Inventor · Stuttgart, DE

Gerhard Hotzel

5Patents
4h-index
5Co-inventors
42Inventor score

Filing activity: Aug 21, 1986 → Dec 23, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5391284A Arrangement for determining the lambda value of an air/fuel mixture Physics 12 Expired
US4710848A Solid state cell Physics 10 Expired
US5524472A Evaluating arrangement for the signal of an oxygen probe Mechanical Engineering; Lighting; Heating 10 Expired
US5494557A Method of operating an oxygen probe having an internal reference atmosphere Physics 6 Expired
US5549804A Arrangement for detecting the oxygen content in the exhaust gas of an internal combustion engine Physics 2 Expired

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