Inventor · disambiguated record
William D. Riggs
Also filed as: RIGGS WILLIAM D
4 granted patents·172 citations·filing 1979–1993
81Inventor score
Files withPHILIPS CORP4
Top patents by PatentIndex Score
4 records- 0190US4311933ABrushless direct current motorPHILIPS CORP·Filed 1979·Granted Jan 19, 1982·84 cites·7 claims
- 0272US5359288APosition detecting apparatus using variable magnetic field intensityPHILIPS CORP·Filed 1993·Granted Oct 25, 1994·39 cites·11 claims
- 0372US5089730ALow noise DC electric motorPHILIPS CORP·Filed 1990·Granted Feb 18, 1992·41 cites·7 claims
- 0456USD301574STorque motorPHILIPS CORP·Filed 1986·Granted Jun 13, 1989·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →