Inventor · disambiguated record
Josef Sonntag
Also filed as: SONNTAG JOSEF
28 granted patents·6 pending applications·545 citations·filing 1996–2020
96Inventor score
Files withMAHLE INT GMBH19DAIMLER BENZ AG5BALLARD POWER SYSTEMS4NUCELLSYS GMBH4BALLARD POWER SYSTEM AG1
Top patents by PatentIndex Score
34 records- 0194US6777909B1Device for generating electric energy in a motor vehicle by means of a fuel cell and method for operating such a deviceBALLARD POWER SYSTEM AG·Filed 2000·Granted Aug 17, 2004·108 cites·15 claims
- 0291US5760488AVehicle having a fuel cell or battery energy supply networkDAIMLER BENZ AG·Filed 1996·Granted Jun 2, 1998·113 cites·4 claims
- 0389US11451103B2Insulation body for an electrical machineMAHLE INT GMBH·Filed 2019·Granted Sep 20, 2022·5 cites·29 claims
- 0487US11984781B2Electric machine, in particular for a vehicleMAHLE INT GMBH·Filed 2020·Granted May 14, 2024·2 cites·32 claims
- 0587US11728703B2Electric machine for a vehicleMAHLE INT GMBH·Filed 2020·Granted Aug 15, 2023·2 cites·27 claims
- 0685US5646852AMethod and device for vehicle fuel cell dynamic power controlDAIMLER BENZ AG·Filed 1996·Granted Jul 8, 1997·80 cites·12 claims
- 0784US11482900B2Insulating body for an electric machineMAHLE INT GMBH·Filed 2019·Granted Oct 25, 2022·3 cites·18 claims
- 0883US7709977B2Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical networkNUCELLSYS GMBH·Filed 2005·Granted May 4, 2010·9 cites·25 claims
- 0980US11735986B2Electrical machine for a vehicleMAHLE INT GMBH·Filed 2019·Granted Aug 22, 2023·2 cites·20 claims
- 1080US5780981AProcess for dynamically adjusting the power for a vehicle having a fuel cellDAIMLER BENZ AG·Filed 1996·Granted Jul 14, 1998·64 cites·9 claims
- 1179US12206306B2Electrical machine, in particular for a vehicle with a cooling channel for cooling stator windingsMAHLE INT GMBH·Filed 2019·Granted Jan 21, 2025·2 cites·26 claims
- 1279US11190063B2Electrical machineMAHLE INT GMBH·Filed 2018·Granted Nov 30, 2021·2 cites·23 claims
- 1378US11777352B2Electrical machineMAHLE INT GMBH·Filed 2018·Granted Oct 3, 2023·2 cites·29 claims
- 1472US11190064B2Electrical machine, in particular for a vehicleMAHLE INT GMBH·Filed 2019·Granted Nov 30, 2021·1 cites·30 claims
- 1572US5794732AApparatus and method for starting a fuel cell vehicleDAIMLER BENZ AG·Filed 1996·Granted Aug 18, 1998·48 cites·7 claims
- 1670US7057306B2Fuel cell and control unit in a detachable housingNUCELLSYS GMBH·Filed 2001·Granted Jun 6, 2006·14 cites·29 claims
- 1766US5877600AProcess for determining a desired load value for a load-dependent current generating system in an electric vehicleDAIMLER BENZ AG·Filed 1996·Granted Mar 2, 1999·36 cites·5 claims
- 1858US6577026B1Circuit arrangement for supplying electric power to a network comprising a fuel cell and an accumulator systemBALLARD POWER SYSTEMS·Filed 1999·Granted Jun 10, 2003·29 cites·10 claims
- 1955US7477049B2Method for controlling the quality of the coolant for fuel cell systemsNUCELLSYS GMBH·Filed 2004·Granted Jan 13, 2009·2 cites·10 claims
- 2051US12062960B2Method for producing a stator for an electric machineMAHLE INT GMBH·Filed 2020·Granted Aug 13, 2024·0 cites·25 claims
- 2151US6830843B2Method for controlling the quality of the coolant for fuel cell systemsBALLARD POWER SYSTEMS·Filed 2002·Granted Dec 14, 2004·1 cites·4 claims
- 2250US7422809B2Method and apparatus for regulating electrical power output of a fuel cell systemNUCELLSYS GMBH·Filed 2002·Granted Sep 9, 2008·1 cites·9 claims
- 2349US6555260B2Fuel cell system having a fuel cell stack with integrated polarity reversal protection diodeBALLARD POWER SYSTEMS·Filed 2001·Granted Apr 29, 2003·4 cites·13 claims
- 2448US12261495B2Electrical machine, in particular for a vehicleMAHLE INT GMBH·Filed 2020·Granted Mar 25, 2025·0 cites·27 claims
- 2548US11527932B2Method for producing a stator for an electric machineMAHLE INT GMBH·Filed 2018·Granted Dec 13, 2022·0 cites·29 claims
- 2647US2022021259A1Insulation body for an electric machineMAHLE INT GMBH·Filed 2019·Application pending·0 cites
- 2747US2020156296A1Electrical machineMAHLE INT GMBH·Filed 2019·Application pending·0 cites
- 2847US2022014062A1Electric machineMAHLE INT GMBH·Filed 2019·Application pending·0 cites
- 2946US2020295618A1Electrical machine, in particular for a vehicleMAHLE INT GMBH·Filed 2020·Application pending·0 cites
- 3044US6531876B1Apparatus for voltage measurementBALLARD POWER SYSTEMS·Filed 1999·Granted Mar 11, 2003·15 cites·21 claims
- 3143US11581771B2Electrical machineMAHLE INT GMBH·Filed 2018·Granted Feb 14, 2023·0 cites·26 claims
- 3243US11476730B2Electrical machine with stator with coolant distributor chamber and coolant collector chamberMAHLE INT GMBH·Filed 2018·Granted Oct 18, 2022·0 cites·40 claims
- 3342US2020204023A1Electrical machineMAHLE INT GMBH·Filed 2018·Application pending·0 cites
- 3440US2002092690A1Method and apparatus for starting a vehicleFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →