Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7009144 | Process for short-time arc welding and short-time arc welding system | Wolfgang Schmidt | 2006-03-07 |
| 7008372 | Artificial endosphincter | Christian Chaussy, Stefan Thüroff | 2006-03-07 |
| 6860687 | Weldable aluminum stud | Michael Krengel | 2005-03-01 |
| 6815631 | Method and device for multiple stage arc-welding | Michael Krengel | 2004-11-09 |
| 6715770 | Cylinder head gasket having a welded-on overlay | — | 2004-04-06 |
| 6207300 | Soldering paste for producing geometrical metal structures with precise contours | Jurgen Koch, Manfred Koschlig, Harald Krappitz, Wolfgang Weber, Klaus Lonne | 2001-03-27 |
| 6180167 | Method of providing a wear-resistant overlay on a metal sealing gasket | Klaus-Peter Majewski, Markus Heilig, Matthias Heike, Klaus Lonne | 2001-01-30 |
| 5938945 | Method of welding weld studs to a workpiece | Jörg Hofmann, Roland Kurz | 1999-08-17 |
| 5585064 | Ventless segmented tire mold and method therefore | Veronique Moris-Herbeuval, Raymond Merx, Helmut Dernbach, Craig David Miller, Bernard Byron Jacobs | 1996-12-17 |
| 5277353 | Stud welding device | Peter-Klaus Budig, Harald Knetsch | 1994-01-11 |
| 5171959 | Arc welding of a weld stud | Harald Knetsch, Wolfgang Obermann, Wolfgang Schmidt | 1992-12-15 |
| 5006686 | Control of stud-welding apparatus | Harald Knetsch | 1991-04-09 |
| 4797529 | Stud welding apparatus | Wolfgang Schmidt | 1989-01-10 |
| 4684594 | Electrophotographic process for preparing printing forms using alkaline decoater solution | Klaus Schoen, Peter Riedel, Juergen Lingnau, Engelbert Pliefke | 1987-08-04 |
| 4486094 | Original holder for a printing plate processing apparatus | Klaus Schoen | 1984-12-04 |
| 4465363 | Cleaning device for cleaning the peripheral surface of a photoconductive drum in an electrophotographic copier | Manfred Gehendges | 1984-08-14 |
| 4430273 | Production of acetic anhydride | Heinz Erpenbach, Klaus Gehrmann, Hans-Klaus Kubbeler | 1984-02-07 |
| 4360195 | Device for aligning and feeding an original | Klaus-Peter Schon | 1982-11-23 |