Inventor · disambiguated record
Helmut Steffes
Also filed as: STEFFES HELMUT
75 granted patents·913 citations·filing 1979–2002
99Inventor score
Files withTEVES GMBH ALFRED51ITT12CONTINENTAL TEVES AG & CO OHG7ITT MFG ENTERPRISES INC3ALFRED TOVES GMBH1
Top patents by PatentIndex Score
75 records- 0188US4404803ABrake unit with a hydraulic boosting deviceITT·Filed 1981·Granted Sep 20, 1983·27 cites·14 claims
- 0286US5290098AHydraulic anti-locking brake unitTEVES GMBH ALFRED·Filed 1993·Granted Mar 1, 1994·30 cites·9 claims
- 0386US5115186ATravel sensor for determining the position of a member such as a brake pedalTEVES GMBH ALFRED·Filed 1990·Granted May 19, 1992·61 cites·3 claims
- 0485US4929038AHydraulic unitTEVES GMBH ALFRED·Filed 1988·Granted May 29, 1990·44 cites·21 claims
- 0585US4900105APressure fluid-activated brake system including an anti-locking traction slip controlTEVES GMBH ALFRED·Filed 1989·Granted Feb 13, 1990·23 cites·6 claims
- 0683US4489989AAuxiliary power assisted master cylinder arrangement for a vehicle brake systemITT·Filed 1982·Granted Dec 25, 1984·26 cites·34 claims
- 0783US4483144AControl arrangement for a hydraulic brake system with an antiskid control deviceITT·Filed 1981·Granted Nov 20, 1984·22 cites·4 claims
- 0881US5383718ABrake system with a device for controlling both brake slip and traction slipTEVES GMBH ALFRED·Filed 1991·Granted Jan 24, 1995·30 cites·13 claims
- 0980US6220675B1Hydraulic brake system with hydraulic servo brakeCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Apr 24, 2001·31 cites·8 claims
- 1079US4964681AAnti-lock hydraulic brake systemTEVES GMBH ALFRED·Filed 1989·Granted Oct 23, 1990·19 cites·27 claims
- 1178US4530209AControl arrangement for a vehicular brake system with hydraulic brake boosterITT·Filed 1984·Granted Jul 23, 1985·18 cites·9 claims
- 1277US4687259AHydraulic brake system with slip controlALFRED TOVES GMBH·Filed 1985·Granted Aug 18, 1987·20 cites·1 claims
- 1374US6705846B2Piston pumpCONTINENTAL TEVES AG & CO OHG·Filed 2002·Granted Mar 16, 2004·10 cites·14 claims
- 1473US6142583AAnti-locking hydraulic motor vehicle brake systemCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Nov 7, 2000·23 cites·8 claims
- 1573US4341076AHydraulic brake boosterITT·Filed 1980·Granted Jul 27, 1982·16 cites·13 claims
- 1671US5681099AElectrohydraulic pressure control deviceTEVES GMBH ALFRED·Filed 1994·Granted Oct 28, 1997·17 cites·10 claims
- 1770US4838305APressure differential valveTEVES GMBH ALFRED·Filed 1987·Granted Jun 13, 1989·14 cites·4 claims
- 1869US5251971AAnti-lock controlled brake system for automotive vehiclesTEVES GMBH ALFRED·Filed 1992·Granted Oct 12, 1993·17 cites·9 claims
- 1969US5141295ABrake power booster with diaphragm position sensing devicesTEVES GMBH ALFRED·Filed 1989·Granted Aug 25, 1992·23 cites·13 claims
- 2068US4824182AAnti-lock hydraulic brake system for automotive vehiclesTEVES GMBH ALFRED·Filed 1987·Granted Apr 25, 1989·29 cites·6 claims
- 2166US6497562B1Piston pumpCONTINENTAL TEVES AG & CO OHG·Filed 1998·Granted Dec 24, 2002·15 cites·22 claims
- 2265US6454543B1Selectively operable multiple pump assemblyCONTINENTAL TEVES AG & CO OHG·Filed 1999·Granted Sep 24, 2002·21 cites·9 claims
- 2365US5340285AMotor pump assembly with variably set eccentricTEVES GMBH ALFRED·Filed 1992·Granted Aug 23, 1994·14 cites·7 claims
- 2463US4660898AHydraulic brake system with slip controlITT·Filed 1984·Granted Apr 28, 1987·10 cites·3 claims
- 2562US4564244APressure control deviceITT·Filed 1983·Granted Jan 14, 1986·10 cites·13 claims
- 2661US4950027ABrake pressure regulatorTEVES GMBH ALFRED·Filed 1988·Granted Aug 21, 1990·11 cites·4 claims
- 2761US4628162AFluid level indicator for a reservoirTEVES GMBH ALFRED·Filed 1985·Granted Dec 9, 1986·12 cites·4 claims
- 2860US6450787B1Piston pumpCONTINENTAL TEVES AG & CO OHG·Filed 1999·Granted Sep 17, 2002·20 cites·20 claims
- 2960US4659152AHydraulic brake system with slip controlITT·Filed 1984·Granted Apr 21, 1987·9 cites·3 claims
- 3059US5215359AHydraulic anti-locking brake unitTEVES GMBH ALFRED·Filed 1991·Granted Jun 1, 1993·18 cites·33 claims
- 3159US5188433AAnti-lock hydraulic brake systemTEVES GMBH ALFRED·Filed 1990·Granted Feb 23, 1993·12 cites·12 claims
- 3259US4815793AHydraulic brake system for automotive vehiclesTEVES GMBH ALFRED·Filed 1987·Granted Mar 28, 1989·10 cites·4 claims
- 3358US5924775AAntiskid hydraulic braking systemITT MFG ENTERPRISES INC·Filed 1995·Granted Jul 20, 1999·14 cites·5 claims
- 3456US5231913AProcess for the adjustment of a brake power booster travel sensorTEVES GMBH ALFRED·Filed 1991·Granted Aug 3, 1993·11 cites·8 claims
- 3555US4805966ASlip-control hydraulic brake booster with braking-pressure responsive valve for fast-fill cylinderTEVES GMBH ALFRED·Filed 1987·Granted Feb 21, 1989·8 cites·6 claims
- 3654US5722742AElectrohydraulic pressure control mechanismTEVES GMBH ALFRED·Filed 1994·Granted Mar 3, 1998·9 cites·7 claims
- 3753US5005350ATandem master cylinderTEVES GMBH ALFRED·Filed 1989·Granted Apr 9, 1991·8 cites·7 claims
- 3853US4263784APower brake unit for automotive vehiclesITT·Filed 1979·Granted Apr 28, 1981·6 cites·9 claims
- 3952US4828333ASlip-controlled brake systemTEVES GMBH ALFRED·Filed 1988·Granted May 9, 1989·7 cites·11 claims
- 4051US4861117ABrake pressure regulatorTEVES GMBH ALFRED·Filed 1988·Granted Aug 29, 1989·7 cites·18 claims
- 4150US5249853AHydraulic anti-lock brake systemTEVES GMBH ALFRED·Filed 1992·Granted Oct 5, 1993·13 cites·14 claims
- 4249US5401085ABrake pressure control apparatus for a hydraulic automotive vehicle brake systemTEVES GMBH ALFRED·Filed 1992·Granted Mar 28, 1995·8 cites·30 claims
- 4348US5722741AElectrohydraulic pressure control deviceTEVES GMBH ALFRED·Filed 1994·Granted Mar 3, 1998·12 cites·7 claims
- 4448US4309934AHydraulic brake boosterITT·Filed 1979·Granted Jan 12, 1982·5 cites·9 claims
- 4547US5350226AAnti-lock hydraulic brake systemTEVES GMBH ALFRED·Filed 1990·Granted Sep 27, 1994·10 cites·28 claims
- 4646US5297862AHydraulic brake system controlling slipTEVES GMBH ALFRED·Filed 1991·Granted Mar 29, 1994·7 cites·10 claims
- 4746US4848847APressure supply system especially for brake systems of motor vehiclesTEVES GMBH ALFRED·Filed 1986·Granted Jul 18, 1989·9 cites·2 claims
- 4845US5700071AElectrohydraulic pressure control deviceTEVES GMBH ALFRED·Filed 1995·Granted Dec 23, 1997·8 cites·10 claims
- 4945US5046316ATandem master cylinder with filters arranged in central valvesTEVES GMBH ALFRED·Filed 1990·Granted Sep 10, 1991·8 cites·6 claims
- 5045US4759591AHydraulic brake systemTEVES GMBH ALFRED·Filed 1986·Granted Jul 26, 1988·5 cites·9 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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