Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348799 | Method for determining the ion component following a combustion process in a self-igniting internal combustion engine | Ruediger Herweg, Peter Hohner, Gregor Renner, Hartung Wilstermann | 2002-02-19 |
| 6279538 | Method for evaluating an ion current signal of a self-igniting internal combustion engine | Ruediger Herweg, Katsuyoshi Koyanagi, Gerhard Muenkel, Gregor Renner, Hartung Wilstermann | 2001-08-28 |
| 6232704 | Spark plug with specific electrode structure | Ruediger Herweg | 2001-05-15 |
| 6082100 | Method for operating a multicylinder internal combustion engine | Walter Boegner, Frank Duvinage, Walter Friess, Karl-Ernst Haak, Bernd Krutzsch +7 more | 2000-07-04 |
| 4795937 | Spark plug with combined surface and air spark paths | Eberhard P. Wagner, Otto Loffler, Werner Niessner | 1989-01-03 |
| 4727891 | Ignition system | Albert L. Schmidt, Roland Gaisser, Dieter Teutsch, Hans Albrecht, Eberhard P. Wagner | 1988-03-01 |
| 4658185 | Arrangement for the ignition of ignitable mixtures | Hans Albrecht | 1987-04-14 |
| 4566413 | Mixture-compression internal combustion engine | — | 1986-01-28 |