McCormick; Harold E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McCormick; Harold E..The latest application filed is for "opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zones".
- McCormick; Harold E. - Ballwin MO US
| Patent | Date |
|---|---|
| Opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zones Grant 8,851,029 - Callahan , et al. October 7, 2 | 2014-10-07 |
| Opposed-piston cylinder bore constructions with solid lubrication in the top ring reversal zones App 20130199503 - Callahan; Brian J. ; et al. | 2013-08-08 |
| Resilient plastic piston ring Grant RE31,005 - Prasse , et al. August 3, 1 | 1982-08-03 |
| Titania-alumina-yttria piston ring facing Grant 4,248,440 - McCormick February 3, 1 | 1981-02-03 |
| Retaining ring Grant 4,182,579 - McCormick , et al. January 8, 1 | 1980-01-08 |
| Method of making a rolled metal piston ring Grant 4,085,490 - McCormick , et al. April 25, 1 | 1978-04-25 |
| Low friction balanced piston ring Grant 4,040,637 - McCormick August 9, 1 | 1977-08-09 |
| Method of applying a refractory coating to metal substrate Grant 4,024,617 - McCormick May 24, 1 | 1977-05-24 |
| Piston and resilient plastic piston ring combination Grant 3,921,988 - Prasse , et al. November 25, 1 | 1975-11-25 |
| Sealing Element For Use In Internal Combustion Engines Grant 3,814,447 - Prasse , et al. June 4, 1 | 1974-06-04 |
| Piston Ring Facings Grant 3,794,334 - Prasse , et al. February 26, 1 | 1974-02-26 |
| Coated Nervous Substrate Grant 3,725,017 - Prasse , et al. April 3, 1 | 1973-04-03 |
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