| 8661816 |
Hybrid combustion energy conversion engines |
Harry Bruce Crower, Tibor Kiss |
2014-03-04 |
| 7588000 |
Free piston pressure spike modulator for any internal combustion engine |
Harry Bruce Crower |
2009-09-15 |
| 7347172 |
Hydraulic valve actuation system with valve lash adjustment |
Scott L. Strickler |
2008-03-25 |
| 6514016 |
Stuck tool detector and related method |
John A. Williams |
2003-02-04 |
| 6174219 |
Method for matching the spool valve lands in a fuel injector |
— |
2001-01-16 |
| 5035637 |
Engine valve cover gasket with electrical bridge |
John A. Serio, James J. Grinsteiner |
1991-07-30 |
| 4922867 |
Valve stop mechanism for internal combustion engines |
— |
1990-05-08 |
| 4793043 |
Fuel pump distribution assembly salvage method |
Richard Jones |
1988-12-27 |
| 4738323 |
Thrust bearing and cone locking assembly for rock drill bit |
— |
1988-04-19 |
| 4711143 |
Rock bit assembly method |
Jesse J. Loukanis, Raymond L. Tune |
1987-12-08 |
| 4694551 |
Method of remanufacturing a rock drill bit |
— |
1987-09-22 |