Patent assignee · CH · COMPANY

VOLPI AG

5Patents
2Active
5Granted
34Portfolio score

Filing activity: Feb 5, 1976 → Jun 8, 2010 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4425599A Cavity illuminating device Physics 49 Expired
US4591732A Safety receptacle Electricity 35 Expired
US4076377A Fiber-optic device with curved sleeve and filler matrix Physics 7 Expired
US7769280B2 Camera handpiece Human Necessities 2 Active
US9440429B2 Drying light source Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.