Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457957 | Method and apparatus for heating a catalytic converter upon cold engine starting | Armin Schurfeld | 1995-10-17 |
| 5417059 | Burner system for detoxification or cleaning the exhaust gases of an internal combustion engine | Armin Schurfeld, Riedel Rottges, Matthias Hullmann | 1995-05-23 |
| 5315867 | Apparatus for measuring the fraction of liquid fuel in a fuel tank | Karl-Heinrich Losing, Armin Schurfeld, Johann Blasczyk, Harald Kerkmann | 1994-05-31 |
| 5245870 | Apparatus for measuring the fraction of liquid fuel in a fuel tank | Karl-Heinrich Losing, Armin Schurfeld, Johann Blasczyk, Harald Kerkmann | 1993-09-21 |
| 5182942 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine | Armin Schurfeld, Karl-Heinrich Losing, Dieter Thonnesen, Ulrich Remde | 1993-02-02 |
| 5159898 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine | Armin Schurfeld, Karl-Henrich Losing, Dieter Thonnessen, Ulrich Remde | 1992-11-03 |
| 4766865 | Device for determining the position of a crankshaft in relation to the cylinder | — | 1988-08-30 |
| 4439376 | Flow proportioning device | Armin Schurfeld | 1984-03-27 |
| 4434772 | Combustion mixture generator for internal combustion engines | Werner Schiele, Armin Schurfeld, Valerio Bianchi, Anwar Abidin | 1984-03-06 |
| 4420439 | Constant pressure carburettors | Armin Schurfeld, Anwar Abidin | 1983-12-13 |
| 4377998 | Method and apparatus for varying the spacing of sequential ignition control pulses emitted by an ignition pulse transducer | Manfred Henning | 1983-03-29 |
| 4359433 | Constant-pressure carburetor | — | 1982-11-16 |
| 4354383 | Method of and device for measuring the amount of liquid fuel in a tank | — | 1982-10-19 |