Issued Patents All Time
Showing 76–100 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748388 | Brushless d.c. motor having RC time-delay stage(s) and driver transistors which prevent simultaneous conduction by the power transistors of the wound conductor pair(s) of the motor winding | — | 1988-05-31 |
| 4730136 | Two-pulse permanent magnet brushless D-C motor | — | 1988-03-08 |
| 4724365 | Control circuit for direct current brushless motors | — | 1988-02-09 |
| 4717850 | Two-pulse brushless d.c. motor with auxiliary rotor poles | — | 1988-01-05 |
| 4701653 | Disk drive with internal brake and static discharge | Alfred Merkle, Georg Moosmann | 1987-10-20 |
| 4698542 | Brushless direct current motor system | — | 1987-10-06 |
| 4667122 | Tachogenerator for speed control of electric motors | — | 1987-05-19 |
| 4651241 | Pulse generator in storage drives | Johann von der Heide, Ernst-Moritz Korner, Edgar Müller | 1987-03-17 |
| 4647803 | Electric motor, particularly a brushless direct current motor | Johann von der Heide, Ernst-Moritz Korner | 1987-03-03 |
| 4647161 | Fish eye lens system | — | 1987-03-03 |
| 4627139 | Method for manufacturing ceramic capacitors | — | 1986-12-09 |
| 4620138 | Drive arrangement with collectorless D.C. motor | — | 1986-10-28 |
| 4618054 | Equipment for feeding packaging blanks to a packaging machine | — | 1986-10-21 |
| 4604665 | Driving mechanism for magnetic hard disc | Dieter Elsasser, Johann von der Heide, Georg Papst | 1986-08-05 |
| 4591043 | Mechanism for spacing and conveying articles in a packaging machine | — | 1986-05-27 |
| 4574211 | Brushless D.C. motor | Reinhold Wurdak | 1986-03-04 |
| 4566593 | Carton formed from a plurality of packages | — | 1986-01-28 |
| 4556052 | Medical instrument with internal light source for illuminating body cavities | — | 1985-12-03 |
| 4554473 | Brushless direct current motor system | — | 1985-11-19 |
| 4547714 | Low magnetic leakage flux brushless pulse controlled d-c motor | — | 1985-10-15 |
| 4544852 | Circuit arrangement for monitoring speed of a drive motor | Helmut Moosmann | 1985-10-01 |
| 4535275 | Brushless D-C motor system with improved commutation circuit | — | 1985-08-13 |
| 4531079 | Brushless DC drive motor for signal recording means | — | 1985-07-23 |
| 4529918 | Collectorless direct current outer rotor motor | — | 1985-07-16 |
| 4528483 | Multiple-shaft drive | — | 1985-07-09 |