Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391429 | Spark plug | Detlef Hartmann | 2016-07-12 |
| 6971937 | Method of manufacturing a spark plug for an internal combustion engine | Lars Menken, Bernd Reinsch, Klaus Hrastnik, Klaus Czerwinski | 2005-12-06 |
| 6762539 | Spark plug for an internal combustion engine and method for production of a middle electrode for an internal combustion engine spark plug | Dittmar Klett, Heinz Ulm, Simon Schmittinger, Jochen Fischer | 2004-07-13 |
| 6759796 | Compact spark plug and method for its production | Dittmar Klett, Simon Schmittinger, Walter Benedikt | 2004-07-06 |
| 5952770 | Spark plug for internal combustion engine | Roland Mueller, Richard Adamczuk, Werner Herden, Manfred Vogel, Walter Benedikt +5 more | 1999-09-14 |
| 5612586 | Spark plug for internal combustion engines | Walter Benedikt, Dittmar Klett, Hermann Kersting, Roland Mueller, Jochen Fischer | 1997-03-18 |
| 5609140 | Fuel supply system for an internal combustion engine | Claus Kramer, Armin Verhagen, Gerhard Keuper | 1997-03-11 |
| 5486087 | Unit for delivering fuel from a supply tank to an internal combustion engine | Juergen Treiber, Michael Kuehn, Mathias Rollwage, Willi Strohl | 1996-01-23 |
| 5090883 | Fuel supply assembly for a motor vehicle | Lothar Krauter, Hermann Nusser, Peter Schelhas, Rainer Schillinger, Ulrich Kemmner | 1992-02-25 |
| 4811710 | Fuel injection pump for internal combustion engines | Alfred Schmitt, Gerhard Stumpp, Wolf Wessel | 1989-03-14 |
| 4750462 | Fuel injection apparatus for internal combustion engines | Walter Egler, Jean Leblanc, Helmut Pfeifle, Jean Pigeroulet, Francois Rossignol | 1988-06-14 |
| 4747545 | Fuel injection nozzle for internal combustion engines | Helmut Giess | 1988-05-31 |
| 4725002 | Measuring valve for dosing liquids or gases | — | 1988-02-16 |
| 4653455 | Electrically controlled fuel injection pump for internal combustion engines | Ewald Eblen, Karl Hofmann, Volker Holzgrefe, Jean Pigeroulet, Nestor Rodriguez-Amaya +3 more | 1987-03-31 |
| 4605171 | Fuel injector having fuel-filled damping chamber | Helmut Giess | 1986-08-12 |
| 4598867 | Fuel injection nozzle for internal combustion engines | — | 1986-07-08 |
| 4580728 | Fuel injection nozzle for internal combustion engines | — | 1986-04-08 |
| 4566635 | Fuel injection nozzle for internal combustion engines | — | 1986-01-28 |
| 4545530 | Fuel injection nozzle for internal combustion engines | Karl Hofmann | 1985-10-08 |
| 4516729 | Fuel injection nozzle for internal combustion engines | Paul Fussner, Karl Hofmann, Iwan Komaroff, Katsuoki Itoh, Kurt Seifert +2 more | 1985-05-14 |
| 4482093 | Fuel injection nozzle for internal combustion engines | Martin Hafner, Karl Hofmann, Josef Schlagenhauf, Gerhard Stumpp | 1984-11-13 |
| 4417693 | Fuel injection valve for an internal combustion engine | Paul Fussner, Karl Hofmann, Iwan Komaroff, Kurt Seifert, Wilhelm Vogel +1 more | 1983-11-29 |
| 4353343 | Fuel injection pump for internal combustion engines | — | 1982-10-12 |