Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087817 | Reciprocating piston internal combustion engine having an ancillary chamber containing a piston, and method for operating the same | — | 2018-10-02 |
| 9284916 | Method for operating a reciprocating piston internal combustion engine with internal exhaust gas energy recuperation and reciprocating piston internal combustion engine | — | 2016-03-15 |
| 9057371 | Method for varying the duration of a supply stroke of a pump element, and a pump device | — | 2015-06-16 |
| 8701616 | Method and device for reducing rotational non-uniformities of the crankshaft of an internal combustion piston engine | Mathias von Essen | 2014-04-22 |
| 7963260 | Switchable valve actuating mechanism | Rüdiger Erz | 2011-06-21 |
| 7950357 | Method for operating an internal combustion engine and an internal combustion engine | — | 2011-05-31 |
| 7780425 | Piston compressor | Armin Zoschke | 2010-08-24 |
| 7055470 | Internal combustion engines having double cylinder units | Mathias von Essen | 2006-06-06 |
| 6923151 | Apparatus for the adjustment of the stroke of a valve actuated by a camshaft | — | 2005-08-02 |
| 6892997 | Method and valve for reducing valve opening and closing time durations | — | 2005-05-17 |
| 6848402 | Methods and apparatus for providing variable valve lift for camshaft-actuated valves | — | 2005-02-01 |
| 6814039 | Valve-actuating devices for internal combustion engines having changeable stroke functions | Joachim Reinicke-Murmann, Rüdiger Erz, Marcel Franssen | 2004-11-09 |
| 6810851 | Supplementary control valve devices for an intake passage of an internal combustion engine | — | 2004-11-02 |
| 6752107 | Apparatus for switching the operation of a change valve of a combustion engine | — | 2004-06-22 |
| 6637405 | Supplemental control valve device for supplemental flow control of an internal combustion engine intake channel | — | 2003-10-28 |
| 6581552 | Apparatus for changing the compression of a cylinder of a piston engine | — | 2003-06-24 |
| 6422184 | Method and apparatus for impulse charging of an internal combustion engine | — | 2002-07-23 |
| 6273116 | Method and device for opening a valve, especially a load changing valve of an internal combustion engine | — | 2001-08-14 |
| 6202607 | Electromagnetically operating device for actuating a valve | — | 2001-03-20 |
| 6186101 | Device for activating and deactivating a load change valve of an internal combustion engine | — | 2001-02-13 |
| 6131545 | Apparatus for switching off a load change valve of an internal combustion engine | — | 2000-10-17 |
| 6067948 | Device for actuating at least one gas exchange valve of an internal combustion engine | — | 2000-05-30 |
| 6009861 | Method of improving the combustion characteristics in an internal combustion engine | — | 2000-01-04 |
| 5960750 | Device for changing compression of a reciprocating piston internal combustion engine | — | 1999-10-05 |
| 5908015 | Arrangement for interrupting the flow of force between a camshaft and a valve | — | 1999-06-01 |