Assignee
BECKMAN IND CORP
US·17 granted patents·396 citations·filing 1983–1991
Top patents by PatentIndex Score
17 records- 0177US4618771ANon-dispersive infrared analyzer having improved infrared source and detecting assembliesBECKMAN IND CORP·Filed 1983·Granted Oct 21, 1986·34 cites·27 claims
- 0273US4575410ASolid state electrode system for measuring pHBECKMAN IND CORP·Filed 1984·Granted Mar 11, 1986·28 cites·1 claims
- 0372US4808930ATechnique of compensating for capacitive effects in conductivity measurementsBECKMAN IND CORP·Filed 1986·Granted Feb 28, 1989·31 cites·14 claims
- 0471US4742708AApparatus for electrochemical sensor calibrationBECKMAN IND CORP·Filed 1987·Granted May 10, 1988·40 cites·1 claims
- 0569US5057783AAutomatic impedance matchingBECKMAN IND CORP·Filed 1990·Granted Oct 15, 1991·29 cites·9 claims
- 0664US4741198AThermal conductivity detector assemblyBECKMAN IND CORP·Filed 1986·Granted May 3, 1988·27 cites·16 claims
- 0764US4707244ASolid state sensor elementBECKMAN IND CORP·Filed 1986·Granted Nov 17, 1987·23 cites·31 claims
- 0864US4650562AReference electrode deviceBECKMAN IND CORP·Filed 1986·Granted Mar 17, 1987·29 cites·14 claims
- 0963US4602162AMonitoring port for ultraviolet water purification systemsBECKMAN IND CORP·Filed 1985·Granted Jul 22, 1986·30 cites·21 claims
- 1058US5063353AMethod for accurate measurement of transmission line impedance by correcting gross impedance for the "dribble-up" effectBECKMAN IND CORP·Filed 1990·Granted Nov 5, 1991·25 cites·14 claims
- 1151US4691168AHigh purity water calibrating deviceBECKMAN IND CORP·Filed 1985·Granted Sep 1, 1987·18 cites·6 claims
- 1249US4655900AMethod for treating electrodes and improved electrochemical cellBECKMAN IND CORP·Filed 1986·Granted Apr 7, 1987·13 cites·14 claims
- 1344US4614846AInterlocked push button switch assemblyBECKMAN IND CORP·Filed 1985·Granted Sep 30, 1986·8 cites·11 claims
- 1443US4776942AElectrochemical sensorBECKMAN IND CORP·Filed 1987·Granted Oct 11, 1988·13 cites·10 claims
- 1537US4605984AStatic control strapBECKMAN IND CORP·Filed 1985·Granted Aug 12, 1986·37 cites·6 claims
- 1636US5084703APrecision digital-to-analog converterBECKMAN IND CORP·Filed 1991·Granted Jan 28, 1992·8 cites·9 claims
- 1732US4633164AMicroprocessor controlled constant current circuitBECKMAN IND CORP·Filed 1985·Granted Dec 30, 1986·3 cites·16 claims
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