Issued Patents All Time
Showing 51–75 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255070 | Internal combustion engine | — | 2007-08-14 |
| 7207299 | Internal combustion engine | — | 2007-04-24 |
| 7047916 | Two-stroke internal combustion engine with free opposed pistons | Franz Pischinger | 2006-05-23 |
| 6973898 | Piston stopper for a free piston engine | Adrain Tusinean, Lixin Peng | 2005-12-13 |
| 6971341 | Piston lubrication for a free piston engine | Kevin B. Fuqua | 2005-12-06 |
| 6959672 | Fuel injection for a free piston engine | Lixin Peng, Jialin Yang | 2005-11-01 |
| 6953010 | Opposed piston opposed cylinder free piston engine | — | 2005-10-11 |
| 6904876 | Sodium cooled pistons for a free piston engine | Adrain Tusinean | 2005-06-14 |
| 6722458 | Multi-engine drive system for a vehicle | — | 2004-04-20 |
| 6651431 | Boosted internal combustion engines and air compressors used therein | Jialin Yang, Lixin Peng | 2003-11-25 |
| 6170443 | Internal combustion engine with a single crankshaft and having opposed cylinders with opposed pistons | — | 2001-01-09 |
| 5794444 | Method for utilizing waste-gas heat from heat-generating and refrigerating machines | Klaus Heikrodt, Rolf-Peter Strauss, Bernd Thomas | 1998-08-18 |
| 5715683 | Heating and cooling machine | Klaus Heikrodt | 1998-02-10 |
| 5675974 | Heat exchanger | Klaus Heikrodt | 1997-10-14 |
| 5474443 | Radiant burner for boilers | Hans Viessmann | 1995-12-12 |
| 5453004 | Method for operation of an oil evaporation burner and an oil evaporation burner for carrying out the method | — | 1995-09-26 |
| 4690118 | Device for continuous fuel injection | Jurgen Sandhagen | 1987-09-01 |
| 4685328 | Capillary viscometer | Horst Huebner, Guenter Tauber, Roland Glatzer, Guenther Beintze, Dieter Wagner +1 more | 1987-08-11 |
| 4590902 | Internal combustion engine | Klaus Zimmermann | 1986-05-27 |
| 4531605 | Arrangement for driving the generator of a vehicle, in particular a passenger automobile | Romanus Scholz, Paulus Heidemeyer | 1985-07-30 |
| 4470377 | Intake manifold for an internal-combustion engine with spark ignition | — | 1984-09-11 |
| 4445601 | Vehicle having a main clutch and an auxiliary controllable clutch | Paulus Heidemeyer, Romanus Scholz | 1984-05-01 |
| 4437443 | Fuel injection device | — | 1984-03-20 |
| 4392394 | Engine-gear arrangement for vehicles, in particular passenger cars | Romanus Scholz, Paulus Heidemeyer, Frank Zimmermann | 1983-07-12 |
| 4372257 | Drive aggregate for a heat pump | Erich Gaschler, Cornelia Schwarz | 1983-02-08 |