Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8378007 | Coloured aqueous polymer dispersions, and production and use of same | Franz-Leo Heinrichs, Anais Bialy, Klaus Saitmacher | 2013-02-19 |
| 8163818 | Coloured aqueous polymer dispersions, and production and use of same | Franz-Leo Heinrichs, Anais Bialy, Klaus Saitmacher | 2012-04-24 |
| 6605444 | Method and device for obtaining and detecting immunologically active substances from the gas phase | Christian Klein, Hans-Peter Josel, Rupert Herrmann, Josef Maier, Harald Ertl +3 more | 2003-08-12 |
| 6514773 | Method of detecting surface contamination by an analyte | Christian Klein, Hans-Peter Josel, Ada Goerlach-Graw, Reinhold Hilpert, Florian Binder +1 more | 2003-02-04 |
| 6117606 | Use of pigment yellow 155 in electrophotographic toners and developers, powder coatings and inkjet inks | Hans-Tobias Macholdt, Ruediger Baur | 2000-09-12 |
| 5980787 | Protective element for an electro-chemical accumulator and process for its fabrication | Martha Maly-Schreiber, Arnold Van Zyl, Reinhold Hilpert | 1999-11-09 |
| 5811207 | Charge exchange body with large active surface and a method for manufacture thereof | Martha Maly-Schreiber, Aronld van Zyl, Reinhold Hilpert | 1998-09-22 |
| 5690529 | Adsorber material, apparatus and process for concentrating and recovering trace materials from the gaseous phase | Helmut Oberpriller, Reinhold Hilpert, Florian Binder, Harald Ertl, Rolf Lerch +3 more | 1997-11-25 |
| 5383961 | Water-soluble sulphur dyes, their preparation and use | Wolfgang Bauer, Gert Nagl, Willi Steckelberg, Wilhelm Mauelshagen | 1995-01-24 |
| 5374302 | Water-insoluble sulphur dyes, their preparation and use | Wolfgang Bauer, Willi Steckelberg, Wilhelm Mauelshagen | 1994-12-20 |
| 5368637 | Water-insoluble sulphur dyes, their preparation and use | Wolfgang Bauer, Willi Steckelberg, Wilhelm Mauelshagen | 1994-11-29 |
| 5169404 | Monoazo dyestuffs for the sublimation transfer process | Ulrich Buhler, Erika Kunz | 1992-12-08 |
| 5110917 | Water-soluble trisazo dyes | Wolfgang Bauer, Willi Steckelberg | 1992-05-05 |
| 5102459 | Use of colorants for recording fluids | Alexander Sieber | 1992-04-07 |
| 5093307 | Use of water-insoluble monoazo dyes of the formula I | Erika Kunz, Ulrich Buhler | 1992-03-03 |
| 4917731 | Water-soluble black trisazo dyestuffs | Wolfgang Bauer, Konstantin Morgenroth, Kuno Reh | 1990-04-17 |
| 4881977 | Water-soluble yellow monoazo dyestuffs | Wolfgang Bauer, Willi Steckelberg | 1989-11-21 |
| 4848560 | Feeding apparatus for grid welding machine | Rudolf Scherr, Klaus Ritter, Gerhard Ritter | 1989-07-18 |
| 4748309 | Multi-spot resistance-welding machine | Gerhard Ritter, Klaus Ritter, Rudolf Scherr | 1988-05-31 |
| 4673786 | Electrical resistance grid welding machine | Hans Gott, Gerhard Ritter, Klaus Ritter | 1987-06-16 |
| 4580458 | Power transmission | Hans Gott, Gerhard Ritter, Klaus Ritter | 1986-04-08 |
| 4526025 | Wire or strip bending mechanism | Klaus Ritter, Gerhard Ritter, Gerhard Schmidt | 1985-07-02 |
| 4506818 | Device for the purpose of pushing sections of a wire through a solid body consisting of yielding material | Gerhard Ritter, Klaus Ritter, Edgar Pollhammer | 1985-03-26 |
| 4468550 | Multispotwelding machine for the production of grids or gratings | Hans Gott, Rudolf Scherr, Klaus Ritter, Gerhard Ritter | 1984-08-28 |
| 4466304 | Power transmission | Hans Gott, Gerhard Ritter, Klaus Ritter | 1984-08-21 |