Inventor · Livermore, CA, US

John E. Dec

8Patents
4h-index
8Co-inventors
50Inventor score

Filing activity: May 6, 1996 → Oct 25, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6025920A Opacity meter for monitoring exhaust emissions from non-stationary sources Physics 38 Expired
US7128046B1 Fuel mixture stratification as a method for improving homogeneous charge compression ignition engine operation Emerging Cross-Sectional Technologies 10 Expired
US8689767B1 Method for operating homogeneous charge compression ignition engines using conventional gasoline Emerging Cross-Sectional Technologies 8 Active
US10202929B1 Additive-mixing fuel-injection system for internal combustion engines Mechanical Engineering; Lighting; Heating 6 Active
US11674099B2 Fuel and fuel blend for internal combustion engine Chemistry; Metallurgy 0 Active
US9562206B2 Method for increasing the high load (knock) limit of an internal combustion engine operated in a low temperature combustion mode Emerging Cross-Sectional Technologies 0 Active
US11261391B1 Fuel and fuel blend for internal combustion engine Chemistry; Metallurgy 0 Active
US11814595B1 Additives for improving autoignition reactivity of hydrocarbon-based fuels Chemistry; Metallurgy 0 Active

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