Inventor · Renningen, DE

Martin Eisenhardt

15Patents
4h-index
17Co-inventors
53Inventor score

Filing activity: Sep 22, 1998 → Apr 30, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6098584A Starter for an internal combustion engine Emerging Cross-Sectional Technologies 46 Expired
US6501653B1 Arrangement of a multiphase converter Electricity 37 Expired
US7134516B2 Method for setting a desired operating condition of a hybrid drive for a vehicle Emerging Cross-Sectional Technologies 6 Expired
US7129673B2 Method and device for the regulation of permanent-magnet excited synchronous machine having reduced power oscillations in the higher rotational speed range Electricity 5 Expired
US6885166B2 Regulating system having a simple hardware unit for regulating an electric machine optionally in PWM operation or block operation Electricity 3 Expired
US8222844B2 Method for determining the magnet temperature in synchronous machines Emerging Cross-Sectional Technologies 3 Active
US6718273B1 Methods for simplified field-oriented control of asynchronous machines Electricity 2 Expired
US7198589B2 Electric motor coupled to an internal combustion engine in a motor vehicle Emerging Cross-Sectional Technologies 2 Expired
US7839014B2 Pulse-width modulation rectifier having an emergency generator operating mode Emerging Cross-Sectional Technologies 2 Active
US5998959A Regulator device for an asynchronous machine used in particular as a drive for electric vehicles Emerging Cross-Sectional Technologies 2 Expired
US7688012B2 Method and device for determining the torque of an electric machine Electricity 1 Active
US8436561B2 Method and device for monitoring the startup of an electric drive Emerging Cross-Sectional Technologies 0 Active
US8851218B2 Method for determining a power limiting value for an electric machine in a vehicle, computer program and control unit for controlling an electric machine in a vehicle Emerging Cross-Sectional Technologies 0 Active
US10919393B2 Surge arrester and method for operating a surge arrester Emerging Cross-Sectional Technologies 0 Active
US8779703B2 Method for operating a polyphase machine having a pulse-width-modulated inverter Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.