Inventor · Peru, IN, US

Daniel H. Hopper

5Patents
4h-index
10Co-inventors
50Inventor score

Filing activity: Jul 11, 1983 → Dec 16, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US5146882A Method and apparatus for cold starting a spark ignited internal combustion engine fueled with an alcohol-based fuel mixture Mechanical Engineering; Lighting; Heating 23 Expired
US4487063A Solid state mass air flow sensor Physics 22 Expired
US4738239A Ignition system Mechanical Engineering; Lighting; Heating 8 Expired
US5410253A Method of indicating combustion in an internal combustion engine Mechanical Engineering; Lighting; Heating 5 Expired
US5392754A Method of suppressing ringing in an ignition circuit Mechanical Engineering; Lighting; Heating 2 Expired

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