Portescap SA
PortescapActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1985002503A1 | Electric motor with disk-shaped magnetized rotor | Expired / Lapsed | 1984-11-29 | — | 0 | Details |
| WO1983002042A1 | Electric stepping motor | Expired / Lapsed | 1982-12-03 | — | 0 | Details |
| WO1980002203A1 | Stepping polyphased motor for a clockwork mechanism | Expired / Lapsed | 1980-04-09 | — | 0 | Details |
| US4823040A | Single-stage, two-phase of four-phase synchronous electric … | Expired / Lapsed | 1986-10-30 | 1989-04-18 | 5 | Details |
| US4737753A | Multipolar magnetization device | Expired / Lapsed | 1985-02-22 | 1988-04-12 | 7 | Details |
| US4518883A | Electric motor with permanent magnet rotor | Expired / Lapsed | 1982-12-03 | 1985-05-21 | 19 | Details |
| US4517478A | Electric stepper motor | Expired / Lapsed | 1984-04-03 | 1985-05-14 | 3 | Details |
| US4330727A | Electric step motor | Expired / Lapsed | 1979-12-27 | 1982-05-18 | 8 | Details |
| US3433093A | Ratchet mechanism | Expired / Lapsed | 1966-10-07 | 1969-03-18 | 0 | Details |