Inventor · Bedford, NH, US

Douglas Field

6Patents
4h-index
10Co-inventors
54Inventor score

Filing activity: May 28, 1985 → Feb 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6561294B1 Balancing vehicle with passive pivotable support Performing Operations; Transporting 153 Expired
US6543564B1 Balancing personal vehicle Performing Operations; Transporting 139 Expired
US6357544B1 Balancing vehicle with camber and toe-in Emerging Cross-Sectional Technologies 63 Expired
US6929080B2 Balancing personal vehicle Performing Operations; Transporting 28 Expired
US4706405A Fish lure Human Necessities 4 Expired
US12061750B1 Modular vehicle HMI Performing Operations; Transporting 1 Active

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