Dresser Industries Inc
Dresser InActive Patents
0
Total Holdings
68
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| USD290124S | Combined point of sale register and credit card approver | Expired / Lapsed | 1984-10-05 | 1987-06-02 | 1 | Details |
| US4174113A | Bit retainer for pneumatic tools | Expired / Lapsed | 1978-05-08 | 1979-11-13 | 7 | Details |
| US3975967A | Corrosion resistant Bourdon tube | Expired / Lapsed | 1975-04-21 | 1976-08-24 | 9 | Details |
| US3938910A | Oil well pumpoff control system | Expired / Lapsed | 1974-11-01 | 1976-02-17 | 34 | Details |
| US3918843A | Oil well pumpoff control system utilizing integration timer | Expired / Lapsed | 1974-03-20 | 1975-11-11 | 18 | Details |
| US3854846A | Oil well pumpoff control system utilizing integration timer | Expired / Lapsed | 1973-06-01 | 1974-12-17 | 17 | Details |
| US3825366A | Assembly for centrifugal blowers and the like | Expired / Lapsed | 1972-07-31 | 1974-07-23 | 3 | Details |
| US3807232A | Explosion proof gauge transducer | Expired / Lapsed | 1972-08-23 | 1974-04-30 | 10 | Details |
| US3776315A | Pendulum light sensor | Expired / Lapsed | 1971-12-17 | 1973-12-04 | 16 | Details |
| US3623696A | Eccentric, sealless, rotary valve for flow control | Expired / Lapsed | 1969-12-30 | 1971-11-30 | 12 | Details |
| US3566970A | Method of injecting treating liquids into well tubing | Expired / Lapsed | 1969-02-13 | 1971-03-02 | 6 | Details |
| US3541852A | Electronic system for monitoring drilling conditions relati… | Expired / Lapsed | 1968-11-29 | 1970-11-24 | 0 | Details |
| US3513728A | Method for manufacturing apparatus useful in an abrasive en… | Expired / Lapsed | 1969-02-07 | 1970-05-26 | 0 | Details |
| US3487294A | Differential phase shift induction well logging system | Expired / Lapsed | 1968-01-22 | 1969-12-30 | 0 | Details |
| US3465151A | Method and apparatus for oxygen activation well logging | Expired / Lapsed | 1967-10-24 | 1969-09-02 | 0 | Details |
| US3465239A | Stabilized power supply arrangement for well logging system | Expired / Lapsed | 1965-04-20 | 1969-09-02 | 0 | Details |
| US3459038A | Apparatus for testing road surfaces and method | Expired / Lapsed | 1967-09-11 | 1969-08-05 | 0 | Details |
| US3458172A | Ball valve | Expired / Lapsed | 1966-05-26 | 1969-07-29 | 0 | Details |
| US3389403A | Laser beam recorder with means to compensate for change in … | Expired / Lapsed | 1966-09-06 | 1968-06-18 | 0 | Details |
| US3383913A | Measurement of pavement deflection | Expired / Lapsed | 1967-03-01 | 1968-05-21 | 0 | Details |
| US3379882A | Method and apparatus for neutron well logging based on the … | Expired / Lapsed | 1967-03-16 | 1968-04-23 | 1 | Details |
| US3363719A | Acoustic velocity logging method and apparatus having later… | Expired / Lapsed | 1965-12-23 | 1968-01-16 | 0 | Details |
| US3358506A | Temperature compensating device for fluid meters | Expired / Lapsed | 1964-08-06 | 1967-12-19 | 2 | Details |
| US3353404A | Apparatus for testing road surfaces and method | Expired / Lapsed | 1965-01-29 | 1967-11-21 | 1 | Details |
| US3337746A | Acoustic well logging with time interval multiplication | Expired / Lapsed | 1965-03-12 | 1967-08-22 | 2 | Details |
| US3313315A | Water main service valve | Expired / Lapsed | 1964-01-07 | 1967-04-11 | 2 | Details |
| US3252138A | Self-checking digital telemetering system | Expired / Lapsed | 1960-12-20 | 1966-05-17 | 2 | Details |
| US3239663A | Velocity measurement utilizing neutron activation of oxygen | Expired / Lapsed | 1961-12-04 | 1966-03-08 | 1 | Details |
| US3231184A | Liquid contact process and apparatus | Expired / Lapsed | 1963-01-07 | 1966-01-25 | 2 | Details |
| US3221253A | Peak analysis and digital conversion apparatus | Expired / Lapsed | 1961-04-17 | 1965-11-30 | 2 | Details |
| US3214587A | Radioactivity well logging apparatus utilizing a scintillat… | Expired / Lapsed | 1961-05-12 | 1965-10-26 | 2 | Details |
| US3177467A | Acoustic velocity logging system and computer | Expired / Lapsed | 1961-02-08 | 1965-04-06 | 2 | Details |
| US3148696A | Acorn valve for punching t | Expired / Lapsed | 1961-06-08 | 1964-09-15 | 0 | Details |
| US3147472A | Binary to decimal converter | Expired / Lapsed | 1960-07-19 | 1964-09-01 | 2 | Details |
| US3142205A | Lubricated tapping t | Expired / Lapsed | 1962-11-15 | 1964-07-28 | 2 | Details |
| US3131712A | Punching tee | Expired / Lapsed | 1960-05-12 | 1964-05-05 | 2 | Details |
| US3121840A | Electrical logging system with means for transmitting diffe… | Expired / Lapsed | 1959-12-30 | 1964-02-18 | 1 | Details |
| US3109101A | Photoelectric commutator with rotatably mounted plate | Expired / Lapsed | 1958-12-10 | 1963-10-29 | 2 | Details |
| US3105190A | Induction logging system utilizing surface reciprocal produ… | Expired / Lapsed | 1959-11-30 | 1963-09-24 | 2 | Details |
| US3103626A | Focus logging system with subsurface transformer sampling m… | Expired / Lapsed | 1960-01-12 | 1963-09-10 | 2 | Details |
| US3101615A | Flowmeter | Expired / Lapsed | 1960-02-02 | 1963-08-27 | 2 | Details |
| US3096477A | Electrical well logging apparatus and method in which the m… | Expired / Lapsed | 1958-12-29 | 1963-07-02 | 2 | Details |
| US3089431A | Gas lift check valve | Expired / Lapsed | 1958-02-25 | 1963-05-14 | 2 | Details |
| US3067519A | Cable stretch corrector | Expired / Lapsed | 1959-10-15 | 1962-12-11 | 0 | Details |
| US3064983A | Pipe joint | Expired / Lapsed | 1959-08-27 | 1962-11-20 | 0 | Details |
| US3045511A | Service t | Expired / Lapsed | 1959-03-18 | 1962-07-24 | 0 | Details |
| US3044042A | Apparatus for generating and employing time pulses | Expired / Lapsed | 1956-04-06 | 1962-07-10 | 0 | Details |
| US3018839A | Acoustic wave well logging system | Expired / Lapsed | 1956-09-06 | 1962-01-30 | 0 | Details |
| US2999972A | Stabilized power supply | Expired / Lapsed | 1958-03-13 | 1961-09-12 | 0 | Details |
| US2969951A | Pump valve | Expired / Lapsed | 1957-05-31 | 1961-01-31 | 0 | Details |
| US2962625A | Oscillograph deflection circuit | Expired / Lapsed | 1958-10-06 | 1960-11-29 | 0 | Details |
| US2942479A | Position indicator | Expired / Lapsed | 1959-01-14 | 1960-06-28 | 0 | Details |
| US2934695A | Means for indicating length of apparatus-suspending element… | Expired / Lapsed | 1955-04-26 | 1960-04-26 | 0 | Details |
| US2902107A | Method and apparatus for compositing seismic exploration re… | Expired / Lapsed | 1956-04-13 | 1959-09-01 | 0 | Details |
| US2901685A | Apparatus for earth borehole investigating and signaling | Expired / Lapsed | 1954-10-18 | 1959-08-25 | 0 | Details |
| US2896171A | Oscillator | Expired / Lapsed | 1958-09-30 | 1959-07-21 | 0 | Details |
| US2888636A | Signal attenuator | Expired / Lapsed | 1957-02-26 | 1959-05-26 | 0 | Details |
| US2884508A | Thin metal films and method of making same | Expired / Lapsed | 1956-10-01 | 1959-04-28 | 2 | Details |
| US2823058A | Multiple element sealing ring | Expired / Lapsed | 1952-11-17 | 1958-02-11 | 0 | Details |
| US2790652A | Insulated saddle type pipe fitting | Expired / Lapsed | 1951-07-03 | 1957-04-30 | 0 | Details |
| US2787051A | Method of installing fittings upon submerged pipe | Expired / Lapsed | 1952-09-26 | 1957-04-02 | 0 | Details |
| US2758852A | Coupling for threadless pipe with independent sealing and g… | Expired / Lapsed | 1953-01-16 | 1956-08-14 | 0 | Details |
| US2755109A | Lock coupling for pipe | Expired / Lapsed | 1953-06-15 | 1956-07-17 | 0 | Details |
| US2721091A | Gasket for pipe couplings and clamps | Expired / Lapsed | 1951-07-02 | 1955-10-18 | 0 | Details |
| US2708951A | Repair sleeve | Expired / Lapsed | 1950-08-08 | 1955-05-24 | 0 | Details |
| US2669465A | Insulating coupling | Expired / Lapsed | 1950-08-05 | 1954-02-16 | 0 | Details |
| US2610078A | Gasket for pipe joints | Expired / Lapsed | 1945-09-21 | 1952-09-09 | 0 | Details |
| US2546348A | Service head fitting | Expired / Lapsed | 1947-08-19 | 1951-03-27 | 0 | Details |