Inventor · disambiguated record
Stephen D. Umans
Also filed as: UMANS STEPHEN · UMANS STEPHEN D
7 granted patents·2 pending applications·126 citations·filing 1994–2014
85Inventor score
Top patents by PatentIndex Score
9 records- 0188US5594175AApparatus and method for non-invasive diagnosis and control of motor operated valve conditionMASSACHUSETTS INST TECHNOLOGY·Filed 1994·Granted Jan 14, 1997·73 cites·80 claims
- 0283US7382138B1System and method for non-destructive testing of rotorsRELIANCE ELECTRIC TECH·Filed 2006·Granted Jun 3, 2008·13 cites·15 claims
- 0378US9705388B2Rotor for a line start permanent magnet machineMELFI MIKE·Filed 2011·Granted Jul 11, 2017·10 cites·18 claims
- 0474US8872465B2Synchronous motor with soft start element formed between the motor rotor and motor output shaft to successfully synchronize loads that have high inertia and/or high torqueBALDOR ELECTRIC CO·Filed 2013·Granted Oct 28, 2014·3 cites·22 claims
- 0570US7630179B2Protective link for superconducting coilRELIANCE ELECTRIC TECH·Filed 2005·Granted Dec 8, 2009·5 cites·29 claims
- 0668US6362588B1Excitation system for rotating synchronous machinesRELIANCE ELECTRIC TECH·Filed 2000·Granted Mar 26, 2002·22 cites·27 claims
- 0746US2014283373A1Lamination for a Permanent Magnet MachineBALDOR ELECTRIC CO·Filed 2014·Application pending·0 cites
- 0845US2014285050A1Asymmetric Rotor for a Line Start Permanent Magnet MachineBALDOR ELECTRIC CO·Filed 2014·Application pending·0 cites
- 0939US7449877B1Current measurement apparatusRELIANCE ELECTRIC TECH·Filed 2005·Granted Nov 11, 2008·0 cites·42 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →