Inventor · disambiguated record
David Caulfield
Also filed as: CAULFIELD DAVID D · CAULFIELD DAVID L
3 granted patents·2 pending applications·121 citations·filing 1989–2002
76Inventor score
Top patents by PatentIndex Score
5 records- 0172US6870791B1Acoustic portal detection systemFiled 2002·Granted Mar 22, 2005·48 cites·46 claims
- 0270US6545945B2Material classification apparatus and methodOCEAN DATA EQUIPMENT CORP·Filed 2001·Granted Apr 8, 2003·41 cites·26 claims
- 0363US4922467AAcoustic detection apparatusCAULFIELD DAVID D·Filed 1989·Granted May 1, 1990·32 cites·15 claims
- 0447US2002065702A1Real-time production tracking and scheduling systemFiled 2000·Application pending·0 cites
- 0526US2003088372A1Array calibration and quality assuranceCAULFIELD DAVID D·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →