Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386693 | Ink supply tank for an inkjet print head | Helmut Michele, Dirk Klein | 2002-05-14 |
| 6354699 | Procedure for manufacturing an ink cartridge for an inkjet printer | Helmut Michele, Dirk Klein | 2002-03-12 |
| 6343829 | Folding top for a motor vehicle | — | 2002-02-05 |
| 6285150 | Method for controlling the operating voltage of a fan in electrical equipment | Jurgen Adam | 2001-09-04 |
| 6274991 | Method and circuit configuration for detecting the rotational speed of electronically commutated fans | — | 2001-08-14 |
| 5864476 | Power supply apparatus | — | 1999-01-26 |
| 5731671 | Method and circuit arrangement for controlling fans | Jurgen Adam | 1998-03-24 |
| 5671966 | Drive assembly for a folding top of a motor vehicle | — | 1997-09-30 |
| 5650158 | Skin-conditioning succinic acid derivatives | Horst Eierdanz, Holger Tesmann, Walter Knoerr, Rolf Wachter | 1997-07-22 |
| 5291905 | Hair treatment applicator | Klaus Thiele, Horst Hoeffkes | 1994-03-08 |
| 5154193 | Continuous hair dye dispensing device | Klaus Thiele | 1992-10-13 |
| 5151851 | Method and circuit arrangement for generating a sinusoidal line AC voltage from a DC voltage | Helmut Rettenmaier, Willi Sterzik | 1992-09-29 |
| 5128852 | Current-fed push-pull converter | Helmut Rettenmaier | 1992-07-07 |
| 5076298 | Dispenser for multicomponent hair-cosmetic products | Klaus Thiele | 1991-12-31 |
| 4958647 | Applicator for continuous application of hair dye | Klaus Thiele | 1990-09-25 |
| 4874554 | Quaternary ammonium compounds | Fritz Lange, Klaus Thiele | 1989-10-17 |
| 4867183 | Dispenser for hair cosmetics | Klaus Thiele | 1989-09-19 |
| 4830030 | Hair clip applicator for liquids and method | Klaus Thiele | 1989-05-16 |
| 4814101 | Zwitterionic polymers and their use in hair treatment preparations | Ludwig Schieferstein, Horst Hoeffkes, Kurt Seidel, Karl Giede | 1989-03-21 |
| 4803068 | Hair-treatment preparation for improved wet combability | Uwe Ploog, Klaus Thiele, Horst Hoffkes, Karl Giede | 1989-02-07 |
| 4746690 | Water-soluble polymer compositions | Klaus Thiele | 1988-05-24 |
| 4744977 | Quaternary ammonium compound hair conditioners | Hermann Hensen, Horst Rutzen, Dagmar Stuhrmann, Klaus Thiele | 1988-05-17 |
| 4670253 | Method and composition for increasing wet hair combability | Uwe Ploog, Hermann Hensen, Klaus Thiele | 1987-06-02 |
| 4524943 | Injection mold | Karl-Heinz Barbet | 1985-06-25 |
| 4520831 | Plastic hairdressing comb | Henning Schumann, Detlef Fischer, Klaus Thiele | 1985-06-04 |