Inventor · disambiguated record
William S. Hammel
Also filed as: HAMMEL WILLIAM S
6 granted patents·81 citations·filing 1988–2013
82Inventor score
Top patents by PatentIndex Score
6 records- 0193US9124169B2Autotransformer system reducing total harmonic distortionUNICO·Filed 2013·Granted Sep 1, 2015·21 cites·18 claims
- 0280US4891590ALinear resolver utilizing plural nulled coil setsUNICO·Filed 1988·Granted Jan 2, 1990·41 cites·4 claims
- 0364US7786691B2Bus disturbance regulatorUNICO·Filed 2007·Granted Aug 31, 2010·6 cites·14 claims
- 0447US8779709B2Apparatus for continued operation of an electric motor during an interruption in input powerLucas michael o·Filed 2012·Granted Jul 15, 2014·1 cites·20 claims
- 0542US7545113B2Harmonic disturbance regulatorUNICO·Filed 2006·Granted Jun 9, 2009·2 cites·18 claims
- 0636US5319295ADigital current regulatorUNICO·Filed 1991·Granted Jun 7, 1994·10 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →