Inventor · disambiguated record
David W. Durfee
Also filed as: DURFEE DAVID · DURFEE DAVID W
6 granted patents·1 pending application·96 citations·filing 1984–2014
81Inventor score
Top patents by PatentIndex Score
7 records- 0190US4601927AWelding of plastic partsHYDROACOUSTIC INC·Filed 1984·Granted Jul 22, 1986·70 cites·33 claims
- 0260US8508828B2Magnetic voice-coil shutter drive actuation systemDURFEE DAVID W·Filed 2007·Granted Aug 13, 2013·3 cites·13 claims
- 0350US4601768AMethod and apparatus for treating plastic welds to relieve stresses thereinHYDROACOUSTIC INC·Filed 1984·Granted Jul 22, 1986·14 cites·53 claims
- 0447US9416777B2Control circuits for electrochemical pump with E-valvesBECTON DICKINSON CO·Filed 2014·Granted Aug 16, 2016·0 cites·25 claims
- 0541US2007172231A1Rotor magnet driven optical shutter assemblyMELLES GRIOT INC·Filed 2006·Application pending·0 cites
- 0637US4663206AStress relief and edge sealing of welded joints in plastics partsHYDROACOUSTIC INC·Filed 1984·Granted May 5, 1987·7 cites·15 claims
- 0729US4718970AApparatus for stress relief and edge sealing of welded joints in plastic partsHYDROACOUSTIC INC·Filed 1986·Granted Jan 12, 1988·2 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →