | Method of making semicrystalline ceramic bodies and the com… | Expired / Lapsed | 1959-11-23 | 1964-08-25 | 4 | Details |
| US3131459A | Method of bonding absorbing material to a delay line | Expired / Lapsed | 1959-11-09 | 1964-05-05 | 2 | Details |
| CA684672A | Material feeding and mixing | Expired / Lapsed | — | 1964-04-21 | 0 | Details |
| US3113855A | Method of increasing annealing point of high silica glass | Expired / Lapsed | 1960-06-27 | 1963-12-10 | 2 | Details |
| US3113033A | Light filter | Expired / Lapsed | 1960-05-16 | 1963-12-03 | 2 | Details |
| US3113009A | Method of making and treating a semicrystalline ceramic body | Expired / Lapsed | 1958-10-17 | 1963-12-03 | 3 | Details |
| US3112184A | Method of making ceramic articles | Expired / Lapsed | 1958-09-08 | 1963-11-26 | 2 | Details |
| US3108019A | Method of stabilizing the electrical resistance of a metal … | Expired / Lapsed | 1958-02-14 | 1963-10-22 | 2 | Details |
| US3084959A | Pipe coupling having a band clamp and resilient sleeve | Expired / Lapsed | 1959-08-05 | 1963-04-09 | 2 | Details |
| US3054221A | Opal, 96% silica glass and method of production | Expired / Lapsed | 1958-09-04 | 1962-09-18 | 1 | Details |
| US3013362A | Manufacture of semicrystalline ceramic bodies | Expired / Lapsed | 1960-03-07 | 1961-12-19 | 2 | Details |
| US2998675A | Glass body having a semicrystalline surface layer and metho… | Expired / Lapsed | 1959-07-01 | 1961-09-05 | 4 | Details |
| US2934736A | Electrical resistor | Expired / Lapsed | 1957-10-08 | 1960-04-26 | 2 | Details |
| US2920971A | Method of making ceramics and product thereof | Expired / Lapsed | 1956-06-04 | 1960-01-12 | 4 | Details |
| US2889952A | Composite article and method | Expired / Lapsed | 1956-02-01 | 1959-06-09 | 2 | Details |
| US2859948A | Heat exchanger | Expired / Lapsed | 1954-08-26 | 1958-11-11 | 0 | Details |
| US2779136A | Method of making a glass article of high mechanical strengt… | Expired / Lapsed | 1955-07-06 | 1957-01-29 | 2 | Details |
| US2743553A | Metal sealing glass and seal | Expired / Lapsed | 1951-11-26 | 1956-05-01 | 2 | Details |
| US2707850A | Method of welding aluminum to glass and article made thereby | Expired / Lapsed | 1951-04-05 | 1955-05-10 | 2 | Details |
| US2701296A | Electrically heated appliance | Expired / Lapsed | 1952-08-01 | 1955-02-01 | 0 | Details |
| US2696577A | Electrical condenser manufacture | Expired / Lapsed | 1951-01-10 | 1954-12-07 | 0 | Details |
| US2684911A | Photosensitively opacifiable glass | Expired / Lapsed | 1951-08-30 | 1954-07-27 | 2 | Details |
| US2659182A | Size control of linear bodies | Expired / Lapsed | 1947-10-23 | 1953-11-17 | 0 | Details |
| US2651146A | Method of opacifying the surface of glass articles | Expired / Lapsed | 1952-05-16 | 1953-09-08 | 2 | Details |
| US2644274A | Burn-off machine | Expired / Lapsed | 1949-05-07 | 1953-07-07 | 0 | Details |
| US2571242A | Opal glass and method of controlling fire thereof | Expired / Lapsed | 1948-07-21 | 1951-10-16 | 2 | Details |
| US2564677A | Electrically conducting coating on glass and other ceramic … | Expired / Lapsed | 1947-09-15 | 1951-08-21 | 2 | Details |
| US2564708A | Heat screen | Expired / Lapsed | 1947-09-03 | 1951-08-21 | 0 | Details |
| US2557786A | Method of coating a siliceous base | Expired / Lapsed | 1947-06-12 | 1951-06-19 | 2 | Details |
| US2528509A | Mold charging apparatus | Expired / Lapsed | 1947-03-07 | 1950-11-07 | 0 | Details |
| US2527693A | Soft glass having wide working range | Expired / Lapsed | 1946-11-20 | 1950-10-31 | 1 | Details |
| US2523265A | Ophthalmic glass | Expired / Lapsed | 1947-11-28 | 1950-09-26 | 1 | Details |
| US2522531A | Method of producing electrically conducting coatings on gla… | Expired / Lapsed | 1947-11-03 | 1950-09-19 | 2 | Details |
| US2517459A | Optical glass | Expired / Lapsed | 1946-05-27 | 1950-08-01 | 4 | Details |
| US2515942A | Photosensitive glass containing palladium | Expired / Lapsed | 1948-04-05 | 1950-07-18 | 2 | Details |
| US2515940A | Photosensitive opal glass | Expired / Lapsed | 1946-09-09 | 1950-07-18 | 1 | Details |
| US2515936A | Silver-containing photosensitive glass | Expired / Lapsed | 1943-12-08 | 1950-07-18 | 1 | Details |
| US2515938A | Photosensitive copper glass and method of making it | Expired / Lapsed | 1943-12-08 | 1950-07-18 | 1 | Details |
| US2494920A | Method of coating with organopolysiloxanes | Expired / Lapsed | 1945-07-25 | 1950-01-17 | 2 | Details |
| US2489138A | Production of siloxanes | Expired / Lapsed | 1946-02-21 | 1949-11-22 | 0 | Details |
| US2486162A | Organo-siloxanes | Expired / Lapsed | 1942-02-26 | 1949-10-25 | 0 | Details |
| US2475379A | Electric heating device | Expired / Lapsed | 1946-12-18 | 1949-07-05 | 0 | Details |
| US2467976A | Method for increasing the viscosity of liquid polymeric dim… | Expired / Lapsed | 1943-03-30 | 1949-04-19 | 0 | Details |
| US2463974A | Compositions for the preparation of heat-resistant insulati… | Expired / Lapsed | 1945-02-28 | 1949-03-08 | 0 | Details |
| US2462267A | Organo-siloxane polymers and methods of preparing them | Expired / Lapsed | 1943-04-17 | 1949-02-22 | 0 | Details |
| US2461841A | Method of making fibrous glass articles | Expired / Lapsed | 1944-01-26 | 1949-02-15 | 0 | Details |
| US2460795A | Method for making rubbery polymeric organo-siloxane composi… | Expired / Lapsed | 1944-10-03 | 1949-02-01 | 0 | Details |
| US2455999A | Method of preparing organosilicones | Expired / Lapsed | 1944-08-01 | 1948-12-14 | 0 | Details |
| US2452254A | Liquid polymeric dimethyl silicones | Expired / Lapsed | 1945-04-02 | 1948-10-26 | 0 | Details |
| US2443353A | Production of organosiloxanes | Expired / Lapsed | 1946-02-21 | 1948-06-15 | 0 | Details |
| US2438478A | Method of preparing silicones and product thereof | Expired / Lapsed | 1942-02-26 | 1948-03-23 | 0 | Details |
| US2438055A | Preparation of salts of monoorgano silanols | Expired / Lapsed | 1947-01-10 | 1948-03-16 | 0 | Details |
| US2437204A | Sulfuric acid polymerization of diorganosiloxanes | Expired / Lapsed | 1943-03-30 | 1948-03-02 | 0 | Details |
| US2435147A | Organo-silicon polymers and methods of preparing them | Expired / Lapsed | 1943-03-30 | 1948-01-27 | 0 | Details |
| US2433883A | Ophthalmic glass | Expired / Lapsed | 1946-08-19 | 1948-01-06 | 0 | Details |
| US2422472A | Glass article | Expired / Lapsed | 1942-09-10 | 1947-06-17 | 0 | Details |
| US2417898A | Alabaster glass | Expired / Lapsed | 1945-04-30 | 1947-03-25 | 0 | Details |
| US2397727A | Organo-siloxanes and methods of making them | Expired / Lapsed | 1943-03-30 | 1946-04-02 | 0 | Details |
| US2393448A | Lead glass having low power factor | Expired / Lapsed | 1944-07-11 | 1946-01-22 | 0 | Details |
| US2390370A | Manufacture of glass yarn | Expired / Lapsed | 1943-10-11 | 1945-12-04 | 0 | Details |
| US2390354A | Method of molding glass | Expired / Lapsed | 1942-11-06 | 1945-12-04 | 0 | Details |
| US2389360A | Double glazed window and method of manufacture | Expired / Lapsed | 1942-04-07 | 1945-11-20 | 0 | Details |
| US2386441A | Bis-trimethylsilicyl oxide and its preparation | Expired / Lapsed | 1943-09-01 | 1945-10-09 | 0 | Details |
| US2386452A | Organo silicon compounds and method of making them | Expired / Lapsed | 1942-09-25 | 1945-10-09 | 0 | Details |
| US2386466A | Insulated conductor and insulation therefor | Expired / Lapsed | 1940-02-10 | 1945-10-09 | 0 | Details |
| US2384384A | Polymeric silicone and methods of making it | Expired / Lapsed | 1942-02-26 | 1945-09-04 | 0 | Details |
| US2382082A | Methyl silicon polymers and method of preparation | Expired / Lapsed | 1943-07-26 | 1945-08-14 | 0 | Details |
| US2377689A | Dielectric composition | Expired / Lapsed | 1943-05-17 | 1945-06-05 | 0 | Details |
| US2377494A | Apparatus for drawing glass tubing | Expired / Lapsed | 1941-05-07 | 1945-06-05 | 0 | Details |
| US2371050A | Organo-silicon polymers and method of making them | Expired / Lapsed | 1940-08-19 | 1945-03-06 | 0 | Details |
| US2355746A | Method of making high silica glass | Expired / Lapsed | 1943-05-29 | 1944-08-15 | 0 | Details |
| US2355597A | Glass article handling apparatus | Expired / Lapsed | 1940-05-18 | 1944-08-08 | 0 | Details |
| US2315329A | Method of making composite glass articles | Expired / Lapsed | 1940-04-25 | 1943-03-30 | 0 | Details |
| US2315328A | High silica glass article | Expired / Lapsed | 1938-11-04 | 1943-03-30 | 0 | Details |
| US2311846A | Tempering glass | Expired / Lapsed | 1940-09-05 | 1943-02-23 | 0 | Details |
| US2303756A | High silica glass | Expired / Lapsed | 1938-11-04 | 1942-12-01 | 0 | Details |
| US2299552A | Composition for use in mortar bonding glass and the like ar… | Expired / Lapsed | 1939-08-04 | 1942-10-20 | 0 | Details |
| US2290050A | Method of assembling lamp stem parts | Expired / Lapsed | 1939-01-19 | 1942-07-14 | 0 | Details |
| US2272342A | Method of making a transparent article of silica | Expired / Lapsed | 1934-08-27 | 1942-02-10 | 0 | Details |
| US2251726A | Method of manufacture of foliated glass | Expired / Lapsed | 1937-05-25 | 1941-08-05 | 0 | Details |
| US2244777A | Refractory product and method of making the same | Expired / Lapsed | 1937-06-17 | 1941-06-10 | 0 | Details |
| US2239551A | Method of making sealing glasses and seals for quartz lamps | Expired / Lapsed | 1939-04-22 | 1941-04-22 | 0 | Details |
| US2232465A | Grit coated glass block | Expired / Lapsed | 1939-08-18 | 1941-02-18 | 0 | Details |
| US2221709A | Borosilicate glass | Expired / Lapsed | 1938-01-29 | 1940-11-12 | 0 | Details |
| US2215048A | Mortar-bonded glass and the like structure | Expired / Lapsed | 1939-04-18 | 1940-09-17 | 0 | Details |
| US2215041A | Heating and reshaping glass articles | Expired / Lapsed | 1938-12-07 | 1940-09-17 | 0 | Details |
| US2215039A | Method of treating borosilicate glasses | Expired / Lapsed | 1934-09-20 | 1940-09-17 | 0 | Details |
| US2212162A | Method of making glass coated articles | Expired / Lapsed | 1938-01-06 | 1940-08-20 | 0 | Details |
| US2188121A | Making articles of fused silica | Expired / Lapsed | 1936-12-11 | 1940-01-23 | 0 | Details |
| US2154574A | Ground glass joint | Expired / Lapsed | 1938-05-24 | 1939-04-18 | 0 | Details |
| US2132390A | Diffusing glasses | Expired / Lapsed | 1935-07-03 | 1938-10-11 | 0 | Details |
| US2118795A | Insulator | Expired / Lapsed | 1931-09-21 | 1938-05-24 | 0 | Details |
| US2112241A | Joining glass blocks | Expired / Lapsed | 1937-04-22 | 1938-03-29 | 0 | Details |
| US2106744A | Treated borosilicate glass | Expired / Lapsed | 1934-03-19 | 1938-02-01 | 0 | Details |
| US2106527A | Refractory for contacting molten glass | Expired / Lapsed | 1936-06-27 | 1938-01-25 | 0 | Details |
| US2103598A | Metallizing composition for glass | Expired / Lapsed | 1935-11-21 | 1937-12-28 | 0 | Details |
| US2088262A | Spectacles for under water use | Expired / Lapsed | 1935-02-07 | 1937-07-27 | 0 | Details |
| US2085277A | Glass closure for metal containers | Expired / Lapsed | 1935-11-21 | 1937-06-29 | 0 | Details |
| US2075477A | Glass closure for metal containers and method of making it | Expired / Lapsed | 1935-02-11 | 1937-03-30 | 0 | Details |
| US2075446A | Colored glass article and method and means for making it | Expired / Lapsed | 1934-10-13 | 1937-03-30 | 0 | Details |
| US2052229A | Joining or cementing glass building units | Expired / Lapsed | 1934-05-21 | 1936-08-25 | 0 | Details |
| US2034603A | Signal lens | Expired / Lapsed | 1934-02-05 | 1936-03-17 | 0 | Details |
| US2026086A | Blue coated ceramic article and method and means for produc… | Expired / Lapsed | 1933-03-27 | 1935-12-31 | 0 | Details |
| US2009763A | Fining heat absorbing reduced glass | Expired / Lapsed | 1932-07-30 | 1935-07-30 | 0 | Details |
| US1964322A | Electrically conducting coating on vitreous substances and … | Expired / Lapsed | 1930-11-07 | 1934-06-26 | 0 | Details |
| US1892126A | Method of and means for working glass | Expired / Lapsed | 1929-11-30 | 1932-12-27 | 0 | Details |
| US1850559A | Vacuum tube and mounting | Expired / Lapsed | 1928-04-21 | 1932-03-22 | 0 | Details |
| FR673437A | Process for producing heat-absorbing glasses and compositio… | Expired / Lapsed | 1929-04-16 | 1930-01-15 | 0 | Details |
| US1728350A | Refractory product and method of making the same | Expired / Lapsed | 1923-06-08 | 1929-09-17 | 0 | Details |
| US1721979A | Glass | Expired / Lapsed | 1926-07-21 | 1929-07-23 | 0 | Details |
| US1531415A | Mold | Expired / Lapsed | 1922-11-22 | 1925-03-31 | 0 | Details |
| US1414715A | Glass | Expired / Lapsed | 1920-12-15 | 1922-05-02 | 0 | Details |
| US1333303A | Condenser | Expired / Lapsed | 1918-08-27 | 1920-03-09 | 0 | Details |
| US1292147A | Glass and batch therefor. | Expired / Lapsed | 1918-06-25 | 1919-01-21 | 0 | Details |
| US1199603A | Glassware. | Expired / Lapsed | 1915-09-08 | 1916-09-26 | 0 | Details |
| US1151911A | Glass. | Expired / Lapsed | 1913-10-27 | 1915-08-31 | 0 | Details |