Assignee
HARTMANN & BRAUN AG
DE·57 granted patents·802 citations·filing 1974–1996
Top patents by PatentIndex Score
57 records- 0185US4581701AMonitoring plural process control stationsHARTMANN & BRAUN AG·Filed 1983·Granted Apr 8, 1986·70 cites·8 claims
- 0280US4287764AFluid analyzer construction and housingHARTMANN & BRAUN AG·Filed 1980·Granted Sep 8, 1981·45 cites·10 claims
- 0379US5218422AInterferometric analyzer for multiple substance detectionHARTMANN & BRAUN AG·Filed 1990·Granted Jun 8, 1993·58 cites·12 claims
- 0479US4902138AMeasuring component concentration in a gas blendHARTMANN & BRAUN AG·Filed 1988·Granted Feb 20, 1990·63 cites·9 claims
- 0577US5357340AMethod for spectroscopy using two Fabry-Perot interference filtersHARTMANN & BRAUN AG·Filed 1990·Granted Oct 18, 1994·54 cites·1 claims
- 0677US4176963ADevice for determining the nitrogen oxide concentration in a gaseous mixtureHARTMANN & BRAUN AG·Filed 1976·Granted Dec 4, 1979·31 cites·5 claims
- 0769US5292666AMethod for the measurement of the total content of organic carbon and nitrogen in waterHARTMANN & BRAUN AG·Filed 1992·Granted Mar 8, 1994·27 cites·13 claims
- 0864US4281248ANondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1980·Granted Jul 28, 1981·21 cites·5 claims
- 0963US5340542AApparatus for the measurement of the total content of organic carbon and nitrogen in waterHARTMANN & BRAUN AG·Filed 1993·Granted Aug 23, 1994·21 cites·7 claims
- 1062US5077469ACalibrating a nondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1990·Granted Dec 31, 1991·32 cites·2 claims
- 1159US4102648AMeasuring non-methane hydrocarbon contents in gasesHARTMANN & BRAUN AG·Filed 1977·Granted Jul 25, 1978·17 cites·5 claims
- 1258US4578618ALow-pressure, hollow cathode lampHARTMANN & BRAUN AG·Filed 1980·Granted Mar 25, 1986·9 cites·3 claims
- 1358US4035734ANoise suppression in measuring signalsHARTMANN & BRAUN AG·Filed 1975·Granted Jul 12, 1977·18 cites·2 claims
- 1458US3937962ACorrection of two beam photometer for fluid analysisHARTMANN & BRAUN AG·Filed 1974·Granted Feb 10, 1976·12 cites·8 claims
- 1556US4288693ANondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1979·Granted Sep 8, 1981·14 cites·6 claims
- 1655US4435849AOptical transmission systemHARTMANN & BRAUN AG·Filed 1981·Granted Mar 6, 1984·27 cites·14 claims
- 1754US4999013AControllable interferometerHARTMANN & BRAUN AG·Filed 1989·Granted Mar 12, 1991·16 cites·12 claims
- 1854US4220415AConstruction for photometric analyzerHARTMANN & BRAUN AG·Filed 1978·Granted Sep 2, 1980·14 cites·4 claims
- 1952US3994588ADetection of angular deflectionHARTMANN & BRAUN AG·Filed 1975·Granted Nov 30, 1976·15 cites·2 claims
- 2051US4170733AMonitoring nuclear radiation measuring channelsHARTMANN & BRAUN AG·Filed 1977·Granted Oct 9, 1979·8 cites·7 claims
- 2150US4180732ANondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1978·Granted Dec 25, 1979·11 cites·6 claims
- 2247US4496840ANondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1981·Granted Jan 29, 1985·11 cites·9 claims
- 2346US4682031AInfrared gas analyzerHARTMANN & BRAUN AG·Filed 1986·Granted Jul 21, 1987·11 cites·3 claims
- 2445US4410854AFlame ionization detectorHARTMANN & BRAUN AG·Filed 1981·Granted Oct 18, 1983·15 cites·7 claims
- 2545US4373137ARadiation detection and receiving in nondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1980·Granted Feb 8, 1983·11 cites·3 claims
- 2645US3970387ANondispersion, two beam, infrared gas analyzerHARTMANN & BRAUN AG·Filed 1975·Granted Jul 20, 1976·10 cites·4 claims
- 2744US4032856ADrift compensated amplifier, particularly for measuring signalsHARTMANN & BRAUN AG·Filed 1975·Granted Jun 28, 1977·9 cites·13 claims
- 2843US5394058AGas discharge lamp having a water vapor enriched fillHARTMANN & BRAUN AG·Filed 1992·Granted Feb 28, 1995·9 cites·8 claims
- 2942US5085087ASampling corrosive fluidHARTMANN & BRAUN AG·Filed 1990·Granted Feb 4, 1992·16 cites·1 claims
- 3040US5403452AMethod for determining gas concentrations and gas sensor with a solid electrolyteHARTMANN & BRAUN AG·Filed 1991·Granted Apr 4, 1995·12 cites·19 claims
- 3140US5059026AInterferometric device having a controllable Fabry-PerotHARTMANN & BRAUN AG·Filed 1990·Granted Oct 22, 1991·11 cites·6 claims
- 3239US5459075AApparatus for measuring the total content of organic carbon and nitrogen in waterHARTMANN & BRAUN AG·Filed 1993·Granted Oct 17, 1995·10 cites·5 claims
- 3339US4301370AFlowthrough chamber for nuclear radiation detection fluidsHARTMANN & BRAUN AG·Filed 1978·Granted Nov 17, 1981·4 cites·6 claims
- 3438US5242836AMethod and device for the treatment of a gas to be analyzedHARTMANN & BRAUN AG·Filed 1992·Granted Sep 7, 1993·9 cites·18 claims
- 3538US4156812APneumatic radiation detectorHARTMANN & BRAUN AG·Filed 1978·Granted May 29, 1979·7 cites·4 claims
- 3637US5003175ACalibration of nondispersive infrared photometerHARTMANN & BRAUN AG·Filed 1989·Granted Mar 26, 1991·9 cites·5 claims
- 3735US5764244AArrangement for positioning a pen in a recording deviceHARTMANN & BRAUN AG·Filed 1996·Granted Jun 9, 1998·6 cites·17 claims
- 3832US5163601AMaking a measuring chamberHARTMANN & BRAUN AG·Filed 1991·Granted Nov 17, 1992·3 cites·2 claims
- 3932US5138248ALoad independent current feeding circuitHARTMANN & BRAUN AG·Filed 1990·Granted Aug 11, 1992·4 cites·2 claims
- 4032US4700073APhotometerHARTMANN & BRAUN AG·Filed 1986·Granted Oct 13, 1987·3 cites·5 claims
- 4131US4326807APhotoelectric gas analyzerHARTMANN & BRAUN AG·Filed 1980·Granted Apr 27, 1982·4 cites·8 claims
- 4230US4714832APhotometerHARTMANN & BRAUN AG·Filed 1985·Granted Dec 22, 1987·1 cites·12 claims
- 4329US4312213AMeasuring cell for detecting the concentration of UF6 in H2HARTMANN & BRAUN AG·Filed 1979·Granted Jan 26, 1982·3 cites·3 claims
- 4427US5796608ASelf controllable regulator deviceHARTMANN & BRAUN AG·Filed 1996·Granted Aug 18, 1998·11 cites·9 claims
- 4527US4879245AMeasuring the concentration of two components in a gas blendHARTMANN & BRAUN AG·Filed 1985·Granted Nov 7, 1989·4 cites·3 claims
- 4627US4306153ANondispersive infrared gas analyzerHARTMANN & BRAUN AG·Filed 1980·Granted Dec 15, 1981·1 cites·9 claims
- 4727US4050015AControl of microwave generator-cavity resonator combinations for gas analyzerHARTMANN & BRAUN AG·Filed 1976·Granted Sep 20, 1977·7 cites·9 claims
- 4826US6163325AFlush-mounted multi-channel printerHARTMANN & BRAUN AG·Filed 1996·Granted Dec 19, 2000·1 cites·15 claims
- 4926US5764016AMethod for positioning a pen in a recording deviceHARTMANN & BRAUN AG·Filed 1996·Granted Jun 9, 1998·0 cites·3 claims
- 5026US3970372AMotor driven light chopperHARTMANN & BRAUN AG·Filed 1975·Granted Jul 20, 1976·2 cites·3 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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