Inventor · Paris, FR

Jacques Laeuffer

11Patents
5h-index
4Co-inventors
55Inventor score

Filing activity: Apr 4, 1989 → Sep 20, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5200984A Filament current regulator for an X-ray tube cathode Electricity 18 Expired
US7195573B2 Power transmission device with at least two planetary gear trains Emerging Cross-Sectional Technologies 14 Expired
US6324080A Method and apparatus for energy conversion utilizing circuit phase and time variables Emerging Cross-Sectional Technologies 14 Expired
US5200645A Device for obtaining and switching high voltages applied to X-ray tube electrodes Electricity 7 Expired
US5243509A Variable frequency resonant converter Electricity 6 Expired
US7533745B2 Power transmission method and device for a motor vehicle comprising a heat engine and at least one electric machine Emerging Cross-Sectional Technologies 4 Expired
US6215675A Method apparatus for energy conversion Electricity 4 Expired
US5001618A Ripple insensitivity method for regulating the voltage of a voltage signal Electricity 3 Expired
US7458910B2 Power transmission device and process implementing such device Emerging Cross-Sectional Technologies 3 Active
US7298104B2 System for electrically regulating the movement transmission device for a motor vehicle Emerging Cross-Sectional Technologies 2 Expired
US7824306B2 Power transmission device for a motor vehicle and method for using said device Emerging Cross-Sectional Technologies 1 Active

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