Inventor
SONNTAG JOSEF
DE28 patents
⚠️ This page may combine multiple inventors who share the name “SONNTAG JOSEF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAHLE INT GMBH
14 patentsUS12206306B2Jan 21, 2025
Electrical machine, in particular for a vehicle with a cooling channel for cooling stator windings
MAHLE INT GMBH2 citations71
US11984781B2May 14, 2024
Electric machine, in particular for a vehicle
MAHLE INT GMBH2 citations70
US11777352B2Oct 3, 2023
Electrical machine
MAHLE INT GMBH2 citations70
US11728703B2Aug 15, 2023
Electric machine for a vehicle
MAHLE INT GMBH2 citations70
US11190063B2Nov 30, 2021
Electrical machine
MAHLE INT GMBH2 citations70
US11735986B2Aug 22, 2023
Electrical machine for a vehicle
MAHLE INT GMBH2 citations69
US11482900B2Oct 25, 2022
Insulating body for an electric machine
MAHLE INT GMBH3 citations69
US11451103B2Sep 20, 2022
Insulation body for an electrical machine
MAHLE INT GMBH5 citations69
US11190064B2Nov 30, 2021
Electrical machine, in particular for a vehicle
MAHLE INT GMBH1 citations59
US12261495B2Mar 25, 2025
Electrical machine, in particular for a vehicle
MAHLE INT GMBH0 citations49
US12062960B2Aug 13, 2024
Method for producing a stator for an electric machine
MAHLE INT GMBH0 citations49
US11476730B2Oct 18, 2022
Electrical machine with stator with coolant distributor chamber and coolant collector chamber
MAHLE INT GMBH0 citations49
US11581771B2Feb 14, 2023
Electrical machine
MAHLE INT GMBH0 citations47
US11527932B2Dec 13, 2022
Method for producing a stator for an electric machine
MAHLE INT GMBH0 citations46
DAIMLER BENZ AG
5 patentsUS5760488AJun 2, 1998
Vehicle having a fuel cell or battery energy supply network
DAIMLER BENZ AG113 citations98
US5780981AJul 14, 1998
Process for dynamically adjusting the power for a vehicle having a fuel cell
DAIMLER BENZ AG64 citations95
US5646852AJul 8, 1997
Method and device for vehicle fuel cell dynamic power control
DAIMLER BENZ AG80 citations94
US5877600AMar 2, 1999
Process for determining a desired load value for a load-dependent current generating system in an electric vehicle
DAIMLER BENZ AG36 citations92
US5794732AAug 18, 1998
Apparatus and method for starting a fuel cell vehicle
DAIMLER BENZ AG48 citations91
BALLARD POWER SYSTEMS
4 patentsUS6577026B1Jun 10, 2003
Circuit arrangement for supplying electric power to a network comprising a fuel cell and an accumulator system
BALLARD POWER SYSTEMS29 citations91
US6531876B1Mar 11, 2003
Apparatus for voltage measurement
BALLARD POWER SYSTEMS15 citations82
US6555260B2Apr 29, 2003
Fuel cell system having a fuel cell stack with integrated polarity reversal protection diode
BALLARD POWER SYSTEMS4 citations60
US6830843B2Dec 14, 2004
Method for controlling the quality of the coolant for fuel cell systems
BALLARD POWER SYSTEMS1 citations49
NUCELLSYS GMBH
4 patentsUS7709977B2May 4, 2010
Method and arrangement for controlling a switching connection between the electrical outputs of a fuel cell and an isolated electrical network
NUCELLSYS GMBH9 citations82
US7057306B2Jun 6, 2006
Fuel cell and control unit in a detachable housing
NUCELLSYS GMBH14 citations80
US7477049B2Jan 13, 2009
Method for controlling the quality of the coolant for fuel cell systems
NUCELLSYS GMBH2 citations59
US7422809B2Sep 9, 2008
Method and apparatus for regulating electrical power output of a fuel cell system
NUCELLSYS GMBH1 citations48