Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Oliver Maier — 43 Patents

General Motors: 32 patents #319 of 18,328Top 2%
LKLeopold Kostal Gmbh & Co. Kg: 5 patents #19 of 226Top 9%
Robert Bosch Gmbh: 2 patents #7,316 of 19,740Top 40%
KGKnorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh: 1 patents #308 of 576Top 55%
TAThyssenkrupp Industrial Solutions Ag: 1 patents #104 of 286Top 40%
Overall (All Time): #69,308 of 4,157,543Top 2%
43 Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
8586258 Hydrogen/gas pressure controlled high pressure tank valves architecture 2013-11-19
8494371 Architecture of an optical refueling communication using glass fiber 2013-07-23
8470479 Sensorless relative humidity control in a fuel cell application Marc Becker, Peter Willimowski 2013-06-25
8459286 Pressure retention valve and integrated valve for tank system Jurgen Thyroff 2013-06-11
8402820 Diagnosis concept for valve controlled coolant bypass paths 2013-03-26
8047319 Noise-comfort function for cooling systems with proportional variable speed fans 2011-11-01
7847513 System for controlling the power output of a fuel cell stack and battery Peter Kilian, Jochen Schaffnit 2010-12-07
7829228 Control strategy to prevent humidity cycling in a fuel cell Josef Kallo, Kilian Simbeck, Peter Kilian, Manish Sinha, Steven D. Burch +1 more 2010-11-09
7829229 Power control for hybrid fuel cell systems Josef Kallo 2010-11-09
7829234 Non-linear cathode inlet/outlet humidity control Peter Willimowski 2010-11-09
7793746 Noise-comfort function for cooling systems with proportional variable speed fans 2010-09-14
7765702 Angle sensor Christian Schirp, Arnd Ruebenhagen 2010-08-03
7637020 Rotation angle sensor and method for determining the absolute angular position of a body undergoes several rotations Christian Schirp 2009-12-29
7588847 Advanced controls concept for hybrid fuel cell systems Peter Kilian, Jochen Schaffnit 2009-09-15
7588845 Advanced control for an electrical heatable wax thermostat in the thermal coolant loop of fuel cell systems Peter Willimowski 2009-09-15
7455241 Fuel cell coolant temperature determination method 2008-11-25
7295941 Method for correcting a characteristic curve derived from a magnetoresistive sensor signal Christian Schirp, Frank Blasing 2007-11-13
7241524 System architecture for managing hydrogen leaks into fluid circuits of fuel cell systems 2007-07-10