Inventor · disambiguated record
Herbert Freitag
Also filed as: FREITAG HERBERT
23 granted patents·721 citations·filing 1975–1989
97Inventor score
Top patents by PatentIndex Score
23 records- 0197US4166612AGas spring with means for impeding piston movement away from one terminal positionSTABILUS GMBH·Filed 1977·Granted Sep 4, 1979·93 cites·7 claims
- 0293US4595182AConstruction assemblySTABILUS GMBH·Filed 1984·Granted Jun 17, 1986·64 cites·5 claims
- 0391US4307875ASelf-blocking gas spring released by external forceSTABILUS GMBH·Filed 1979·Granted Dec 29, 1981·58 cites·5 claims
- 0491US4072288AChair with pneumatically adjustable seat height and back support inclinationSTABILUS GMBH·Filed 1976·Granted Feb 7, 1978·67 cites·17 claims
- 0584US4756496AContinuously adjustable levelling columnSTABILUS GMBH·Filed 1985·Granted Jul 12, 1988·71 cites·20 claims
- 0682US4467899ACylinder-piston deviceSTABILUS GMBH·Filed 1983·Granted Aug 28, 1984·33 cites·13 claims
- 0778US3995842APneumatic spring with safety releaseSTABILUS GMBH·Filed 1975·Granted Dec 7, 1976·36 cites·6 claims
- 0875US4709790AContinuously adjustable length adjustment deviceSTABILUS GMBH·Filed 1985·Granted Dec 1, 1987·31 cites·18 claims
- 0975US4030716APneumatic suspension elementSTABILUS GMBH·Filed 1975·Granted Jun 21, 1977·33 cites·5 claims
- 1072US4944498AGas springSTABILUS GMBH·Filed 1988·Granted Jul 31, 1990·30 cites·30 claims
- 1171US4323224AGas spring with means for impeding piston movement away from one terminal positionSTABILUS GMBH·Filed 1979·Granted Apr 6, 1982·24 cites·18 claims
- 1269US4779845AGas spring for motor vehicle with retaining drive for preventing piston rod return toward its operational, outermost position after accidentDAIMLER BENZ AG·Filed 1983·Granted Oct 25, 1988·25 cites·20 claims
- 1365US4263488APneumatic spring including an electric switchSTABILUS GMBH·Filed 1979·Granted Apr 21, 1981·23 cites·22 claims
- 1463US4316098AGas spring arrangement operating as an electrical connectionSTABILUS GMBH·Filed 1978·Granted Feb 16, 1982·18 cites·21 claims
- 1562US4310148ACylinder-and-piston deviceSTABILUS GMBH·Filed 1979·Granted Jan 12, 1982·20 cites·20 claims
- 1659US4651979ATemperature-compensated gas springSTABILUS GMBH·Filed 1985·Granted Mar 24, 1987·21 cites·15 claims
- 1759US4466514ACylinder-piston deviceSTABILUS GMBH·Filed 1983·Granted Aug 21, 1984·16 cites·16 claims
- 1856US4281884AElectrically conductive pneumatic springSTABILUS GMBH·Filed 1979·Granted Aug 4, 1981·15 cites·34 claims
- 1948US3930565AColumn of adjustable heightSTABILUS GMBH·Filed 1975·Granted Jan 6, 1976·16 cites·15 claims
- 2044US4867317APositioning deviceSTABILUS GMBH·Filed 1988·Granted Sep 19, 1989·14 cites·52 claims
- 2136US4400600AGas spring arrangement operating as an electrical connectionSTABILUS GMBH·Filed 1980·Granted Aug 23, 1983·6 cites·16 claims
- 2235US4098302AMethod of charging pneumatic suspension elementSTABILUS GMBH·Filed 1977·Granted Jul 4, 1978·4 cites·3 claims
- 2331US5048647AContainer piston rod unitSTABILUS GMBH·Filed 1989·Granted Sep 17, 1991·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →