Inventor · Hudson, WI, US

David Roethel

3Patents
1h-index
5Co-inventors
30Inventor score

Filing activity: Dec 30, 2002 → Dec 10, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6899066B2 Valve assembly Mechanical Engineering; Lighting; Heating 6 Expired
US7395790B2 Reed valve breather for evolution engine Emerging Cross-Sectional Technologies 1 Expired
US7299895B2 Engine crankcase Emerging Cross-Sectional Technologies 0 Expired

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