Inventor · disambiguated record
Gerhard Ruhnau
Also filed as: GUDAT WOLFGANG · RUHNAU GERHARD
29 granted patents·2 pending applications·636 citations·filing 1976–2009
97Inventor score
Files withWABCO WESTINGHOUSE GMBH8WABCO GMBH & CO OHG7WABCO WESTINGHOUSE FAHRZEUG6WABCO FAHRZEUGBREMSEN GMBH3WABCO GMBH2
Top patents by PatentIndex Score
31 records- 0195US6498976B1Vehicle operator advisor system and methodFREIGHTLINER LLC·Filed 2000·Granted Dec 24, 2002·185 cites·64 claims
- 0293US7413266B2Method for controlling the brake system of a vehicle trainWABCO GMBH & CO OHG·Filed 2003·Granted Aug 19, 2008·51 cites·16 claims
- 0390US5265468AError detection and display systemWABCO WESTINGHOUSE FAHRZEUG·Filed 1992·Granted Nov 30, 1993·49 cites·23 claims
- 0488US4050747ADigital wheel speed circuit arranged to compensate for dimensional irregularities of sensor rotor memberWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Sep 27, 1977·34 cites·7 claims
- 0585US7415325B2Method and apparatus for data interchange between a tractor vehicle and a trailer vehicleWABCO GMBH & CO OHG·Filed 2005·Granted Aug 19, 2008·22 cites·6 claims
- 0680US4125295ADigital speed detecting circuit for a rotating member having a wide speed rangeWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Nov 14, 1978·25 cites·7 claims
- 0780US4101789ASignal multiplier circuit for a vehicle anti-skid wheel sensorWABCO WESTINGHOUSE GMBH·Filed 1976·Granted Jul 18, 1978·16 cites·10 claims
- 0879US4703388AOvervoltage protection circuit arrangement for vehicular antiskid brake control systemsWABCO WESTINGHOUSE FAHRZEUG·Filed 1985·Granted Oct 27, 1987·16 cites·4 claims
- 0979US4106820ACircuit arrangement for periodically testing the operating reliability of an electronic antiskid control systemWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Aug 15, 1978·15 cites·19 claims
- 1077US6799129B2Method and system for monitoring tire pressure in vehicles equipped with anti-lock braking systemsWABCO GMBH & CO OHG·Filed 2002·Granted Sep 28, 2004·17 cites·26 claims
- 1176US4166976ACircuit for the digital measurement of the speed of a moving objectWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Sep 4, 1979·20 cites·14 claims
- 1271US4594571AMultiplex cabling system for vehiclesWABCO FAHRZEUGBREMSEN GMBH·Filed 1982·Granted Jun 10, 1986·25 cites·5 claims
- 1371US4072364ACompensating circuit arrangement in a wheel anti-skid brake control system to obtain corresponding measured values of the duration of the half cycle alternations of a wheel generated voltageWABCO WESTINGHOUSE GMBH·Filed 1976·Granted Feb 7, 1978·18 cites·8 claims
- 1467US6984005B2Vehicle braking method and systemWABCO GMBH & CO OHG·Filed 2003·Granted Jan 10, 2006·11 cites·28 claims
- 1566US4136912AMethod and arrangement for filtering digital, measured cycle-duration values, in particular in antiskid control devices on vehiclesWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Jan 30, 1979·9 cites·36 claims
- 1665US7996136B2Brake performance monitoring system and methodWABCO GMBH·Filed 2005·Granted Aug 9, 2011·3 cites·34 claims
- 1764US4113322ADigital control circuit for producing acceleration and deceleration control signals in an antiskid control systemWABCO WESTINGHOUSE GMBH·Filed 1977·Granted Sep 12, 1978·9 cites·19 claims
- 1862US5119312ACircuitry for surveillance of switching state of a power transistorWABCO WESTINGHOUSE FAHRZEUG·Filed 1990·Granted Jun 2, 1992·17 cites·32 claims
- 1962US4405982AArrangement for monitoring the function of a programmable electronic switching circuitWABCO FAHRZEUGBREMSEN GMBH·Filed 1980·Granted Sep 20, 1983·29 cites·2 claims
- 2060US7647145B2Method for error processing in electronic controllersWABCO GMBH·Filed 2004·Granted Jan 12, 2010·8 cites·4 claims
- 2158US8336364B2Method and apparatus for calibrating wheel speedsMUNKO TOBIAS·Filed 2009·Granted Dec 25, 2012·4 cites·9 claims
- 2257US4661910AProtection circuit for detecting undervoltages in the electrical charging system of a motor vehicleWABCO WESTINGHOUSE FAHRZEUG·Filed 1985·Granted Apr 28, 1987·14 cites·9 claims
- 2356US4270810ACircuit for influencing the brake-pressure release and/or brake-pressure holding phases for antilocking vehicle brake systemsWABCO FAHRZEUGBREMSEN GMBH·Filed 1979·Granted Jun 2, 1981·7 cites·15 claims
- 2454US6622077B2Anti-lock braking system and methodWABCO GMBH & CO OHG·Filed 2002·Granted Sep 16, 2003·4 cites·46 claims
- 2554US5205619AElectronic circuit for surveillance of final amplifier and its loadWABCO WESTINGHOUSE FAHRZEUG·Filed 1990·Granted Apr 27, 1993·10 cites·28 claims
- 2652US6935707B2Vehicle anti-lock brake system and methodWABCO GMBH & CO OHG·Filed 2003·Granted Aug 30, 2005·3 cites·10 claims
- 2745US6964455B2Vehicle anti-lock brake system and methodWABCO GMBH & CO OHG·Filed 2005·Granted Nov 15, 2005·0 cites·13 claims
- 2841US5780732AMethod for the verification of electrical connections for an antilock braking system of a vehicleWABCO VERMOEGENSVERWALTUNG·Filed 1997·Granted Jul 14, 1998·11 cites·19 claims
- 2941US2011264301A1Method for determining a travel direction and control device for a vehicle systemHENKEN IMMANUEL·Filed 2009·Application pending·0 cites
- 3038US5469358AMethod for generating wheel acceleration control signals and wheel deceleration control signalsWABCO WESTINGHOUSE FAHRZEUG·Filed 1994·Granted Nov 21, 1995·4 cites·20 claims
- 3136US2003109971A1Method and apparatus for data interchange between a tractor vehicle and a trailer vehicleFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →