Issued Patents All Time
Showing 126–133 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4206952 | Rotary drill bit with a porous cup bearing | Heinrich Kunkel, Manfred Brandenstein, Lothar Walter | 1980-06-10 |
| 4205885 | Ball bearing with cage formed of axial sections | Horst M. Ernst, Lothar Walter, Manfred Brandenstein | 1980-06-03 |
| 4204717 | Ball bearing with radial apertures in end rings | Horst M. Ernst, Lothar Walter, Manfred Brandenstein | 1980-05-27 |
| 4202558 | Support body for rollers of skating devices | Manfred Brandenstein, Manfred Krug, Horst Martin | 1980-05-13 |
| 4201282 | Clutch release assembly and bearing therefor | Horst M. Ernst, Lothar Walter, Manfred Brandenstein | 1980-05-06 |
| 4201424 | Rolling bearing having two-sided race rails | Horst M. Ernst, Lothar Walter, Manfred Brandenstein | 1980-05-06 |
| 4181374 | Rolling bearing having end rings mounted to engage a housing | Horst M. Ernst, Lothar Walter, Manfred Brandenstein | 1980-01-01 |
| 4181375 | Roller bearing with rolling elements having concave center parts and convex end parts | Horst M. Ernst, Rainer Schurger, Lothar Walter, Manfred Brandenstein, Erich Burkl | 1980-01-01 |