Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7288308 | Floor covering of an elastomer material having a textured surface | Alfons Butscher, Peter Spissinger | 2007-10-30 |
| 6959652 | Table or workbench covering | Hans-Michael Kuhl | 2005-11-01 |
| 6815042 | Floor covering | Klaus Heckel | 2004-11-09 |
| 6709732 | Web-type floor covering and method for its manufacture | Klaus Heckel, Dieter Rischer, Gerhard Heidecke | 2004-03-23 |
| 6695999 | Method of making an electrically conductive floor covering | Hans-Michael Kuhl, Peter Platzer, Ralf Möller | 2004-02-24 |
| 6503424 | Multicolored patterned floor covering and method for manufacture | Klaus Heckel, Dieter Rischer, Thorsten Nahe, Helmut Grunhag | 2003-01-07 |
| 6251321 | Process of making a homogeneous floor covering | Hans-Michael Kuhl, Klaus Heckel | 2001-06-26 |
| 6221462 | Multicolored patterned floor covering and method for manufacture | Klaus Heckel, Dieter Rischer, Thorsten Nahe, Helmut Grunhag | 2001-04-24 |
| 5824735 | Moire floor covering and method for its manufacture | Klaus Heckel, Alfons Butscher, Torsten Nahe | 1998-10-20 |
| 5298210 | Method for suppressing bubbles in calendered elastomer | Klaus Heckel, Herbert Arnold | 1994-03-29 |
| 5049431 | Multi-colored floor covering and method of manufacturing it | Klaus Heckel, Hans-Michael Kuhl | 1991-09-17 |
| 4740335 | Process for producing a deep-drawn article from a partially-crystalline polymeric material | Hans-Gunter Scholz | 1988-04-26 |
| 4731139 | Method for preparing an embossed laminate containing at least two layers | Ulrich Feyerabend | 1988-03-15 |
| 4670075 | Method of manufacturing light-colored electrically-conductive floor covering | Klaus Heckel, Hans-Michael Kuhl | 1987-06-02 |
| 4396568 | Method for the manufacture of a relief-like profiled outer sole of a cross-linked ethylene-co-vinyl acetate (EVA) foamed with closed cells | Rudiger Voll, Walter Hoche | 1983-08-02 |