Inventor · disambiguated record
Thomas E. Helfrich
Also filed as: HELFRICH THOMAS · HELFRICH THOMAS E
3 granted patents·329 citations·filing 1992–1997
77Inventor score
Top patents by PatentIndex Score
3 records- 0195US5465011AUninterruptible power supply with improved output regulationSQUARE D CO·Filed 1992·Granted Nov 7, 1995·241 cites·21 claims
- 0273US5461263AMethod of phase synchronization between two AC signalsSQUARE D CO·Filed 1992·Granted Oct 24, 1995·75 cites·15 claims
- 0347US5829890ABearing assembly axial load applicationSKF GMBH·Filed 1997·Granted Nov 3, 1998·13 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →