Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746748 | Coupling system, distributor, pipe system, and pipe offset system | Thomas Kern-Emmerich, Jorg Keller | 2014-06-10 |
| 8596687 | Press fitting for a pipe, particularly a plastic pipe or a plastic and metal composite pipe | Thomas Kern-Emmerich, Bernd Kaufmann, Markus Friedrichs | 2013-12-03 |
| 7208107 | Method and device for producing spherical particles from a polymer melt | Theodor Jurgens | 2007-04-24 |
| 6149847 | Method of and apparatus for the production of polyester yarn | Ingo Efflander, Jurgen Hartig | 2000-11-21 |
| 5965073 | Process and device for producing polyester yarns | Jurgen Hartig, Ingo Eiflander | 1999-10-12 |
| 5743706 | Method of and apparatus for automatic handling of test pieces | Christian Happ | 1998-04-28 |
| 5635590 | Process and polycondensation apparatus for the treatment of contaminated ethylene glycol | Jurgen Rink, Klaus Stemmer | 1997-06-03 |
| 5596068 | Polyester resin for producing articles having high transparency and a neutral color | Wolfgang Kramer, Wilhelm W ullscheidt, Theodor J urgens, Klaus Kleinecke | 1997-01-21 |
| 5128021 | Pitch from coal tar pitch, method of its production, as well as application of such pitch material | Ingo Romey, Rolf Helmut Joest, Wilhelm Wullscheidt | 1992-07-07 |
| 4569811 | Method of making a staple-fiber band | — | 1986-02-11 |