Inventor · Wiernsheim, DE

Gerhard Koelle

15Patents
7h-index
29Co-inventors
62Inventor score

Filing activity: Apr 28, 1999 → Dec 20, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6232674A Control device for a vehicle electric system Emerging Cross-Sectional Technologies 48 Expired
US6373705B1 Electronic semiconductor module Electricity 36 Expired
US6697257B1 Power semiconductor module Electricity 26 Expired
US6353307B1 Controlled rectifier bridge with over-voltage protection Electricity 23 Expired
US6744240B2 Method for improving the efficiency of an electrical machine Electricity 18 Expired
US6351104B1 Multi-voltage vehicle electric system Electricity 12 Expired
US7578710B2 Electrical device Physics 8 Active
US6425839B1 Auxiliary generator set with variable transmission for an internal combustion engine Mechanical Engineering; Lighting; Heating 7 Expired
US6202614A Drive mechanism for a motor vehicle Mechanical Engineering; Lighting; Heating 7 Expired
US6363899B1 Method for the starter cut-out of an internal combustion engine Mechanical Engineering; Lighting; Heating 7 Expired
US6531787B2 Starter device for an internal combustion engine Mechanical Engineering; Lighting; Heating 6 Expired
US6830118B2 Drivetrain for a motor vehicle Emerging Cross-Sectional Technologies 5 Expired
US7615987B2 Device for determining electrical variables Physics 2 Expired
US6561947B2 Drive assembly and method for controlling a gear shift operation in a drive assembly of a motor vehicle Emerging Cross-Sectional Technologies 2 Expired
US9214872B2 Method for actuating the switching transistors of a rectifier Emerging Cross-Sectional Technologies 0 Active

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