Inventor · disambiguated record
Ulrich Drews
Also filed as: BERTSCH RICHARD · DREWS ULRICH · HORBELT MICHAEL · SCHNURLE HANS
37 granted patents·427 citations·filing 1975–1996
98Inventor score
Files withBOSCH GMBH ROBERT37
Top patents by PatentIndex Score
37 records- 0180US4244340AMethod and apparatus for controlling fuel management for an internal combustion engineBOSCH GMBH ROBERT·Filed 1978·Granted Jan 13, 1981·40 cites·42 claims
- 0278US5434763AHeadlight for motor vehiclesBOSCH GMBH ROBERT·Filed 1994·Granted Jul 18, 1995·40 cites·4 claims
- 0375US4239022AMethod and apparatus for fuel control of an internal combustion engine during cold-startingBOSCH GMBH ROBERT·Filed 1978·Granted Dec 16, 1980·20 cites·10 claims
- 0474US4531190AElectronic engine control system with emergency operation modeBOSCH GMBH ROBERT·Filed 1982·Granted Jul 23, 1985·17 cites·16 claims
- 0564US4240383AFuel metering device for an internal combustion engineBOSCH GMBH ROBERT·Filed 1979·Granted Dec 23, 1980·14 cites·10 claims
- 0664US4015563AStabilized fuel injection systemBOSCH GMBH ROBERT·Filed 1975·Granted Apr 5, 1977·16 cites·9 claims
- 0760US5892332AStarter for a high-pressure gas discharge lampBOSCH GMBH ROBERT·Filed 1996·Granted Apr 6, 1999·24 cites·10 claims
- 0860US4205635AFuel mixture control systemBOSCH GMBH ROBERT·Filed 1977·Granted Jun 3, 1980·13 cites·20 claims
- 0960US4140086AApparatus for adjusting the combustible mixture of an internal combustion engineBOSCH GMBH ROBERT·Filed 1977·Granted Feb 20, 1979·16 cites·27 claims
- 1059US4474058AAir flow rate meter for an internal combustion engineBOSCH GMBH ROBERT·Filed 1982·Granted Oct 2, 1984·16 cites·4 claims
- 1157US4345562AMethod and apparatus for regulating the fuel-air ratio in internal combustion enginesBOSCH GMBH ROBERT·Filed 1980·Granted Aug 24, 1982·12 cites·9 claims
- 1256US4278061AMethod and apparatus for adjusting fuel injection controlBOSCH GMBH ROBERT·Filed 1977·Granted Jul 14, 1981·11 cites·3 claims
- 1355US6057650AInput circuit for the starter of a high-pressure gas-filled discharge lampBOSCH GMBH ROBERT·Filed 1996·Granted May 2, 2000·19 cites·9 claims
- 1455US4058106AMethod and apparatus for RPM limitation in internal combustion enginesBOSCH GMBH ROBERT·Filed 1976·Granted Nov 15, 1977·10 cites·16 claims
- 1553US5397965ADevice for operating a gas discharge lampBOSCH GMBH ROBERT·Filed 1992·Granted Mar 14, 1995·15 cites·10 claims
- 1652US5367227ACircuit arrangement for operating a gas-discharge lampBOSCH GMBH ROBERT·Filed 1992·Granted Nov 22, 1994·14 cites·21 claims
- 1752US4150305AFrequency divider circuitsBOSCH GMBH ROBERT·Filed 1977·Granted Apr 17, 1979·7 cites·14 claims
- 1852US4089317AApparatus for mixture enrichment in an internal combustion engineBOSCH GMBH ROBERT·Filed 1976·Granted May 16, 1978·10 cites·9 claims
- 1950US4357922AMethod and apparatus for operating a fuel-supply system with lambda controlBOSCH GMBH ROBERT·Filed 1980·Granted Nov 9, 1982·11 cites·14 claims
- 2050US4084552AMethod and apparatus for fuel injection controlBOSCH GMBH ROBERT·Filed 1976·Granted Apr 18, 1978·9 cites·10 claims
- 2148US5894202AIgnition device for gas discharge lamps, particularly for motor vehicle lightsBOSCH GMBH ROBERT·Filed 1995·Granted Apr 13, 1999·13 cites·33 claims
- 2248US4420971ADevice for flowthrough rate measurement in an internal combustion engineBOSCH GMBH ROBERT·Filed 1981·Granted Dec 20, 1983·10 cites·8 claims
- 2347US4393841ADevice for regulating the fuel-air ratio in internal combustion enginesBOSCH GMBH ROBERT·Filed 1981·Granted Jul 19, 1983·12 cites·5 claims
- 2447US4249498AApparatus for correcting a fuel apportionment signal in an internal combustion engineBOSCH GMBH ROBERT·Filed 1979·Granted Feb 10, 1981·7 cites·8 claims
- 2544US4171692AFuel injection control systemBOSCH GMBH ROBERT·Filed 1976·Granted Oct 23, 1979·7 cites·13 claims
- 2643US4335696AMethod and apparatus for performing fuel mixture enrichmentBOSCH GMBH ROBERT·Filed 1980·Granted Jun 22, 1982·7 cites·21 claims
- 2743US4320732AMethod and apparatus for generating fuel injection control pulses for an internal combustion engineBOSCH GMBH ROBERT·Filed 1979·Granted Mar 23, 1982·6 cites·20 claims
- 2843US4297599ACircuit arrangement for obtaining an interference-free trigger signal especially for a fuel apportionment device in an internal combustion engineBOSCH GMBH ROBERT·Filed 1979·Granted Oct 27, 1981·5 cites·8 claims
- 2942US4174682AAuxiliary fuel injection control circuitBOSCH GMBH ROBERT·Filed 1977·Granted Nov 20, 1979·6 cites·5 claims
- 3039US4437339ALinearizing and control circuit for air flow rate meterBOSCH GMBH ROBERT·Filed 1981·Granted Mar 20, 1984·5 cites·5 claims
- 3138US4231345AApparatus for controlling an electrical switching element in internal combustion enginesBOSCH GMBH ROBERT·Filed 1979·Granted Nov 4, 1980·4 cites·7 claims
- 3235US4222352AElectrically controlled fuel injection systemBOSCH GMBH ROBERT·Filed 1976·Granted Sep 16, 1980·4 cites·20 claims
- 3332US5552680ADevice for operating a gas-discharge lampBOSCH GMBH ROBERT·Filed 1992·Granted Sep 3, 1996·3 cites·12 claims
- 3432US4658641AMethod and apparatus for measuring the flow rate of a flowing mediumBOSCH GMBH ROBERT·Filed 1985·Granted Apr 21, 1987·3 cites·17 claims
- 3530US4088927AInterference-protected, switch-controlled square wave generation circuitBOSCH GMBH ROBERT·Filed 1976·Granted May 9, 1978·1 cites·8 claims
- 3629US4254742AApparatus for adapting engine fuel supply to ambient air temperatureBOSCH GMBH ROBERT·Filed 1978·Granted Mar 10, 1981·0 cites·5 claims
- 3727US4024843AFuel injection system for combination with internal combustion engines, having a universally connectable input trigger stageBOSCH GMBH ROBERT·Filed 1975·Granted May 24, 1977·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →