Inventor · disambiguated record
Harold E. Mccormick
Also filed as: BERKBIGLER ROGER L · MAYHEW DONALD J · MCCORMICK HAROLD · MCCORMICK HAROLD E
16 granted patents·3 pending applications·326 citations·filing 1972–2012
94Inventor score
Top patents by PatentIndex Score
19 records- 0195US4251599AFerrous metal body coated with an alloy formed by an iron/silicon extended molybdenum plasma spray powderRAMSEY CORP·Filed 1979·Granted Feb 17, 1981·66 cites·3 claims
- 0288US8851029B2Opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zonesCALLAHAN BRIAN J·Filed 2012·Granted Oct 7, 2014·7 cites·13 claims
- 0383US4299401APiston ring and method of making sameRAMSEY CORP·Filed 1979·Granted Nov 10, 1981·36 cites·11 claims
- 0479US4115959AMethod for increasing the life of silicon carbide grinding wheelsRAMSEY CORP·Filed 1977·Granted Sep 26, 1978·27 cites·15 claims
- 0579US4024617AMethod of applying a refractory coating to metal substrateRAMSEY CORP·Filed 1973·Granted May 24, 1977·30 cites·30 claims
- 0673US4085490AMethod of making a rolled metal piston ringRAMSEY CORP·Filed 1976·Granted Apr 25, 1978·30 cites·17 claims
- 0768US4040637ALow friction balanced piston ringRAMSEY CORP·Filed 1976·Granted Aug 9, 1977·22 cites·16 claims
- 0867US4248440ATitania-alumina-yttria piston ring facingRAMSEY CORP·Filed 1979·Granted Feb 3, 1981·17 cites·7 claims
- 0964US7486179B2Low-level oil sensorC K ENGINEERING INC·Filed 2006·Granted Feb 3, 2009·7 cites·39 claims
- 1064US4182579ARetaining ringRAMSEY CORP·Filed 1977·Granted Jan 8, 1980·23 cites·19 claims
- 1160US4214762ARolled metal piston ringRAMSEY CORP·Filed 1978·Granted Jul 29, 1980·17 cites·9 claims
- 1249US4079949AIntegral spring piston ringRAMSEY CORP·Filed 1976·Granted Mar 21, 1978·11 cites·11 claims
- 1348US3985415ALocking plug and receptacle thereforUNION CONNECTOR COMPANY INC·Filed 1975·Granted Oct 12, 1976·16 cites·1 claims
- 1447US3947269ABoron-hardened tungsten facing alloyTRW INC·Filed 1972·Granted Mar 30, 1976·9 cites·8 claims
- 1546US2006220322A1Replenishment pockets on piston rings for the prevention of microweldingJE PISTONS INC·Filed 2005·Application pending·0 cites
- 1641US4032672AMethod for coating partsRAMSEY CORP·Filed 1975·Granted Jun 28, 1977·7 cites·12 claims
- 1738US2004120839A1Air compressor assemblyFiled 2002·Application pending·0 cites
- 1836US2010179747A1Low-level oil sensorC K ENGINEERING INC·Filed 2009·Application pending·0 cites
- 1926US4203644ASpring lockUNION CONNECTOR CO INC·Filed 1978·Granted May 20, 1980·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →