Inventor · disambiguated record
Hermann Zierhut
Also filed as: ZIERHUT HERMANN
24 granted patents·454 citations·filing 1982–1998
96Inventor score
Top patents by PatentIndex Score
24 records- 0192US4795905ACircuit layout for an infrared room surveillance detectorHIRSCHMANN RADIOTECHNIK·Filed 1986·Granted Jan 3, 1989·91 cites·9 claims
- 0291US5020154ATransmission linkSIEMENS AG·Filed 1990·Granted May 28, 1991·105 cites·18 claims
- 0376US6046516AElectronic switch for use with inductive loadsSIEMENS AG·Filed 1994·Granted Apr 4, 2000·27 cites·8 claims
- 0472US4479056AMotion detector for space surveillanceHIRSCHMANN RADIOTECHNIK·Filed 1982·Granted Oct 23, 1984·30 cites·13 claims
- 0571US6049447ACurrent limiting deviceSIEMENS AG·Filed 1998·Granted Apr 11, 2000·30 cites·19 claims
- 0670US5808327AAC controllerSIEMENS AG·Filed 1993·Granted Sep 15, 1998·22 cites·4 claims
- 0769US4645930AMotion detectorHIRSCHMANN RADIOTECHNIK·Filed 1984·Granted Feb 24, 1987·24 cites·11 claims
- 0867US5081440ABus couplerSIEMENS AG·Filed 1989·Granted Jan 14, 1992·30 cites·3 claims
- 0955US5999387ACurrent limiting deviceSIEMENS AG·Filed 1993·Granted Dec 7, 1999·14 cites·28 claims
- 1047US4529874AMotion detector for space surveillanceHIRSCHMANN RADIOTECHNIK·Filed 1984·Granted Jul 16, 1985·12 cites·3 claims
- 1144US4827133AInfrared space surveillance detector circuitHIRSCHMANN RADIOTECHNIK·Filed 1986·Granted May 2, 1989·11 cites·31 claims
- 1241US4625113AMotion detector having sensing means which determine the shape of the field of sensitivityHIRSCHMANN RADIOTECHNIK·Filed 1985·Granted Nov 25, 1986·7 cites·18 claims
- 1339US5153448AInformation separation deviceSIEMENS AG·Filed 1990·Granted Oct 6, 1992·10 cites·8 claims
- 1438US4670655AAlarm apparatus for spatial surveillanceHIRSCHMANN RADIOTECHNIK·Filed 1985·Granted Jun 2, 1987·6 cites·23 claims
- 1535US4702449ACardan ball suspension for motion sensorHIRSCHMANN RADIOTECHNIK·Filed 1986·Granted Oct 27, 1987·6 cites·12 claims
- 1634US5801583ACoilless bus coupler for an on-board power supplySIEMENS AG·Filed 1995·Granted Sep 1, 1998·5 cites·6 claims
- 1733US6445239B1Bus coupling with amplitude-controlled transmission circuitSIEMENS AG·Filed 1997·Granted Sep 3, 2002·5 cites·10 claims
- 1832US6172515B1Bus coupler with transformer-free transmissionSIEMENS AG·Filed 1997·Granted Jan 9, 2001·3 cites·6 claims
- 1931US5621344ACircuit arrangement for coupling a first electric signal into a second electric signalSIEMENS AG·Filed 1991·Granted Apr 15, 1997·3 cites·3 claims
- 2031US5459429ADrive for a symmetrical bipolar transistorSIEMENS AG·Filed 1993·Granted Oct 17, 1995·1 cites·6 claims
- 2131US5019730AInformation separation deviceSIEMENS AG·Filed 1990·Granted May 28, 1991·4 cites·6 claims
- 2230US5943366AMethod of generating A.C. information for a bus system, and transmission unit for carrying out the methodSIEMENS AG·Filed 1996·Granted Aug 24, 1999·1 cites·5 claims
- 2328US5880506ASolid-state switching element with two source electrodes and solid-state switch with such an elementSIEMENS AG·Filed 1994·Granted Mar 9, 1999·2 cites·9 claims
- 2428US5546419ABus couplerSIEMENS AKTIENGESELLSCHUFT·Filed 1991·Granted Aug 13, 1996·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →