Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070933 | Electrolytic microfinishing of metallic workpieces | — | 2011-12-06 |
| 6829263 | Semiconductor laser | Hartwig Richter | 2004-12-07 |
| 6461488 | Electrolysis appliance | Matthias Bronold, Frank Mai, Henrik Colell | 2002-10-08 |
| 6311485 | Gas exhaust system | Bernhard Hoffschmidt, Josef Meurer | 2001-11-06 |
| 6282346 | Process for producing optical and/or electro-optical connection | Hartwig Richter | 2001-08-28 |
| 6181855 | Optical and/or electro-optical connection having electromagnetic radiation-produced welds | Hartwig Richter | 2001-01-30 |
| 6173494 | Method of making a valve seat | — | 2001-01-16 |
| 6139405 | Method of making a motor-vehicle brake-disk assembly | — | 2000-10-31 |
| 6098958 | Valve assembly, especially for a fuel-injection valve and method of making same | — | 2000-08-08 |
| 6071180 | Method of surface grinding a flange surface of a wheel hub for an automotive vehicle | — | 2000-06-06 |
| 5947662 | System for holding a thin-walled workpiece during machining | Peter Dinardi, Kenneth J. Sprenger, Timothy S. Guitar | 1999-09-07 |
| 5826866 | System for holding a thin-walled workpiece during machining | Peter Dinardi, Kenneth J. Sprenger, Timothy S. Guitar | 1998-10-27 |
| 5730647 | Apparatus for fine-grinding a crankshaft | Peter Dinardi | 1998-03-24 |
| 5634842 | Apparatus for the precision grinding of conical seats for cylindrical nozzle workpieces | — | 1997-06-03 |
| 5319891 | Method of and tool for fine-machining a part-spherical workpiece | — | 1994-06-14 |
| 5089381 | Silver halide recording material | Hans hlschlager | 1992-02-18 |
| 4906557 | Photographic recording material and process for the production of photographic images | Reinhart Matejec, Hans hlschlager | 1990-03-06 |
| 4877722 | Color photographic recording material developable by heat | Manfred Peters, Kaspar Wingender, Thomas Kaluschke, Sieghart Klotzer | 1989-10-31 |
| 4820616 | Color photographic recording material | Reinhart Matejec, Heinrich Odenwalder, Hans-Joerg Metz | 1989-04-11 |
| 4705747 | Color photographic recording material containing a silver halide emulsion and a process for its production | Sieghart Klotzer, Bruno Mucke, Gunther Mahlberg | 1987-11-10 |
| 4636461 | Photographic recording material | Reinhart Matejec, Lothar Endres | 1987-01-13 |
| 4594027 | Method and apparatus for pipe positioning | — | 1986-06-10 |
| 4495277 | Photographic silver halide emulsion | Sieghart Klotzer, Erik Moisar | 1985-01-22 |
| 4399082 | Blowdown device for steam power plants | Klaus Melchior, Leonhard Slegers | 1983-08-16 |
| 4298683 | Light-sensitive photographic material | Angela Slabik, Bruno Mucke, Erik Moisar, Harald von Rintelen | 1981-11-03 |