Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5586433 | Process and apparatus for selective catalyzed no-reduction in oxygen-containing exhaust gases | Walter Boegner, Michael Kraemer, Bernd Krutzsch, Guenter Wenninger, Werner Weisweiler | 1996-12-24 |
| 5529024 | Fuel injection system for an internal-combustion engine | Alois Raab, Wolfgang Lehner | 1996-06-25 |
| 5479902 | Fuel injection system for a diesel engine | Wolfgang Lehner, Alois Raab | 1996-01-02 |
| 5479775 | Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides | Michael Kraemer, Christian Enderle, Walter Friess, Bernd Krutzsch, Gert Withalm +4 more | 1996-01-02 |
| 5458850 | Method and apparatus for reducing exhaust gases particles | Bernd Krutzsch, Guenter Wenninger, Juergen Steinwandel, Rainer Willneff, Theodor Staneff +3 more | 1995-10-17 |
| 5335500 | Internal combustion engine with combined pressure charging | Klaus Wunderlich, Franz Neubrand, Erwin Schmidt, Hans-Wilhelm Buhl, Horst Hanauer | 1994-08-09 |
| 5191862 | Reciprocating piston with variable compression height for internal combustion engines | Martin Bechtold | 1993-03-09 |
| 4979427 | Temperature-sensitive variation of the compression ratio in pistons having variable compression height | Viktor Pfeffer, Klaus Binder | 1990-12-25 |
| 4785790 | Variable compression height piston arrangement | Viktor Pfeffer | 1988-11-22 |
| 4784093 | Arrangement for controlling the oil feed to a control chamber of a piston with variable compression height | Viktor Pfeffer | 1988-11-15 |