|
| US4630576 | 15 mai 1985 | 23 déc. 1986 | | Intake valve rocker arms of certain six cylinder internal combustion engines |
| US4896635 | 27 déc. 1988 | 30 janv. 1990 | Ford Motor Company | Friction reducing rocker arm construction |
| US5010857 | 15 août 1990 | 30 avr. 1991 | NI Industries, Inc. | Rocker arm |
| US5553583 | 27 janv. 1995 | 10 sept. 1996 | Perkins Limited | Rocker arm lubrication arrangement |
| US5657726 | 16 janv. 1996 | 19 août 1997 | Ford Global Technologies, Inc. | Rocker arm assembly for an internal combustion engine |
| US5671707 | 28 févr. 1996 | 30 sept. 1997 | Cummins Engine Company, Inc. | Rocker level oil shroud |
| US6871622 | 18 oct. 2002 | 29 mars 2005 | MacLean-Fogg Company | Leakdown plunger |
| US7028654 | 18 oct. 2002 | 18 avr. 2006 | The MacLean-Fogg Company | Metering socket |
| US7128034 | 18 oct. 2002 | 31 oct. 2006 | MacLean-Fogg Company | Valve lifter body |
| US7191745 | 18 oct. 2002 | 20 mars 2007 | MacLean-Fogg Company | Valve operating assembly |
| US7273026 | 18 oct. 2002 | 25 sept. 2007 | MacLean-Fogg Company | Roller follower body |
| US7281329 | 2 févr. 2004 | 16 oct. 2007 | MacLean-Fogg Company | Method for fabricating a roller follower assembly |
| US7284520 | 8 mars 2007 | 23 oct. 2007 | MacLean-Fogg Company | Valve lifter body and method of manufacture |