Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7980497 | Pulper for comminuting and suspending paper stock and its use | Andreas Steidele, Gert Gottschalk, Roland Reinhold | 2011-07-19 |
| 7721895 | Screening device for wet screening of paper fiber suspensions | Roland Reinhold, Gert Gottschalk | 2010-05-25 |
| 7687568 | Polyester colorant concentrate | Harald Eckhardt, Hans-Peter Koenig, Nathalie Fischbach, Franz Thurnherr | 2010-03-30 |
| 7342061 | Method for producing organic compounds containing poly-DOPO, and the use of the same | Erich Meusel, Klaus Heinemann, Eberhard Taeger | 2008-03-11 |
| 7009027 | Method for producing meltable polyesters | Klaus Heinemann, Eberhard Taeger, Erich Meusel | 2006-03-07 |
| 6140428 | Simultaneous production of dicarboxylic acids and diamines by splitting polyamides into their monomeric constituents | Ursula Seeliger, Frank Heimann, Guenther Huber, Wolfgang Habermann, Hartwig Voss +1 more | 2000-10-31 |
| 5893505 | Guide for a material web | — | 1999-04-13 |
| 5735060 | Dryer section including a device and method for transferring a strip of paper from a first treatment station to a second treatment station in a paper machine | Erlfried Atzinger, Hans-Peter Sollinger, Gerhard Kotitschke, Hans-Jurgen Wulz, Peter Kahl | 1998-04-07 |
| 5600897 | Mixed dryer section including single-tier and double-tier drying groups with automatic ropeless threading | Hans-Peter Sollinger, Gerhard Kotitschke, Hans-Jurgen Wulz, Peter Kahl | 1997-02-11 |
| 5515619 | Flexibly mounted sealing strips of a vacuum roll for a web dryer | Peter Kahl, Karl-Heinz Klein, Helmut Grimm | 1996-05-14 |
| 5482998 | Thermoplastic molding materials based on partly aromatic copolyamides and polyolefins | Klaus Muehlbach, Petra Baierweck, Gerd Blinne, Gerhard G. Ramlow | 1996-01-09 |
| 5162422 | Thermoplastic polypropylene-polyamide molding compositions of high toughness, rigidity and heat-distortion resistance, and the preparation thereof | Dietrich Lausberg, Erhard Seiler | 1992-11-10 |
| 5140098 | Continuous preparation of linear high molecular weight polyamides having regulated amino and carboxyl end group content | Gunter Pipper, Peter Hildenbrand | 1992-08-18 |
| 5128442 | Catalytic, solid state process for the preparation of linear polyamides | Gunter Pipper, Harald Dauns | 1992-07-07 |
| 5111723 | Punch apparatus with positive slug removal | Franz Andrusch, Siegfried Beerhalter, Felix B. Zykoff | 1992-05-12 |
| 5024127 | Punching mechanism | George G. Popp, George B. VanderGheynst | 1991-06-18 |
| 5003010 | Salts of polyvalent cations with block polymers of vinylaromatics and conjugated dienes | Klaus Bronstert | 1991-03-26 |
| 4921775 | Elements having layers containing mixtures which can be crosslinked by photopolymerization | Peter Richter, Gerhard Hoffmann, Klaus Bronstert, Karl Gerberding | 1990-05-01 |
| 4916045 | Photosensitive recording element containing an ionic polymer | Horst Koch, Reiner Hofmann, Peter Richter | 1990-04-10 |
| 4896602 | Method of and a circuit for metering ink in printing machines | Arndt Jentzsch, Falko Missbach, Volker Eichler | 1990-01-30 |
| 4867062 | Method of and a circuit for metering ink in rotary printing machines | Arndt Jentzsch, Falko Missbach, Volker Eichler | 1989-09-19 |
| 4835221 | Salts of polyvalent cations of polymers of conjugated dienes | Klaus Bronstert | 1989-05-30 |
| 4697058 | Microweld apparatus with an improved electrode tip design and tip support | — | 1987-09-29 |
| 4430417 | Photopolymerizable mixtures containing elastomeric block polymers and photocurable elements produced therefrom | Gerhard Heinz, Peter Richter | 1984-02-07 |
| 4425829 | Punch apparatus | John R. Kranik, George E. Melvin | 1984-01-17 |