Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5126665 | Device for measuring an angle of rotation of a rotatable structural element | Hansjorg Hachtel | 1992-06-30 |
| 5107212 | Measuring arrangement having axially and radially offset sensor coils for contactless determination of rotation angle | Hansjoerg Hachtel | 1992-04-21 |
| 5083468 | Device for measuring rotation angle and/or torque | Hansjorg Hachtel | 1992-01-28 |
| 5083084 | Device for contactless measuring of rotational angle or rotational speed | Hans-Peter Bauer, Hansjorg Hachtel | 1992-01-21 |
| 5056016 | Device for determining geometric parameters of a structural element | Hansjoerg Hachtel | 1991-10-08 |
| 5051694 | Device having oppositely spaced coils for determining a shape of screw parts | Hansjoerg Hachtel | 1991-09-24 |
| 5025213 | Device for determining a length of linear movement or an angle of rotation of a machine part | Hansjorg Hachtel | 1991-06-18 |
| 4976160 | Process for contactless measurement of mechanical stress and device for carrying out the same | Hansjorg Hachtel, Georg Zimmermann | 1990-12-11 |
| 4890498 | Pressure sensor | Jurgen Wendel | 1990-01-02 |
| 4866418 | Arrangement for automatic release of occupant protecting devices in the event of accident | Hansjorg Hachtel | 1989-09-12 |
| 4784237 | Apparatus for automatic release of passenger protection devices in the event of an accident | Claus Condne, Hansjorg Hachtel, Bernhard Mattes, Wadym Suchowerskyj | 1988-11-15 |
| 4587840 | Pressure sensor for installation in a wall element subjected to pressure of a fluid medium, such as a hydraulic pressure line, e.g. in diesel fuel injection systems | Werner Grunwald | 1986-05-13 |
| 4574237 | Rotary speed measuring apparatus | Hansjorg Hachtel | 1986-03-04 |
| 4549430 | Sensor | Rudolf Heinz, Ulrich Schoor, Thomas Frey | 1985-10-29 |
| 4494401 | Pressure sensor for the combustion chamber of an internal combustion engine | Ulrich Schoor, Rudolf Heinz, Thomas Frey, Werner Grunwald | 1985-01-22 |
| 4478613 | Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion engine | Johannes Brettschneider, Gottlob Haag, Ernst Linder, Wilhelm Polach | 1984-10-23 |
| 4448084 | Non-contacting shaft position sensor | Hansjorg Hachtel | 1984-05-15 |
| 4417208 | Apparatus for contactless distance and/or speed measurement | Hansjorg Hachtel | 1983-11-22 |
| 4356732 | Torque and torsion angle measuring apparatus | Hansjorg Hachtel | 1982-11-02 |
| 4356979 | Fuel injection nozzle | — | 1982-11-02 |
| 4312215 | Apparatus for detecting pressure fluctuations in the combustion chamber of an internal combustion engine | Christian Zrenner, Gunter Schirmer, Alfred Kizler | 1982-01-26 |
| 4307603 | Apparatus for detecting pressure fluctuations in the combustion chamber of an internal combustion engine | Christian Zrenner, Gunter Schirmer, Alfred Kizler | 1981-12-29 |
| 4232545 | Apparatus for detecting pressure fluctuations in the combustion chamber of an internal combustion engine | Christian Zrenner, Gunter Schirmer, Alfred Kizler | 1980-11-11 |