Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803430 | Method and apparatus for diverting electrostatic charges in inlet pipe made at least in part of a plastic material | — | 1998-09-08 |
| 5566656 | Control system for a butterfly valve | — | 1996-10-22 |
| 5297522 | Throttle valve | — | 1994-03-29 |
| 5076231 | Method and apparatus for mechanical override control of electronic throttle valve operation during emergencies | — | 1991-12-31 |
| 5018496 | Method and apparatus for throttle valve control in internal combustion engines | — | 1991-05-28 |
| 4970622 | Method and apparatus for controlling the operation of an electromagnet | — | 1990-11-13 |
| 4930609 | Gearshift lever interlock | Wilhelm Bois, Franz Amberger | 1990-06-05 |
| 4885658 | Apparatus for controlling the operation of an electromagnetic fuel intake or exhaust valve of an internal combustion engine | — | 1989-12-05 |
| 4846120 | Method of operating an internal combustion engine | — | 1989-07-11 |
| 4841923 | Method for operating I.C. engine inlet valves | — | 1989-06-27 |
| 4823825 | Method of operating an electromagnetically actuated fuel intake or exhaust valve of an internal combustion engine | — | 1989-04-25 |
| 4715330 | Electromagnetically-actuated positioning mechanism | — | 1987-12-29 |
| 4706619 | Automotive valve actuation method | — | 1987-11-17 |
| 4544986 | Method of activating an electromagnetic positioning means and apparatus for carrying out the method | — | 1985-10-01 |
| 4388574 | Control circuit for variable-speed windshield wiper | Wilhelm Bois | 1983-06-14 |