Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353053 | Method and device for producing polyurethanes containing filling materials | Wolfgang Friedrichs, Uwe Kunzel, Klaus Schulte | 2002-03-05 |
| 6297342 | Method and mixing head for producing a reaction mixture from an isocyanate and a higher-viscous polyol formulation | Klaus Schulte, Wolfgang Friederichs, Uwe Kunzel, Hans-Ulrich Weber | 2001-10-02 |
| 5411389 | Apparatus for the continuous production of foamed plastics | Ingo Kellerhof, Hans-Dieter Pfeil | 1995-05-02 |
| 5382603 | Process and apparatus for the preparation of a polyurethane reaction mixture | Wilfried Ebeling, Jurgen Fietz, Hans-Michael Sulzbach, Reiner Raffel, Ferdinand Althausen | 1995-01-17 |
| 5196239 | Process for uniform distribution of a free-flowing reaction mixture onto a continuously transported substrate | — | 1993-03-23 |
| 5061453 | Apparatus for the continuous charging of a liquid reactant with gas for the production of a foamable, liquid reaction mixture | Klaus Schulte | 1991-10-29 |
| 5002704 | Apparatus for the production of a flowable mixture which reacts to form foam from flowable components stored in storage containers | Hans-Michael Sulzbach, Klaus Schulte | 1991-03-26 |
| 4973608 | Process and apparatus for charging a liquid reactant with gas | Klaus Schulte | 1990-11-27 |
| 4948815 | Process for charging at least one component with gas in the preparation of cellular plastics | Klaus Schulte | 1990-08-14 |
| 4933115 | Process for the production of a flowable mixture which reacts to form foam from flowable components stored in storage containers | Hans-Michael Sulzbach, Klaus Schulte | 1990-06-12 |
| 4931480 | Process for the preparation of polyurethane foams | Klaus Schulte, Erwin Hoffmann, Rolf Wiedermann | 1990-06-05 |
| 4900593 | Process and device for applying a free-flowing reaction mixture | — | 1990-02-13 |
| 4846099 | Apparatus for applying a foam-forming flowable reaction mixture to a substrate | Karl D. Kreuer, Erwin Hoffmann | 1989-07-11 |
| 4413912 | Apparatus for the production of a reaction mixture | Frank Redmer | 1983-11-08 |
| 4270889 | Equipment for the continuous production of foam boards | Erwin Hoffmann, Karl J. Kraft, Gerd Gabrysch, Frank Redmer | 1981-06-02 |