Inventor · disambiguated record
Helmut Fennel
Also filed as: FENNEL HELMUT
66 granted patents·7 pending applications·1,341 citations·filing 1983–2008
99Inventor score
Files withTEVES GMBH ALFRED29CONTINENTAL TEVES AG & CO OHG24ITT6ITT MFG ENTERPRISES INC4BLECKMANN HANS W1
Top patents by PatentIndex Score
73 records- 0194US6591668B1Method and system for ascertaining the emergency running condition of a pneumatic tireCONTINENTAL AG·Filed 2000·Granted Jul 15, 2003·63 cites·61 claims
- 0292US6554293B1Method for improving tilt stability in a motor vehicleCONTINENTAL TEVES AG & CO OHG·Filed 1998·Granted Apr 29, 2003·127 cites·11 claims
- 0392US4701855AMethod and circuit configuration for suppressing undesired control actions in slip-controlled brake systemsITT·Filed 1984·Granted Oct 20, 1987·31 cites·19 claims
- 0492US4675819AMethod for the generation of a vehicle reference speed as a reference value for the control of brake slip and/or traction slipITT·Filed 1984·Granted Jun 23, 1987·30 cites·10 claims
- 0591US6614343B1Method for determining vehicle status variablesCONTINENTAL TEVES AG & CO OHG·Filed 1998·Granted Sep 2, 2003·79 cites·7 claims
- 0690US6526334B1Method of controlling vehicle handlingCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Feb 25, 2003·53 cites·6 claims
- 0790US6409286B1Method and braking system for regulating the driving stability of a motor vehicleCONTINENTIAL TEVES AG & CO OHG·Filed 1998·Granted Jun 25, 2002·48 cites·12 claims
- 0887US4546437AMethod and circuit for the control of a brake slip control apparatusITT·Filed 1983·Granted Oct 8, 1985·60 cites·36 claims
- 0985US4729608AMethod and circuit configuration for controlling an anti-lock brake system for automotive vehicles with all-wheel driveTEVES GMBH ALFRED·Filed 1986·Granted Mar 8, 1988·25 cites·16 claims
- 1084US6901789B1Method for determining parametersCONTINENTAL TEVES AG & CO OHG·Filed 2000·Granted Jun 7, 2005·20 cites·11 claims
- 1184US5895434AMicroprocessor arrangement for a vehicle control systemITT MFG ENTERPRISES INC·Filed 1995·Granted Apr 20, 1999·41 cites·30 claims
- 1283US4648662ACircuit configuration for a slip-controlled vehicle brake systemTEVES GMBH ALFRED·Filed 1985·Granted Mar 10, 1987·22 cites·3 claims
- 1382US4657313ASlip-controlled brake system for road vehiclesTEVES GMBH ALFRED·Filed 1985·Granted Apr 14, 1987·21 cites·7 claims
- 1481US7209032B2System for transmitting tire condition variablesCONTINENTAL TEVES AG & CO OHG·Filed 2002·Granted Apr 24, 2007·18 cites·26 claims
- 1581US5458404ARedundant wheel sensor signal processing in both controller and monitoring circuitsTEVES GMBH ALFRED·Filed 1991·Granted Oct 17, 1995·28 cites·13 claims
- 1680US5795039ABrake system which maintains brake force distribution upon system malfunction while partially disabling anti-lock and traction slipTEVES GMBH ALFRED·Filed 1995·Granted Aug 18, 1998·34 cites·9 claims
- 1779US6650986B1Automotive vehicle control systemCONTINENTAL TEVES AG & CO OHG·Filed 2000·Granted Nov 18, 2003·17 cites·12 claims
- 1878US4739484AMethod and device for controlling the braking variation in vehicular brakes with brake slip controlITT·Filed 1987·Granted Apr 19, 1988·18 cites·5 claims
- 1976US6009366AProcess for monitoring a braking system with antilock system and electronic braking power distributionITT MFG ENTERPRISES INC·Filed 1996·Granted Dec 28, 1999·27 cites·15 claims
- 2076US4736994ACircuit configuration for controlling the braking pressure of a slip-controlled brake system for all-wheel driven automotive vehiclesTEVES GMBH ALFRED·Filed 1986·Granted Apr 12, 1988·17 cites·4 claims
- 2175US7111507B2Method for compensating temperature in a tire pressure monitoring systemCONTINENTAL TEVES AG & CO OHG·Filed 2003·Granted Sep 26, 2006·13 cites·11 claims
- 2275US6616250B1Method of controlling the performance of a motor vehicleCONTINENTAL TEVES AG & CO OHG·Filed 2000·Granted Sep 9, 2003·13 cites·16 claims
- 2371US6012010AProcess for improving the regulating behavior of an anti-lock systemsITT MFG ENTERPRISES INC·Filed 1996·Granted Jan 4, 2000·24 cites·8 claims
- 2471US5197788ACircuit configuration for an anti-lock brake systemTEVES GMBH ALFRED·Filed 1991·Granted Mar 30, 1993·20 cites·5 claims
- 2571US4844556AMethod and circuit configuration for controlling the wheel slip by means of an electronically controllable automotive vehicle brake systemTEVES GMBH ALFRED·Filed 1988·Granted Jul 4, 1989·14 cites·12 claims
- 2671US4688858ASlip-controlled brake system for motor vehiclesTEVES GMBH ALFRED·Filed 1985·Granted Aug 25, 1987·15 cites·6 claims
- 2770US5180211ABrake system for automotive vehicles with electronically controlled brake force distribution and with anti-lock controlTEVES GMBH ALFRED·Filed 1991·Granted Jan 19, 1993·15 cites·3 claims
- 2870US4581713AMethod of and arrangement for producing numerical values proportional to the frequency of measured pulses of a measured pulse trainITT·Filed 1983·Granted Apr 8, 1986·18 cites·23 claims
- 2969US5476311ACircuit configuration for detecting wheel sensor malfunctionsTEVES GMBH ALFRED·Filed 1992·Granted Dec 19, 1995·13 cites·3 claims
- 3069US4517684AMethod of and arrangement for providing numerical values indicative of relationsips between pulse train pulsesITT·Filed 1983·Granted May 14, 1985·21 cites·17 claims
- 3168US7920981B2Method of calibrating a sensor, in particular a yaw rate sensorCONTINENTAL TEVES AG & CO OHG·Filed 2006·Granted Apr 5, 2011·6 cites·7 claims
- 3267US6192747B1Tire pressure monitoring deviceITT MFG ENTERPRISES INC·Filed 1996·Granted Feb 27, 2001·25 cites·6 claims
- 3367US5270933ACircuit configuration for a brake system with anti-lock control and/or traction slip controlFENNEL HELMUT·Filed 1989·Granted Dec 14, 1993·15 cites·13 claims
- 3466US5704766AMethod and circuit arrangement for controlling the flow rate of a hydraulic pumpTEVES GMBH ALFRED·Filed 1993·Granted Jan 6, 1998·25 cites·4 claims
- 3565US7987031B2Device for determining a tendency to tiltCONTINENTAL TEVES AG 7 CO OHG·Filed 2005·Granted Jul 26, 2011·7 cites·10 claims
- 3663US6431663B1Process and device to improve the regulating action of an anti-lock braking systemCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Aug 13, 2002·17 cites·11 claims
- 3763US5058699AProcess and circuit configuration for controlling a tsc-system with brake and motor managementTEVES GMBH ALFRED·Filed 1989·Granted Oct 22, 1991·11 cites·7 claims
- 3862US4773072AMethod and circuit configuration for suppressing short-time interferencesTEVES GMBH ALFRED·Filed 1986·Granted Sep 20, 1988·28 cites·14 claims
- 3958US4626043ASlip-controlled brake system for automotive vehicles with a driven axleTEVES GMBH ALFRED·Filed 1985·Granted Dec 2, 1986·10 cites·3 claims
- 4057US6704628B1Method for detecting errors of microprocessors in control devices of an automobileCONTINENTAL TEVES AG & CO OHG·Filed 1998·Granted Mar 9, 2004·31 cites·7 claims
- 4157US6330496B1Method for adjusting the driving performance of a motor vehicle using tire sensorsCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Dec 11, 2001·24 cites·8 claims
- 4256US5277481ABrake system for automotive vehicles with electronically controlled brake force distribution and with anti-lock controlTEVES GMBH ALFRED·Filed 1992·Granted Jan 11, 1994·9 cites·4 claims
- 4356US4930845AProcess and circuit configuration for controlling a brake system with sequential brake pressure modulationTEVES GMBH ALFRED·Filed 1989·Granted Jun 5, 1990·9 cites·6 claims
- 4455US6807848B1Method for determining parametersCONTINENTAL TEVES AG & CO KG·Filed 2000·Granted Oct 26, 2004·6 cites·19 claims
- 4554US5210692AProcess and circuit configuration for analyzing the wheel speed signals for use with an anti-locking or traction slip controlTEVES GMBH ALFRED·Filed 1990·Granted May 11, 1993·10 cites·14 claims
- 4652US6173229B1Microprocessor arrangement for a vehicle-control systemCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Jan 9, 2001·29 cites·16 claims
- 4751US4975852ACircuit configuration for controlling the auxiliary energy supply system of a brake system with anti-lock control and/or traction slip controlTEVES GMBH ALFRED·Filed 1989·Granted Dec 4, 1990·7 cites·7 claims
- 4850US4746173ASlip-controlled brake system for all-wheel driven automotive vehicleTEVES GMBH ALFRED·Filed 1986·Granted May 24, 1988·15 cites·3 claims
- 4947US6220095B1Sensor for measuring yaw, pitch or roll movementsCONTINENTAL TEVES AG & CO OHG·Filed 1997·Granted Apr 24, 2001·15 cites·8 claims
- 5047US5350226AAnti-lock hydraulic brake systemTEVES GMBH ALFRED·Filed 1990·Granted Sep 27, 1994·10 cites·28 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →