Inventor · Birkenfeld, DE

Raymond Freymann

9Patents
7h-index
22Co-inventors
63Inventor score

Filing activity: Aug 21, 1984 → Sep 14, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6834503B2 Method for the operation of a steam thermal engine, in particular as a vehicle power unit Emerging Cross-Sectional Technologies 29 Expired
US7203321B1 Device for electroacoustic sound generation in a motor vehicle Physics 26 Expired
US7088829B1 Method and apparatus for producing sounds that depend on the operation of an internal combustion engine in the interior space of a motor vehicle Physics 24 Expired
US5841030A Process for the determining the vibration characteristics of a body Physics 17 Expired
US7520133B2 Thermodynamic engine Emerging Cross-Sectional Technologies 13 Active
US5072801A Vibration absorber Mechanical Engineering; Lighting; Heating 12 Expired
US4675805A Method and device for adjusting the PID characteristics of controller compensating networks, particularly in hydraulic pulsing machines Physics 7 Expired
US8740284B2 Motor vehicle comprising an actuator for opening the side door Performing Operations; Transporting 3 Active
US8931545B2 Internal combustion engine and heat engine with multiple heat exchangers Emerging Cross-Sectional Technologies 0 Active

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