Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047916 | Two-stroke internal combustion engine with free opposed pistons | Peter Hofbauer | 2006-05-23 |
| 6568359 | Piston internal combustion engine with pressure relief gas exhaust valves | Wolfgang Salber, Thomas Esch, Frank van der Staay, Oliver Lang | 2003-05-27 |
| 6003481 | Electromagnetic actuator with impact damping | Martin Pischinger, Thomas Esch, Guenter Schmitz | 1999-12-21 |
| 5934231 | Method of initiating motion of a cylinder valve actuated by an electromagnetic actuator | Guenter Schmitz | 1999-08-10 |
| 5920247 | Actuator having a movable transmitting element with frictionless guidance | Martin Pischinger | 1999-07-06 |
| 5890466 | Device for injecting fuel at the exhaust port of an engine cylinder | — | 1999-04-06 |
| 5878704 | Electromagnetic actuator, including sound muffling means, for operating a cylinder valve | Michael Schebitz | 1999-03-09 |
| 5868108 | Method for controlling an electromagnetic actuator operating an engine valve | Gunter Schmitz | 1999-02-09 |
| 5797360 | Method for controlling cylinder valve drives in a piston-type internal combustion engine | Matthias Schneider, Guenter Schmitz, Martin Pischinger, Thomas Esch | 1998-08-25 |
| 5711259 | Method of measuring a valve play of an engine-cylinder valve operated by an electromagnetic actuator | Gunter Schmitz, Martin Pischinger | 1998-01-27 |
| 5671600 | Method of reducing the NO.sub.x emission of a supercharged piston-type internal combustion engine | Manfred Dürnholz, Gerhard Lepperhoff, Georg Huthwohl | 1997-09-30 |
| 5588504 | Process and arrangement for supplying lubricant to a reciprocating piston engine | Leo Spiegel | 1996-12-31 |
| 5472462 | Filter arrangement for removal of soot particles from the exhaust gases of an internal combustion engine | Gerhard Lepperhoff, Georg Huthwohl, Rolf Backes | 1995-12-05 |
| 5400970 | Device for the combined blowoff of fuel and air | Norbert Alt, Gunter Gurich, Michael Huser, Leo Spiegel | 1995-03-28 |
| 5271265 | Process and device for sensing and evaluating knocking combustion during operation of an internal combustion engine | Hans-Peter Kollmeier | 1993-12-21 |
| 5211146 | Inlet control mechanism for internal combustion engine | — | 1993-05-18 |
| 5005402 | Measuring cell for determinating the alcohol content and/or calorific value of fuels | Ernst Scheid, Ulrich Hilger, Gunter Schmitz | 1991-04-09 |
| 4918982 | Device for measuring and transmitting the combustion radiation in the combustion chamber of combustion engines | Ulrich Spicher, Georg Heuser | 1990-04-24 |
| 4897096 | System for the regeneration of a particulate filter trap | Gerhard Lepperhoff | 1990-01-30 |
| 4756285 | Combustion process for internal combustion engine | — | 1988-07-12 |
| 4730454 | Process and system for the oxidation of engine emission particulates deposited in a particulate filter trap | Gerhard Lepperhoff | 1988-03-15 |
| 4730455 | Process and system for the regeneration of particulate filter traps | Gerhard Lepperhoff | 1988-03-15 |
| 4709547 | Process for the regeneration of engine emission particulates deposited in a particulate trap | Gerhard Lepperhoff, Georg Huthwohl | 1987-12-01 |
| 4700684 | Method of controlling reciprocating four-stroke internal combustion engines | Peter Kreuter | 1987-10-20 |
| 4696270 | Combustion process for internal combustion engine | — | 1987-09-29 |