Beckman Coulter Inc
Beckman CoActive Patents
0
Total Holdings
143
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1186123A | Physiological Monitoring System | Expired / Lapsed | 1968-07-11 | — | 0 | Details |
| US4574196A | Coil spring conveyor for positioning an external radioactiv… | Expired / Lapsed | 1984-12-10 | 1986-03-04 | 17 | Details |
| US4526470A | Stray light measurement and compensation | Expired / Lapsed | 1982-03-05 | 1985-07-02 | 17 | Details |
| US4439762A | Graphics memory expansion system | Expired / Lapsed | 1981-12-28 | 1984-03-27 | 10 | Details |
| US4387076A | Sample feeding arrangement | Expired / Lapsed | 1981-10-14 | 1983-06-07 | 11 | Details |
| US4340307A | Bichromatic spectrophotometer with wavelength reversal | Expired / Lapsed | 1980-07-07 | 1982-07-20 | 9 | Details |
| US4310243A | Spectrophotometer with photomultiplier tube dark signal com… | Expired / Lapsed | 1979-10-19 | 1982-01-12 | 9 | Details |
| US4271002A | Calcium ion-selective electrodes and membrane for use there… | Expired / Lapsed | 1979-12-26 | 1981-06-02 | 76 | Details |
| US4218197A | Combined peristaltic pump and valve flow controller | Expired / Lapsed | 1978-07-06 | 1980-08-19 | 10 | Details |
| US4181700A | Centrifuge tube sequential fractionator | Expired / Lapsed | 1978-04-03 | 1980-01-01 | 15 | Details |
| US4181855A | Method and apparatus for determining random coincidence cou… | Expired / Lapsed | 1978-01-30 | 1980-01-01 | 11 | Details |
| US4167955A | Layering a liquid sample onto centrifuge tube liquid conten… | Expired / Lapsed | 1978-06-05 | 1979-09-18 | 9 | Details |
| US4081246A | Solid phase column immunoassay procedure employing novel im… | Expired / Lapsed | 1976-05-03 | 1978-03-28 | 19 | Details |
| US3933593A | Rate sensing batch analysis method | Expired / Lapsed | 1972-08-09 | 1976-01-20 | 52 | Details |
| US3918920A | Holder for sample containers of different sizes | Expired / Lapsed | 1974-01-07 | 1975-11-11 | 7 | Details |
| US3857771A | Rate sensing batch analyzer | Expired / Lapsed | 1967-02-27 | 1974-12-31 | 20 | Details |
| US3729401A | Calcium ion measuring electrode | Expired / Lapsed | 1972-03-01 | 1973-04-24 | 0 | Details |
| US3725010A | Apparatus for automatically performing chemical processes | Expired / Lapsed | 1971-08-23 | 1973-04-03 | 0 | Details |
| US3718563A | Polarographic sensor and membrane therefor | Expired / Lapsed | 1971-02-22 | 1973-02-27 | 8 | Details |
| US3714829A | Pressure measuring system | Expired / Lapsed | 1970-06-29 | 1973-02-06 | 29 | Details |
| US3713124A | Temperature telemetering apparatus | Expired / Lapsed | 1970-07-13 | 1973-01-23 | 6 | Details |
| US3689158A | Atomic absorption analyzer compensated for background absor… | Expired / Lapsed | 1971-02-16 | 1972-09-05 | 8 | Details |
| US3661724A | Closed loop hygrometry | Expired / Lapsed | 1970-04-02 | 1972-05-09 | 24 | Details |
| US3649505A | Ammonia sensor | Expired / Lapsed | 1969-03-03 | 1972-03-14 | 0 | Details |
| US3629710A | Digitally controlled pulse generator | Expired / Lapsed | 1970-12-16 | 1971-12-21 | 13 | Details |
| US3617460A | Electrode assembly | Expired / Lapsed | 1969-12-17 | 1971-11-02 | 11 | Details |
| US3608542A | Physiological monitoring system | Expired / Lapsed | 1970-06-12 | 1971-09-28 | 51 | Details |
| US3605008A | Transducer network with current source conditioning | Expired / Lapsed | 1968-09-18 | 1971-09-14 | 10 | Details |
| US3593023A | Apparatus and method for exhaust analysis | Expired / Lapsed | 1969-03-27 | 1971-07-13 | 34 | Details |
| US3585369A | Data tape editor | Expired / Lapsed | 1968-02-13 | 1971-06-15 | 9 | Details |
| US3578960A | Radiation detection system with automatic sample counting r… | Expired / Lapsed | 1966-04-06 | 1971-05-18 | 9 | Details |
| US3575836A | Polarographic sensor | Expired / Lapsed | 1969-02-14 | 1971-04-20 | 0 | Details |
| US3575834A | Liquid junction structure for plastic electrochemical elect… | Expired / Lapsed | 1968-04-12 | 1971-04-20 | 0 | Details |
| US3562522A | Nondispersive ir analyzer and method for calibrating | Expired / Lapsed | 1968-09-18 | 1971-02-09 | 4 | Details |
| US3559193A | Common mode signal detection | Expired / Lapsed | 1967-11-20 | 1971-01-26 | 0 | Details |
| US3556083A | Apparatus for measurement of electrodermal phenomena | Expired / Lapsed | 1968-05-02 | 1971-01-19 | 8 | Details |
| US3518179A | Temperature compensated electrochemical cell | Expired / Lapsed | 1968-03-11 | 1970-06-30 | 0 | Details |
| US3512517A | Polarographic method and apparatus for monitoring blood glu… | Expired / Lapsed | 1964-11-30 | 1970-05-19 | 0 | Details |
| US3508537A | Method and apparatus for automatic blood pressure monitoring | Expired / Lapsed | 1965-04-20 | 1970-04-28 | 0 | Details |
| US3498905A | Continuous flow electrophoresis apparatus | Expired / Lapsed | 1966-02-21 | 1970-03-03 | 0 | Details |
| US3497302A | Ratio recording spectrophotometer | Expired / Lapsed | 1966-05-11 | 1970-02-24 | 0 | Details |
| US3483990A | Dialyzer apparatus | Expired / Lapsed | 1967-03-06 | 1969-12-16 | 0 | Details |
| US3479255A | Electrochemical transducer | Expired / Lapsed | 1964-01-27 | 1969-11-18 | 0 | Details |
| US3476672A | Electrode assembly | Expired / Lapsed | 1966-07-01 | 1969-11-04 | 0 | Details |
| US3462609A | Radiation sensitive nuclei detector for solutions | Expired / Lapsed | 1966-12-22 | 1969-08-19 | 0 | Details |
| US3460880A | Point illumination and scanning mechanism for microscopes | Expired / Lapsed | 1964-12-18 | 1969-08-12 | 0 | Details |
| US3457493A | Multiple constant current supply | Expired / Lapsed | 1966-01-25 | 1969-07-22 | 0 | Details |
| US3453554A | High performance circuit instrumentation amplifier with hig… | Expired / Lapsed | 1968-08-05 | 1969-07-01 | 0 | Details |
| US3443747A | Fluid coupling for continuous flow centrifuge | Expired / Lapsed | 1966-10-14 | 1969-05-13 | 0 | Details |
| US3443433A | Flowmeter | Expired / Lapsed | 1965-06-28 | 1969-05-13 | 0 | Details |
| US3434953A | Electrochemical electrode assembly | Expired / Lapsed | 1966-06-28 | 1969-03-25 | 2 | Details |
| US3430041A | Far ultraviolet non-dispersive analyzer utilizing resonant … | Expired / Lapsed | 1965-03-17 | 1969-02-25 | 0 | Details |
| US3428547A | Antiserum applicator used in immunoelectrophoresis | Expired / Lapsed | 1965-07-02 | 1969-02-18 | 0 | Details |
| US3418080A | Sample transport system | Expired / Lapsed | 1964-10-26 | 1968-12-24 | 0 | Details |
| US3406367A | Housing construction for variable resistance device | Expired / Lapsed | 1966-11-14 | 1968-10-15 | 0 | Details |
| US3403338A | Electronic frequency measuring and spectrum analyzing appar… | Expired / Lapsed | 1967-03-16 | 1968-09-24 | 0 | Details |
| US3402604A | Flowmeter | Expired / Lapsed | 1965-06-28 | 1968-09-24 | 0 | Details |
| US3396331A | Method of and apparatus for measuring the electrical conduc… | Expired / Lapsed | 1965-08-19 | 1968-08-06 | 0 | Details |
| US3391597A | Centrifuge apparatus having a two sector sample holder | Expired / Lapsed | 1963-09-30 | 1968-07-09 | 0 | Details |
| US3389402A | Front-loading heated stylus recorder | Expired / Lapsed | 1967-03-14 | 1968-06-18 | 0 | Details |
| US3382430A | Double bridge apparatus for determining electrolytic conduc… | Expired / Lapsed | 1965-07-26 | 1968-05-07 | 1 | Details |
| US3380929A | Standard gas solution | Expired / Lapsed | 1965-04-27 | 1968-04-30 | 0 | Details |
| US3373273A | Analog function generator including means for multivariable… | Expired / Lapsed | 1964-04-17 | 1968-03-12 | 0 | Details |
| US3369447A | Gain control for spectrophotometers | Expired / Lapsed | 1964-06-10 | 1968-02-20 | 2 | Details |
| US3363503A | Micro-volume sample cells | Expired / Lapsed | 1963-10-07 | 1968-01-16 | 0 | Details |
| US3340467A | Magnetic metal detector utilizing a magnetic bridge formed … | Expired / Lapsed | 1964-06-23 | 1967-09-05 | 2 | Details |
| US3304507A | Sample and hold system having an overall potentiometric con… | Expired / Lapsed | 1964-02-07 | 1967-02-14 | 1 | Details |
| US3297998A | List control | Expired / Lapsed | 1963-06-10 | 1967-01-10 | 2 | Details |
| US3297996A | Data processing system having external selection of multipl… | Expired / Lapsed | 1963-06-10 | 1967-01-10 | 2 | Details |
| US3297994A | Data processing system having programmable, multiple buffer… | Expired / Lapsed | 1963-06-10 | 1967-01-10 | 2 | Details |
| US3297997A | List control | Expired / Lapsed | 1963-06-10 | 1967-01-10 | 2 | Details |
| US3295515A | Electrode assembly | Expired / Lapsed | 1963-11-05 | 1967-01-03 | 2 | Details |
| US3292127A | Closed circuit resistive shielding for multiwinding transfo… | Expired / Lapsed | 1963-07-01 | 1966-12-13 | 2 | Details |
| US3289169A | Redundancy reduction memory | Expired / Lapsed | 1962-09-27 | 1966-11-29 | 2 | Details |
| US3285296A | Pipette apparatus | Expired / Lapsed | 1964-04-24 | 1966-11-15 | 2 | Details |
| US3283308A | Data processing system with autonomous input-output control | Expired / Lapsed | 1963-06-10 | 1966-11-01 | 2 | Details |
| US3278408A | Electrochemical cell | Expired / Lapsed | 1962-12-19 | 1966-10-11 | 2 | Details |
| US3275533A | Method and apparatus for automatic titration | Expired / Lapsed | 1962-11-19 | 1966-09-27 | 1 | Details |
| US3273143A | Digital-to-analog converter | Expired / Lapsed | 1964-01-24 | 1966-09-13 | 2 | Details |
| US3263554A | Cuvette with means for controlled volumetric displacement | Expired / Lapsed | 1961-12-26 | 1966-08-02 | 2 | Details |
| US3249925A | Sample and hold system | Expired / Lapsed | 1961-11-28 | 1966-05-03 | 1 | Details |
| US3249690A | Video quantizer producing binary output signals at inflecti… | Expired / Lapsed | 1961-11-13 | 1966-05-03 | 2 | Details |
| US3248569A | Amplifier passive nonlinear feedback voltage limiting netwo… | Expired / Lapsed | 1963-06-26 | 1966-04-26 | 2 | Details |
| US3235849A | Large capacity sequential buffer | Expired / Lapsed | 1962-04-19 | 1966-02-15 | 2 | Details |
| US3230887A | Even flow apparatus and method for fluid gradient engines a… | Expired / Lapsed | 1962-10-29 | 1966-01-25 | 2 | Details |
| US3228023A | Digitally controlled amplifier | Expired / Lapsed | 1962-06-14 | 1966-01-04 | 2 | Details |
| US3228021A | Position indicating system | Expired / Lapsed | 1961-05-05 | 1966-01-04 | 2 | Details |
| US3225213A | Transition detector | Expired / Lapsed | 1962-05-18 | 1965-12-21 | 2 | Details |
| US3223609A | Hygrometer | Expired / Lapsed | 1961-10-30 | 1965-12-14 | 2 | Details |
| US3219556A | Ion measurement apparatus and method | Expired / Lapsed | 1961-12-26 | 1965-11-23 | 1 | Details |
| US3217293A | Digital comparator | Expired / Lapsed | 1961-06-30 | 1965-11-09 | 2 | Details |
| US3206982A | Fluid sampling device | Expired / Lapsed | 1962-12-18 | 1965-09-21 | 2 | Details |
| US3201994A | Fluid sampling device | Expired / Lapsed | 1963-02-06 | 1965-08-24 | 2 | Details |
| US3200010A | Electrical resistance element | Expired / Lapsed | 1961-12-11 | 1965-08-10 | 2 | Details |
| US3195809A | Continuous flow centrifuge having a rotary face seal | Expired / Lapsed | 1962-03-27 | 1965-07-20 | 0 | Details |
| US3192478A | Bidirectional counter adapted for receiving plural simultan… | Expired / Lapsed | 1962-10-26 | 1965-06-29 | 2 | Details |
| US3188285A | Electrode assembly | Expired / Lapsed | 1961-09-26 | 1965-06-08 | 2 | Details |
| US3174478A | Linear integrating cardiotachometer | Expired / Lapsed | 1962-03-29 | 1965-03-23 | 2 | Details |
| US3168124A | Fraction collector | Expired / Lapsed | 1961-11-13 | 1965-02-02 | 2 | Details |
| US3164663A | Probe for colorimetric measurement | Expired / Lapsed | 1960-10-27 | 1965-01-05 | 0 | Details |
| US3159737A | Temperature controller | Expired / Lapsed | 1962-05-17 | 1964-12-01 | 2 | Details |
| US3147081A | Technique in blood testing | Expired / Lapsed | 1961-02-27 | 1964-09-01 | 2 | Details |
| US3141153A | Immediate sequential access memory | Expired / Lapsed | 1961-10-20 | 1964-07-14 | 1 | Details |
| US3130373A | Potential difference negative feedback amplifier | Expired / Lapsed | 1959-04-27 | 1964-04-21 | 1 | Details |
| US3128716A | Peristaltic pump | Expired / Lapsed | 1961-07-17 | 1964-04-14 | 2 | Details |
| US3129174A | Continuous flow type centrifuge and fluid temperature contr… | Expired / Lapsed | 1960-09-30 | 1964-04-14 | 1 | Details |
| US3114609A | Method and apparatus for mercaptan analysis | Expired / Lapsed | 1960-11-07 | 1963-12-17 | 2 | Details |
| US3114020A | High resolution digital position transducer including a mag… | Expired / Lapsed | 1961-05-05 | 1963-12-10 | 2 | Details |
| US3105147A | Monobeam infrared gas analyzer with means to control the ph… | Expired / Lapsed | 1961-04-03 | 1963-09-24 | 2 | Details |
| US3104661A | System for continuous blood pressure determination | Expired / Lapsed | 1959-12-14 | 1963-09-24 | 2 | Details |
| US3098813A | Electrode | Expired / Lapsed | 1959-02-06 | 1963-07-23 | 2 | Details |
| US3070539A | Ionic transducer | Expired / Lapsed | 1960-01-25 | 1962-12-25 | 2 | Details |
| US3068450A | Alarm switching circuit | Expired / Lapsed | 1958-10-13 | 1962-12-11 | 0 | Details |
| US3067940A | Method of and apparatus for taking roots | Expired / Lapsed | 1958-08-11 | 1962-12-11 | 0 | Details |
| US3062037A | Temperature regulator for chromatographs | Expired / Lapsed | 1957-04-22 | 1962-11-06 | 0 | Details |
| US3058068A | Clamping circuit for feedback amplifiers | Expired / Lapsed | 1958-08-11 | 1962-10-09 | 0 | Details |
| US3050239A | Centrifuge apparatus | Expired / Lapsed | 1959-11-20 | 1962-08-21 | 0 | Details |
| US3049118A | Ion electrode assembly | Expired / Lapsed | 1961-02-03 | 1962-08-14 | 0 | Details |
| US3042820A | Servo motor with adjustable velocity damp | Expired / Lapsed | 1958-04-16 | 1962-07-03 | 0 | Details |
| US3027079A | Data handling system | Expired / Lapsed | 1957-03-04 | 1962-03-27 | 0 | Details |
| US2988275A | Preset counter apparatus | Expired / Lapsed | 1954-01-25 | 1961-06-13 | 0 | Details |
| US2963595A | Relay switching circuit | Expired / Lapsed | 1958-11-10 | 1960-12-06 | 0 | Details |
| US2950996A | Electrical resistance material and method of making same | Expired / Lapsed | 1957-12-05 | 1960-08-30 | 2 | Details |
| US2950995A | Electrical resistance element | Expired / Lapsed | 1957-03-18 | 1960-08-30 | 1 | Details |
| US2949765A | Measuring circuit for fluid analyzers | Expired / Lapsed | 1957-05-14 | 1960-08-23 | 0 | Details |
| US2950176A | Method for liquid analysis | Expired / Lapsed | 1955-08-15 | 1960-08-23 | 2 | Details |
| US2948185A | Spectrophotometric system | Expired / Lapsed | 1958-02-24 | 1960-08-09 | 0 | Details |
| US2943028A | Method of oxygen analysis | Expired / Lapsed | 1958-10-14 | 1960-06-28 | 0 | Details |
| US2914670A | Frequency selective circuit | Expired / Lapsed | 1955-12-30 | 1959-11-24 | 0 | Details |
| US2901327A | Method for measuring traces of dissolved oxygen | Expired / Lapsed | 1955-05-23 | 1959-08-25 | 2 | Details |
| US2900601A | Direct reading frequency measuring device | Expired / Lapsed | 1952-11-17 | 1959-08-18 | 0 | Details |
| US2878992A | Centrifuge apparatus and rotor therefor | Expired / Lapsed | 1956-12-28 | 1959-03-24 | 0 | Details |
| US2869055A | Field effect transistor | Expired / Lapsed | 1957-09-20 | 1959-01-13 | 0 | Details |
| US2851220A | Transistor counting circuit | Expired / Lapsed | 1954-11-23 | 1958-09-09 | 0 | Details |
| US2843320A | Transistorized indicating decade counter | Expired / Lapsed | 1956-12-21 | 1958-07-15 | 0 | Details |
| US2802189A | Electrical panel structure | Expired / Lapsed | 1953-09-14 | 1957-08-06 | 0 | Details |
| US2770531A | Method and apparatus for automatic titration and control of… | Expired / Lapsed | 1951-03-03 | 1956-11-13 | 2 | Details |
| US2769093A | Radio frequency mass spectrometer | Expired / Lapsed | 1953-09-08 | 1956-10-30 | 0 | Details |
| US2756203A | Glass electrodes | Expired / Lapsed | 1953-03-17 | 1956-07-24 | 2 | Details |
| US2755243A | Electrochemical electrode structure | Expired / Lapsed | 1952-05-13 | 1956-07-17 | 2 | Details |
| US2698410A | Information recording and reproducing system | Expired / Lapsed | 1950-06-15 | 1954-12-28 | 0 | Details |
| US2607899A | Infrared spectrophotometer | Expired / Lapsed | 1947-01-14 | 1952-08-19 | 0 | Details |
| US2594334A | Fery-prism monochromator | Expired / Lapsed | 1949-09-24 | 1952-04-29 | 0 | Details |