Inventor · Hertford, GB

Derek Williams

2Patents
1h-index
5Co-inventors
41Inventor score

Filing activity: Nov 8, 1982 → Jul 31, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4484727A Fluid control valves Emerging Cross-Sectional Technologies 4 Expired
US8931908B2 Air purge collar Emerging Cross-Sectional Technologies 0 Active

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