Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502196 | Method for manufacturing an insulated fuel injection nozzle device | Helmut Busch | 1985-03-05 |
| 4465237 | Injection system for injecting two fuels through one injection nozzle | — | 1984-08-14 |
| 4453510 | Reciprocating piston internal combustion engine | — | 1984-06-12 |
| 4434940 | Insulated fuel injection nozzle device and method for manufacturing same | Helmut Busch | 1984-03-06 |
| 4274375 | Piston, especially for internal combustion engines | Helmut Busch | 1981-06-23 |