Inventor · Nashua, NH, US

David E. Roche

3Patents
3h-index
11Co-inventors
43Inventor score

Filing activity: Sep 13, 1988 → Aug 21, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4918930A Electronically controlled cryopump Emerging Cross-Sectional Technologies 66 Expired
US5157928A Electronically controlled cryopump Emerging Cross-Sectional Technologies 50 Expired
US6022195A Electronically controlled vacuum pump with control module Mechanical Engineering; Lighting; Heating 44 Expired

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