Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7118369 | Corrugated pipe plant | Michael Hurler | 2006-10-10 |
| 6619162 | Device for cutting tubes | — | 2003-09-16 |
| 6586490 | Polyol mixture for the preparation of rigid polyurethane foams | Torsten Heinemann, Manfred Dietrich | 2003-07-01 |
| 6509387 | Process for preparing rigid foamed materials containing urethane groups | Norbert Eisen, Gerhard Heilig | 2003-01-21 |
| 6472449 | Compressed, rigid polyurethane foams | Torsten Heinemann, Walter Klan | 2002-10-29 |
| 6322869 | Combined polystyrene and polyurethane vacuum insulating panel and the use thereof for producing insulating elements | — | 2001-11-27 |
| 6164030 | Fixed vacuum insulation panel | — | 2000-12-26 |
| 6143389 | Heat-insulating body | Heinz Thomas | 2000-11-07 |
| 6107359 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams | Manfred Dietrich, Wilhelm Lamberts, Walter Klan | 2000-08-22 |
| 6063471 | Heat insulating bodies | Heinz Thomas, Hanns I. Sachs | 2000-05-16 |
| 5962542 | Process for producing hydrocarbon-blown hard polyurethane foams | Norbert Eisen, Gerhard Heilig | 1999-10-05 |
| 5886062 | Process for the production of rigid polyurethane foams | Torsten Heinemann, Manfred Dietrich | 1999-03-23 |
| 5840781 | Polyether polyols, polyol formulation containing them and their use in the production of hard polyurethane foams | Manfred Dietrich, Wilhelm Lamberts, Walter Klan | 1998-11-24 |
| 5773044 | Apparatus for the manufacture of corrugated tubing from thermoplastic synthetic resin | Michael Hurler, Hubert M. Drossbach | 1998-06-30 |
| 5522718 | Apparatus for the production of corrugated tubing from thermoplastic synthetic resin | — | 1996-06-04 |
| 5255434 | Process and apparatus for the continuous production of an irrigating tube | Fritz P. Sorgel | 1993-10-26 |