Inventor · Hagen, DE

Volker Pretzlaff

4Patents
3h-index
10Co-inventors
47Inventor score

Filing activity: Mar 10, 1997 → Apr 18, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US6803851B1 Method for carrying out a keyless access authorization check and keyless access authorization check device Physics 53 Expired
US6538560B1 Keyless device for controlling access to automobiles and keyless method for checking access authorization Physics 38 Expired
US5872436A System for monitoring and controlling the opening and closing of electrically driven devices Electricity 19 Expired
US7636035B2 Tire pressure control system for a motor vehicle Performing Operations; Transporting 2 Active

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