Inventor · Melbourne, IA, US

Douglas C. Pfantz

4Patents
4h-index
11Co-inventors
43Inventor score

Filing activity: Jul 29, 1992 → Aug 10, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5964446A Elastomeric element valve Emerging Cross-Sectional Technologies 43 Expired
US5271601A Regulator valve with diaphragm support Mechanical Engineering; Lighting; Heating 33 Expired
US6102071A Elastomeric element valve Emerging Cross-Sectional Technologies 28 Expired
US6371156B1 No-bleed pilot for pressure regulating valve Emerging Cross-Sectional Technologies 24 Expired

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