Inventor · disambiguated record
John C. Tompkins
Also filed as: TOMPKINS JOHN C
4 granted patents·109 citations·filing 1980–2001
79Inventor score
Top patents by PatentIndex Score
4 records- 0181US4460308AMethod for loading coal into railroad carsKERR MCGEE COAL CORP·Filed 1982·Granted Jul 17, 1984·37 cites·27 claims
- 0273US6558042B1Bearing guided ferrofluid seal and seal carrierSAE MAGNETICS HK LTD·Filed 2001·Granted May 6, 2003·15 cites·21 claims
- 0362US4857820ACordless battery chargerTOMPKINS JOHN C·Filed 1987·Granted Aug 15, 1989·39 cites·20 claims
- 0446US4273193AProcess for use in degasification of subterranean mineral depositsKERR MCGEE COAL CORP·Filed 1980·Granted Jun 16, 1981·18 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →