Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783450 | For grinding wheel for grinding process | — | 2004-08-31 |
| 5885132 | Method and apparatus for machining an annular layer of boron nitride or diamonds of grinding discs | — | 1999-03-23 |
| 5853319 | Grinding tool | — | 1998-12-29 |
| 5645476 | Grinding wheel for grinding edges of eye glasses | — | 1997-07-08 |
| 5298467 | Granulated product composed of silicon carbide powder and silicon carbide ceramic formed therefrom | Antonio Hurtado, Hans R. Dose, Zeynel Alkan, Wolfgang Habel, Christoph Nover | 1994-03-29 |
| 5175020 | Process for depositing a layer containing boron and nitrogen | Guenther Doellein, Guenter Weidenbach, Udo Bringmann, Andreas Weber, Claus-Peter Klages | 1992-12-29 |
| 5063714 | Grinding wheel for deep grinding | — | 1991-11-12 |
| 4842937 | Method of depositing a wear-protective layer on a cutting tool and wear protective layer produced by the method | Hans-Joachim Wiemann | 1989-06-27 |
| 4750298 | Method and device for controlling the drive of different successively operated grinding disks | — | 1988-06-14 |
| 4475321 | Method of trueing of grinding disks | — | 1984-10-09 |
| 4182082 | Method for the profiling of grinding wheels and apparatus therefor | — | 1980-01-08 |