Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759796 | Compact spark plug and method for its production | Dittmar Klett, Simon Schmittinger, Dietrich Trachte | 2004-07-06 |
| 6531809 | Spark plug having ground electrode and intermediate electrode separated by insulating body | Werner Herden | 2003-03-11 |
| 6340015 | Fuel injection valve with integrated spark plug | Franz Rieger, Rainer Norgauer | 2002-01-22 |
| 6055955 | Internal combustion engine | Werner Herden, Matthias Kuesell | 2000-05-02 |
| 6045405 | Sensor connector | Hans-Otto Geltsch, Gheorghe Hotea, Fritz Josef Alois Kourimsky, Robert Neuhauser, Matthias Kuesell | 2000-04-04 |
| 5983855 | Fuel injection valve with integrated spark plug | Franz Rieger, Rainer Norgauer, Christian Preussner | 1999-11-16 |
| 5952770 | Spark plug for internal combustion engine | Roland Mueller, Richard Adamczuk, Werner Herden, Manfred Vogel, Andreas Niegel +5 more | 1999-09-14 |
| 5778115 | Arrangement for switching a high-voltage switch by optical energy | Manfred Vogel, Werner Herden, Johann Konrad | 1998-07-07 |
| 5731654 | Spark plug having a creepage spark gap | Manfred Vogel, Dittmar Klett, Werner Herden | 1998-03-24 |
| 5612586 | Spark plug for internal combustion engines | Dittmar Klett, Dietrich Trachte, Hermann Kersting, Roland Mueller, Jochen Fischer | 1997-03-18 |
| 5503023 | Pressure sensor for detecting the pressure in the combustion chamber of internal-combustion engines | Manfred Vogel, Werner Herden, Wolfgang Schmidt, Matthias Kuesell, Frank Stanglmeier | 1996-04-02 |
| 5370100 | Connecting part for ignition device | Werner Herden, Manfred Vogel | 1994-12-06 |
| 5353633 | Pressure sensor for detecting the pressure in combustion chamber of combustion engine | Manfred Vogel, Werner Herden, Johann Konrad, Wolfgang Schmidt, Josef Tosch +1 more | 1994-10-11 |
| 5333592 | Ignition coil for ignition systems in combustion engines | Dieter Betz, Werner Grewe, Gerhard Haist | 1994-08-02 |
| 5315875 | Pressure sensor for detecting the pressure in the combustion chamber of internal-combustion engines | Manfred Vogel, Werner Herden, Johann Konrad, Wolfgang Schmidt, Josef Tosch +1 more | 1994-05-31 |
| 5249468 | Pressure sensor for detecting the pressure in the combustion chamber of internal combustion engines | Manfred Vogel, Werner Herden, Johann Konrad, Wolfgang Schmidt, Josef Tosch +2 more | 1993-10-05 |
| 5199303 | Pressure sensor for determination of pressure in the combustion chamber of an internal combustion engine | Johann Konrad, Matthias Kussel, Wolfgang Schmidt, Josef Tosch, Manfred Vogel +1 more | 1993-04-06 |
| 5044349 | High-voltage switch | Werner Herden | 1991-09-03 |
| 5002034 | High-voltage switch | Werner Herden, Immanuel Krauter | 1991-03-26 |
| 4963112 | Method of production of a spark plug for internal combustion engines | Karl-Hermann Friese, Werner Herden, Dietrich Schuldt, Leo Steinke | 1990-10-16 |
| 4870319 | Spark plug with creepage spark gap | Werner Herden, Jurgen Schmatz, Siegbert Schwab | 1989-09-26 |
| 4798991 | Surface-gap spark plug for internal combustion engines | Gerhard Heess, Werner Herden, Karl-Hermann Friese, Helmut Reum, Jurgen Schmatz +1 more | 1989-01-17 |
| 4746834 | Ignition plug for internal combustion engines | Adalbert Bauerle, Ludwig Barthelma, Werner Herden, Walter Holl, Gerhard Liebing +3 more | 1988-05-24 |
| 4416228 | Separately ignited internal combustion engine with at least one main combustion chamber and an ignition chamber | Reinhard Latsch, Hans Schlembach | 1983-11-22 |
| 4305357 | Internal combustion engine having a main combustion chamber and an ignition chamber associated therewith provided with an ignition device | Dieter Scherenberg | 1981-12-15 |