Inventor · North Reading, MA, US

Joseph Gehret

10Patents
3h-index
5Co-inventors
53Inventor score

Filing activity: Jun 9, 1998 → Jun 23, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7239034B2 Engine driven power inverter system with cogeneration Emerging Cross-Sectional Technologies 19 Expired
US8578704B2 Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion engines Emerging Cross-Sectional Technologies 4 Active
US6217689A Apparatus and method for manufacturing packing material Emerging Cross-Sectional Technologies 3 Expired
US7243017B2 Method for controlling internal combustion engine emissions Mechanical Engineering; Lighting; Heating 2 Active
US9121326B2 Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion engines Emerging Cross-Sectional Technologies 1 Active
US9702306B2 Internal combustion engine controller Mechanical Engineering; Lighting; Heating 1 Active
US9470126B2 Assembly and method for reducing ammonia in exhaust of internal combustion engines Emerging Cross-Sectional Technologies 0 Active
US9631534B2 Assembly and method for reducing nitrogen oxides, carbon monoxide, hydrocarbons and hydrogen gas in exhausts of internal combustion engines and producing an electrical output Emerging Cross-Sectional Technologies 0 Active
US11936327B2 Hybrid power system with electric generator and auxiliary power source Electricity 0 Active
US10774724B2 Dual stage internal combustion engine aftertreatment system using exhaust gas intercooling and charger driven air ejector Emerging Cross-Sectional Technologies 0 Active

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