Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6066861 | Wavelength-converting casting composition and its use | Klaus Höhn, Alexandra Debray, Peter Schlotter, Ralf Schmidt | 2000-05-23 |
| 5899517 | Stress homogenized rail wheel having a wheel disc connecting wheel hub and wheel rim | Franz Murawa, Wilfried Bittner | 1999-05-04 |
| 5885479 | Production of flame-resistant flexible polyurethane foams | Sarbananda Chakrabarti, Stefan K. Fox, Klaus Schmutzer | 1999-03-23 |
| 5797324 | Drying device for a sheet-fed rotary printing machine | Herbert Schoppe, Michael Rother, Ulrich Jung | 1998-08-25 |
| 5741827 | Production of flame-resistant flexible polyurethane foams | Sarbananda Chakrabarti, Stefan K. Fox, Klaus Schmutzer | 1998-04-21 |
| 5638752 | Multi-color offset printing press for printing and in-line coating | Georg Hartung, Ulrich Jung | 1997-06-17 |
| 5582452 | Member for rubber-sprung rail wheels and rubber-sprung rail wheel | Franz Murawa, Wilfried Bittner, Volker Fischer | 1996-12-10 |
| 5536408 | Hydrophilic, asymmetric, chemically-resistant polyaramide membrane | Reinhard Wagener, Ulrich Delius, Friedrich Herold, Georg-Emerich Miess, Ulrich Meyer-Blumenroth | 1996-07-16 |
| 5429214 | Ventilated brake disc with transverse recesses in radially extending ribs | Wolfgang Wiebelhaus, Hans Rocholl, Manfred Gronemann, Wolfgang Lehmann | 1995-07-04 |
| 5427992 | Process for preparing solutions of oligomeric methylaluminoxanes | Jurgen Graefe, Stefan Gurtzgen, Karl-Heinz Muller, Rolf Schrader | 1995-06-27 |
| 5380898 | Process for preparing trimethylaluminum by reacting methylaluminum chlorides with sodium in solids reactors | Stefan Gurtzgen, Rolf Schrader | 1995-01-10 |
| 5360087 | Assembled brake disc for a disc brake with partial lining | Wolfgang Wiebelhaus, Manfred Gronemann, Wolfgang Lehmann, Hans Rocholl | 1994-11-01 |
| 5359116 | Process for preparing trimethylaluminum by reducing methylaluminum chlorides with sodium using high shearing forces | Ralf Becker, Stefan Gurtzgen, Rolf Schrader | 1994-10-25 |
| 5297660 | Brake ring/hug connection via clamping notches | Wolfgang Wiebelhaus, Manfred Gronemann, Hans Rocholl | 1994-03-29 |
| 5248890 | Valance specific lanthanide doped optoelectronic metal fluoride semiconductor device | Hans Luth, Harald Muller, Ralf Strumpler | 1993-09-28 |
| 4893445 | Construction system | Hans G. Hefer | 1990-01-16 |
| 4812568 | Process for the preparation of 6,13-dihydroquinacridones and quinacridones | Helmut Herzog, Detlef-Ingo Schutze, Reinold Schmitz | 1989-03-14 |
| 4741867 | Process for the preparation of 1-amino-2-bromo-4-hydroxyanthraquinone | Helmut Dittmer, Hubert Schonhagen, Claus Krugermann | 1988-05-03 |
| 4496183 | Vibration-damped wheel for rail vehicles | Willi Kasper, Helmut Licht, Erwin Raquet | 1985-01-29 |
| 4491480 | Grinding aid and mineral mixture containing it | Achim Schenker, Jürgen Schütz | 1985-01-01 |
| 4422343 | Kitchen appliance with interchangable attachments | Gunther Falkenbach, Dieter Seuwen, Hartwig Kahlcke | 1983-12-27 |