Inventor · Voisins-le-Bretonneux, FR

Ngy Srun Ap

12Patents
7h-index
10Co-inventors
63Inventor score

Filing activity: May 19, 1981 → Sep 28, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US6448535B1 Cooling device for electric vehicle with fuel cell Emerging Cross-Sectional Technologies 59 Expired
US4685430A Motor vehicle exhaust gas heat exchanger for heating engine coolant and lubricating oil Mechanical Engineering; Lighting; Heating 53 Expired
US7168398B2 System for managing the heat energy produced by a motor vehicle heat engine Emerging Cross-Sectional Technologies 30 Expired
US8936121B2 Heat exchange block for a motor vehicle Emerging Cross-Sectional Technologies 26 Active
US5884588A Engine cooling system with a thermally insulated fluid reservoir Mechanical Engineering; Lighting; Heating 18 Expired
US6595433B2 Device for cooling a vehicle with an electric motor powered by a fuel cell Emerging Cross-Sectional Technologies 14 Expired
US6253548A Exhaust system for a motor vehicle engine Emerging Cross-Sectional Technologies 8 Expired
US4387670A Cooling systems for internal combustion engine comprising a radiator equipped with an expansion-tank Mechanical Engineering; Lighting; Heating 7 Expired
US5309870A Method and apparatus for cooling a heat engine of widely variable power Mechanical Engineering; Lighting; Heating 6 Expired
US6470838B2 Device for regulating the cooling of a motor-vehicle internal-combustion engine in a hot-starting state Mechanical Engineering; Lighting; Heating 5 Expired
US8132547B2 Thermal energy management system for a vehicle heat engine provided with a time-delay switching means Mechanical Engineering; Lighting; Heating 3 Active
US8806881B2 System for controlling the thermal energy of a motor vehicle engine by adjusting the fluid actuators of said system Emerging Cross-Sectional Technologies 0 Active

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