Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644577 | X-ray tube comprising an anode disc rotatably journalled on a helical-groove bearing | Johannes L. M. Hagen, Johan A. Rietdijk | 1987-02-17 |
| 4641332 | X-ray tube comprising anode disc rotatably supported by bearing having push-pull bearing on an axial face | — | 1987-02-03 |
| 4614445 | Metal-lubricated helical-groove bearing comprising an anti-wetting layer | Jozef B. Pelzer | 1986-09-30 |
| 4562587 | X-Ray tube having a rotary anode | Anton K. Niessen, Jozef B. Pelzer | 1985-12-31 |
| 4490264 | Device incorporating a bearing | Andries R. Miedema | 1984-12-25 |
| 4357555 | Rotary anode X-ray tube | Evert M. H. Kamerbeek | 1982-11-02 |
| 4300177 | Thin-film magnetic head for reading and writing information | Gerrit J. Koel, Frederik W. Gorter | 1981-11-10 |
| 4210371 | Rotary-anode X-ray tube | Everhardus A. Muijderman | 1980-07-01 |