Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780254 | Method and facility for lubricating and cleaning filling facilities for beverages or foodstuffs | Harald Kluschanzoff, Thomas Wershofen | 2004-08-24 |
| 5474692 | Lubricant concentrate and an aqueous lubricant solution based on fatty amines, a process for its production and its use | Alfred Laufenberg, Wolfgang Preibsch | 1995-12-12 |
| 5425229 | Process for utilizing the energy contained in the blast furnace gas of a shaft furnace | Paul van Ackeren | 1995-06-20 |
| 5202455 | Process for the liquid-phase preparation of nitriles from aliphatic dicarboxylic acids | — | 1993-04-13 |
| 5062979 | Soap free conveyor lubricant that gives clear solutions in water comprising alkoxyphosphate ester, alkyl benzene sulfonate and carboxylic acid | Rolf Scharf | 1991-11-05 |
| 5060957 | Power-operated chuck | Hans Stolzenberg | 1991-10-29 |
| 4922505 | Plant for utilization of exhaust gases of an electric steel furnace | Paul van Ackeren, Bernfried Stache, Gunter Kleff, Heinrich Becker | 1990-05-01 |
| 4912210 | Process for the preparation of (cyclo)aliphatic uretediones | Josef Disteldorf, Werner Huebel | 1990-03-27 |
| 4898426 | Passenger seat for an airplane | Thilo Schulz, Thomas Schneider | 1990-02-06 |
| 4616754 | Manufacture of tray holder from single molded article | Burno Heinzl, Herbert Frowein, Hartmut Stiegler, Joachim Wurz, Horst Schmidt +1 more | 1986-10-14 |
| 4487078 | Clamping-force transducer for rotating clamping devices | Josef Steinberger | 1984-12-11 |