Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443756 | Connecting device | Bernd Hagmann, Othmar Gaidosch | 2002-09-03 |
| 6347695 | Disc clutch | Frank Obrist, Oswald Friedmann | 2002-02-19 |
| 6257121 | Piston with piston rod | Frank Obrist | 2001-07-10 |
| 6250204 | Compressor, in particular for a vehicle air conditioning system | Frank Obrist, Jan Hinrichs, Hans-Jurgen Lauth | 2001-06-26 |
| 6213733 | Compressor for the air-conditioning system of a motor vehicle | Frank Obrist, Jan Hinrichs, Hans-Jurgen Lauth | 2001-04-10 |
| 6164252 | Reciprocating piston engine with a swivel disk gear | Roland Cäsar, Frank Obrist | 2000-12-26 |
| 6098518 | Piston with piston rod | Frank Obrist | 2000-08-08 |
| 6092996 | Compressor, particularly for an air conditioning system in a motor vehicle | Frank Obrist, Jan Hinrichs, Hans-Jurgen Lauth | 2000-07-25 |
| 6056517 | Compressor for the air-conditioning system of a motor vehicle | Frank Obrist, Jan Hinrichs, Hans-Jurgen Lauth | 2000-05-02 |
| 5782219 | Reciprocating engine with a wobble plate transmission | Michael Frey, Frank Obrist | 1998-07-21 |
| 5752413 | Reciprocating piston machine with a wobble plate gear | Frank Obrist | 1998-05-19 |
| 5601056 | Device for actuating the valves in internal combustion engines by means of revolving cams | Gerhard Kachel, Helmut Schon | 1997-02-11 |
| 5520578 | Aircraft cabin pressure control system | Alexander Bloch, Hanns-Ulrich Ettl | 1996-05-28 |
| 5431131 | Camshaft for internal combustion engines | Mario Berg, Gerhard Kachel, Helmut Schon | 1995-07-11 |
| 5413357 | Program controlled entertainment and game apparatus | Ullrich Schulze, Horst Niederlein, Armin Frank | 1995-05-09 |
| 5358393 | Internal axis single-rotation machine | — | 1994-10-25 |
| 5255432 | Method for manufacturing a seal between machine parts | Frank Obrist, Michael Frey | 1993-10-26 |
| 5178529 | Seal formed of plastic layer having outwardly open depressions | Frank Obrist, Michael Frey | 1993-01-12 |
| 5147194 | Rotary piston machine with a protuberance in the cylinder wall | Frank Obrist | 1992-09-15 |
| 5119773 | Apparatus for operating the valves on internal combustion engines with a variable valve lift curve | Helmut Schon | 1992-06-09 |
| 4937022 | Process for the continuous cooling and solidification of metal oxides by continuous casting | Rainer Dietrich, Norbert Burkhardt | 1990-06-26 |
| 4847029 | Device for and method of continuous casting molten materials | Rainer Dietrich, Norbert Burkardt | 1989-07-11 |
| 4354173 | Arrangement for obtaining an indication of efficiency of operation of a motor vehicle | Max Kolar, Robert W. Weber, Siegfried Koch | 1982-10-12 |
| 4266130 | Method and apparatus for detecting clear air turbulences | — | 1981-05-05 |