Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5924394 | Rotary/linear converter | — | 1999-07-20 |
| 5899112 | Rotary/linear converter | — | 1999-05-04 |
| 5393308 | Mixtures of azo dyes for navy to black shades | Arno Lange, Volker Bach, Clemens Grund, Helmut Reichelt | 1995-02-28 |
| 4796514 | Rotary/linear convertor | — | 1989-01-10 |
| 4294576 | Removal of oligomer deposits from textile materials | Herbert Helfert, Friedrich Reinert, Michele Vescia, Dieter Wegerle | 1981-10-13 |