Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886147 | Brake arrangement | Wilhelm Kroniger, Guenter Aydt | 1989-12-12 |
| 4791098 | 2-methyl-3-(p-methylphenyl)propionitrile, preparation and use thereof as scent | Walter Gramlich | 1988-12-13 |
| 4762222 | Container construction particularly for ammunition | — | 1988-08-09 |
| 4743730 | Device for straightening and cutting metallic wire | Francois Martin | 1988-05-10 |
| 4724137 | s-Triazine derivatives and their use as sun screen agents | Udo Hoppe, Karl Seib, Paul Naegele | 1988-02-09 |
| 4720603 | Preparation of p-cymene and homologous alkylbenzenes | Walter Gramlich | 1988-01-19 |
| 4659893 | Method and apparatus for controlling the gap conditions in travelling wire EDM by electromagnetic force | — | 1987-04-21 |
| 4656272 | Preparation of s-triazine derivatives | Lothar Janitschke | 1987-04-07 |
| 4652717 | Selective power supply for travelling wire EDM apparatus | Jean-Paul Briffod | 1987-03-24 |
| 4620616 | Cooling device for disc brakes, especially for automotive vehicles | — | 1986-11-04 |
| 4617443 | EDM apparatus pulse generator | — | 1986-10-14 |
| 4617390 | S-triazine derivatives | Udo Hoppe, Karl Seib, Paul Naegele | 1986-10-14 |
| 4575605 | Apparatus and method for detecting the location of an electrical discharge along the electrode wire of an EDM apparatus | — | 1986-03-11 |
| 4341939 | Wire electrode for cutting an electrode workpiece by electrical discharges | Jean-Paul Briffod, Jean Pfau, Bernard Bommeli, Danielle Schnellmann | 1982-07-27 |
| 4329558 | Apparatus and process for preventing rupture of the wire electrode of an EDM travelling wire apparatus | — | 1982-05-11 |
| 4263494 | Control means for the relative displacement of the electrodes of an EDM apparatus | — | 1981-04-21 |