Inventor · disambiguated record
Thomas L. Cowan
Also filed as: COWAN THOMAS · COWAN THOMAS L
5 granted patents·105 citations·filing 1977–2002
82Inventor score
Files withCOWAN FREDERICK C1
Top patents by PatentIndex Score
5 records- 0188US6805109B2Igniter circuit with an air gapFiled 2002·Granted Oct 19, 2004·36 cites·12 claims
- 0272US5569998ASolar powered pumping systemFiled 1994·Granted Oct 29, 1996·39 cites·4 claims
- 0366US6647974B1Igniter circuit with an air gapFiled 2002·Granted Nov 18, 2003·12 cites·11 claims
- 0447US4186669ACoal burning processCOWAN FREDERICK C·Filed 1977·Granted Feb 5, 1980·12 cites·12 claims
- 0530US5793585AIgnitor circuit enhancementFiled 1996·Granted Aug 11, 1998·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →