Inventor · disambiguated record
William Spence
Also filed as: SPENCE WILLIAM · SPENCE WILLIAM M
3 granted patents·6 citations·filing 1978–2016
58Inventor score
Top patents by PatentIndex Score
3 records- 0187US9664153B2Engine with exhaust gas recirculationFORD GLOBAL TECH LLC·Filed 2015·Granted May 30, 2017·4 cites·20 claims
- 0269US10330054B2Systems and method for an exhaust gas recirculation cooler coupled to a cylinder headFORD GLOBAL TECH LLC·Filed 2016·Granted Jun 25, 2019·1 cites·18 claims
- 0321US4193744ACompressor valveNIPAK·Filed 1978·Granted Mar 18, 1980·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →