Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173084 | Gas mask | Dirk Feil, Christoph Schmidt, Achim Volmer, Martin Weisgerber | 2019-01-08 |
| 9195307 | Operator control device | Ingo Zoller | 2015-11-24 |
| 8957867 | Haptic operating device | Armin Dietz, Heinz Pofahl, Bruno Santarossa, Josef Werner, Klaus Wittwer | 2015-02-17 |
| 8584865 | Screen | — | 2013-11-19 |
| 8388748 | Process for the preparation of nitrocellulose solutions having a low water content | Holger Tanneberger, Lutz Driesen, Juergen Engelstardt, Hans-Guenter Poersch-Panke | 2013-03-05 |
| 7263755 | Method for the manufacture of fillings for utilization in the mechanical processing of aqueous paper fiber stock | — | 2007-09-04 |
| 7086316 | Vertical lathe | Hans Noss, Hans-Dieter Kellert | 2006-08-08 |
| 6943247 | Building material compositions | Rene Kiesewetter, Hartwig Schlesiger, Martin Morning, Gunter Weber | 2005-09-13 |
| 6593468 | Essentially fiber-free cellulose ether with improved water retention, method for the production and use thereof | Bernd Schriewer, Friedrich-Karl Lampert, Wilhelm Oppermann, Jorn-Bernd Pannek, Rene Kiesewetter | 2003-07-15 |
| 6092286 | Method to fabricate wires and wire fabricated thereby | — | 2000-07-25 |
| 5808052 | Use of cellulose mixed ethers as additives for earth pressure shields | Klaus Szablikowski, Jorn-Bernd Pannek, Rene Kiesewetter | 1998-09-15 |
| 5768783 | Method for fabricating a flat or centripetal wire | — | 1998-06-23 |
| 5385607 | Water-soluble sulphoalkyl hydroxyalkyl derivatives of cellulose and their use in gypsum- and cement-containing compounds | Rene Kiesewetter, Klaus Szablikowski | 1995-01-31 |
| 5358561 | Use of water-soluble sulphoalkyl derivatives of cellulose in gypsum-and cement-containing compounds | Rene Kiesewetter, Klaus Szablikowski | 1994-10-25 |
| 5094360 | Screen basket | — | 1992-03-10 |
| 5090721 | Process for manufacturing a screen basket and screen basket made by this process | — | 1992-02-25 |
| 4749498 | Water-soluble polymers and their use as flushing liquid additives for drilling | Branislav Bohmer | 1988-06-07 |
| 4727116 | Water-soluble polymers and use as building material auxiliaries | Frank Hohl, Klaus Szablikowski | 1988-02-23 |
| 4703087 | Water-soluble polymers and their use as auxiliaries for building materials | Frank Hohl, Klaus Szablikowski | 1987-10-27 |
| 4588772 | Water-soluble, polymer-modified hydroxyalkyl methyl cellulose and its use as an additive for asbestos-free tile adhesive formulations | Branislav Bohmer, Frank Hohl | 1986-05-13 |