Inventor · Stuttgart, DE

Alfons Rennefeld

6Patents
5h-index
11Co-inventors
52Inventor score

Filing activity: Aug 25, 1997 → Jun 22, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6251037A Hybrid drive for vehicles and the like Emerging Cross-Sectional Technologies 45 Expired
US6862887B2 Hybrid drive Emerging Cross-Sectional Technologies 18 Expired
US6695082B2 Vehicle having an electrical machine optionally coupling with a transmission input shaft or output shaft Emerging Cross-Sectional Technologies 18 Expired
US6659212B2 Hybrid drive for a motor vehicle with an exhaust gas turbocharger Emerging Cross-Sectional Technologies 12 Expired
US7353895B2 Vehicle transmission with selectively-engageable electric motor Emerging Cross-Sectional Technologies 10 Expired
US6208049A Motor vehicle auxiliaries drive assembly Electricity 3 Expired

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