Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742023 | Method for monitoring a welding machine, method for regulating the welding machine and device for carrying out the method | — | 1998-04-21 |
| 5726409 | Process and device for determining a temperature at a spot weld and process for evaluating the quality of the spot weld | Volkhard Kunnemann | 1998-03-10 |
| 5721415 | Method and apparatus for determining an evaluation time interval and method and apparatus for assessing the quality of a spot weld based on a variation in temperature in the evaluation time interval | Volkhard Kunnemann | 1998-02-24 |
| 5399827 | Method and device for determining the temperature at a spot-welded joint and a method for assessing the quality of a spot-welded joint | — | 1995-03-21 |
| 5318278 | Apparatus for making mixtures of reactive melts | Rolf Bettinger, Klaus Seidler, Wolfgang Vogel, Dirk Möller | 1994-06-07 |
| 4848408 | Multi-layer compensator with spacers arranged between the layers | Siegbert Lehmann | 1989-07-18 |
| 4683419 | Method and apparatus for detecting faults in a structure by measuring voltage drop between surface points thereof | Rolf Neuelmann | 1987-07-28 |