Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982143 | Phase control circuit for protection of a motor against thermal overload | Friedrich Hornung | 1991-01-01 |
| 4722021 | Safety circuit for hand tools, and method for safe operation thereof | Friedrich Hornung, Fritz Schadlich, Klaus Gunther | 1988-01-26 |
| 4392093 | Electronic control and regulating system | Kurt Paule, Fritz Schadlich, Friedrich Hornung | 1983-07-05 |
| 4213077 | Speed control circuit for a universal electric motor | Friedrich Hornung | 1980-07-15 |