Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10320255 | Wave winding having a low cogging torque, stator and electric machine comprising a wave winding of said type | Hauke Einfeld | 2019-06-11 |
| 8397892 | Clutch support | Thomas B. Martin, Patrick Isele, Friedel Lauscher | 2013-03-19 |
| 8274186 | Hybrid drive train and electrical machine | Uli Christian Blessing, Bernd Blankenbach, Benjamin Kesel, Kevin Gutmann, Matthias Doelling +1 more | 2012-09-25 |
| 6854739 | Sealing ring | Andreas Schleth, Hans-Walter Brenner | 2005-02-15 |
| 6854340 | Flow measuring device | Volker Nestle | 2005-02-15 |
| 5809442 | Multiple ratio transmission having swap-shift controls with optimum ratio upshifts | Johann Kirchhoffer, Stefan Huepkes | 1998-09-15 |
| 5758302 | Shift control system for a multiple ratio automatic transmission | Johann Kirchhoffer | 1998-05-26 |
| 5646842 | Shift control system for a multiple ratio automatic transmission | Johann Kirchhoffer | 1997-07-08 |
| 5642283 | Multiple ratio transmission with swap-shift controls | Johann Kirchhoffer, Stefan Huepkes | 1997-06-24 |
| 5621350 | Circuit for amplifying a weak dircet voltage signal | — | 1997-04-15 |
| 5612874 | Multiple ratio automatic transmission with solenoid operated valves for effecting pressure buildup | Johann Kirchhoffer | 1997-03-18 |
| 5586029 | Shift control system for a multiple ratio automatic transmission with manual ratio ranges | Johann Kirchhoffer | 1996-12-17 |
| 5553694 | Multiple ratio automatic transmission and torque converter | Johann Kirchhoffer, Hans-Peter Wirtz | 1996-09-10 |
| 5058716 | Control system for a hydrokinetic torque converter lock-up clutch | Wolfgang V. D. Lippe, Sieghart Biederman, Hans-Peter Wirtz, Johann Kirchhoffer | 1991-10-22 |
| 4966050 | Control valve for reducing harshness of engagement of an automatic transmission clutch | Johann Kirchhoffer, Kurt Graef | 1990-10-30 |
| 4667516 | Circuit arrangement for compensating for the temperature dependence of the sensitivity and the null point of a piezoresistive pressure sensor | — | 1987-05-26 |
| 4623767 | Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors | — | 1986-11-18 |
| 4603294 | Measuring device for the accurate adjustment of the start-of-measurement of a measuring transducer | — | 1986-07-29 |
| 4539448 | Disconnect switch for metal-clad, pressurized-gas insulated, high-voltage switchgear installation | — | 1985-09-03 |