Ampferer; Herbert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ampferer; Herbert.The latest application filed is for "air guide device with air intake openings".
- Ampferer; Herbert - Sachsenheim DE
- Ampferer; Herbert - Bietigheim-Bissingen DE
| Patent | Date |
|---|---|
| Air guide device with air intake openings Grant 5,678,884 - Murkett , et al. October 21, 1 | 1997-10-21 |
| Delay part for lubricating oil Grant 5,161,643 - Ampferer November 10, 1 | 1992-11-10 |
| Arrangement for changing the valve timing of an internal-combustion engine Grant 5,138,985 - Szodfridt , et al. August 18, 1 | 1992-08-18 |
| Internal-combustion engine oil guiding housing Grant 5,136,993 - Ampferer , et al. August 11, 1 | 1992-08-11 |
| Exhaust system of a reciprocating piston engine Grant 5,094,072 - Ampferer , et al. March 10, 1 | 1992-03-10 |
| Oil pump drive arrangement for a piston internal-combustion engine and method of making same Grant 5,063,895 - Ampferer November 12, 1 | 1991-11-12 |
| Cylinder block and crankcase Grant 4,974,569 - Ampferer , et al. December 4, 1 | 1990-12-04 |
| Plastic oil pan Grant 4,938,314 - Sitzler , et al. July 3, 1 | 1990-07-03 |
| Intake system for a multi-cylinder internal-combustion engine Grant 4,829,942 - Ampferer May 16, 1 | 1989-05-16 |
| Chain tensioner Grant 4,828,536 - Ampferer May 9, 1 | 1989-05-09 |
| Actuating arrangement Grant 4,823,748 - Ampferer , et al. April 25, 1 | 1989-04-25 |
| Arrangement for influencing the control times of valves Grant 4,805,566 - Ampferer February 21, 1 | 1989-02-21 |
| Crankshaft of a ferro-metallic material for reciprocating piston internal combustion engines Grant 4,785,772 - Krotky , et al. November 22, 1 | 1988-11-22 |
| Multi-cylinder internal combustion engine Grant 4,759,317 - Ampferer July 26, 1 | 1988-07-26 |
| Method for aligning bearing covers at bearing sections of a crankcase Grant 4,716,638 - Ampferer January 5, 1 | 1988-01-05 |
| Fastening arrangement of a cover hood at a cylinder head Grant 4,709,670 - Ampferer December 1, 1 | 1987-12-01 |
| Crankshaft bearings for internal-combustion engines Grant 4,693,216 - Ampferer , et al. September 15, 1 | 1987-09-15 |
| Oil pressure regulating valve Grant 4,657,043 - Ampferer , et al. April 14, 1 | 1987-04-14 |
| Reciprocating piston internal combustion engine, preferably of four-cylinder construction Grant 4,510,898 - Ampferer April 16, 1 | 1985-04-16 |
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