Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7605292 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger, Thomas Danner | 2009-10-20 |
| 7572941 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger | 2009-08-11 |
| 7538254 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger, Thomas Danner | 2009-05-26 |
| 7524996 | Method for the separation of polymeric by-products from 1,4-butynediol | Rudolf Erich Lorenz, Rolf Pinkos, Michael Steiniger | 2009-04-28 |
| 5647417 | Long-timber chipping machine | Karl Schaefer | 1997-07-15 |
| 5074945 | Process and device for producing a coherent web from long slivers | Karl Schaefer | 1991-12-24 |
| 4413788 | Device for the feeding of enamel to an electrostatic paint emitter | Winfried Ott, Gunther Fleig | 1983-11-08 |