Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821363 | Procedure for hardening at least one surface of a wall of a component and device for its execution | Hans-Jürgen Leissner, Peter Schulte, Richard Dyksik | 2004-11-23 |
| 6638379 | Method and device for hardening bearing surfaces of crankshafts | Peter Schulte, Hans-Jürgen Leissner | 2003-10-28 |
| 6399928 | Device for hardening cylindrical bearing points of a shaft | Ludwin Hackenberger, Hans-Jürgen Leisner | 2002-06-04 |
| 6259076 | Method for hardening camshafts and linear inductor for the implementation of said method | Hans-Jürgen Leisner, Peter Schulte | 2001-07-10 |
| 6140625 | Device for rotating and simultaneous hardening by electric induction | Axel von Starck | 2000-10-31 |
| 5345065 | Inductor with variable active length | Friedhelm Reinke, Jürgen Leisner | 1994-09-06 |