Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738072 | Device for actuating a control member | Ekkehard Bolte, Matthias Wendt | 1998-04-14 |
| 5624100 | Device for actuating a control member | Ekkehard Bolte, Bernd Ackermann | 1997-04-29 |
| 5164654 | Solar energy operated automatic charge device for electric appliances | Hugo Schemmann, Theodor Husgen | 1992-11-17 |
| 5158562 | Epilating device having epilating rollers rotatingly drivable in opposite directions | Hugo Schemmann, Romuald L. Bukoschek | 1992-10-27 |
| 5121020 | Rotor for an electric motor | Hugo Schemmann, Romuald L. Bukoschek | 1992-06-09 |
| 5118977 | Two-pole single-phase synchronous motor with permanent-magnet rotor, and starting device for use in the single-phase synchronous motor | Hugo Schemmann | 1992-06-02 |
| 5022315 | Small electric household utensil for the production of foods by mixing by stirring | Hugo Schemmann, Romuald L. Bukoschek | 1991-06-11 |
| 5012147 | Domestic vibration apparatus with lever drive | Hugo Schemmann, Romuald L. Bukoschek | 1991-04-30 |
| 4979297 | Rotary shaving head for an electric shaving apparatus | Hugo Schemmann | 1990-12-25 |
| 4948999 | Self-starting two-pole single-phase synchronous motor | Romuald L. Bukoschek | 1990-08-14 |
| 4827171 | Single-phase synchronous motor comprising a two-pole permanent-magnetic rotor and an eddy-current intermediate rotor | Hugo Schemmann | 1989-05-02 |
| 4812691 | Device for improving the stability of rotation of the rotor of a single-phase synchronous motor | Hugo Schemmann, Gerhard Diefenbach | 1989-03-14 |
| 4807365 | Method for making the shaving head of a dry-shaving apparatus | Hugo Schemmann, Romuald L. Bukoschek, Reinhard Huszar | 1989-02-28 |
| 4803390 | Dual motor drive arrangement for a small domestic appliance | Hugo Schemmann, Romuald L. Bukoschek | 1989-02-07 |
| 4791327 | Drive mechanism for a domestic vibration apparatus | Hugo Schemmann, Romuald L. Bukoschek | 1988-12-13 |
| 4759192 | Domestic appliance comprising a tool | Hugo Schemmann, Romuald L. Bukoschek | 1988-07-26 |
| 4714851 | Single-phase synchronous motor comprising a two-pole permanent-magnet rotor | Hugo Schemmann | 1987-12-22 |
| 4709752 | Cooling arrangement for heat generating electrical components | Johann Schroder, Klaus Gawron, Hugo Schemmann | 1987-12-01 |
| 4691132 | Synchronous motor with two-pole permanent-magnet soft-magnetic-core rotor | Hugo Schemmann | 1987-09-01 |
| 4684840 | Synchronous motor having a permanent-magnet modular rotor | Hugo Schemmann | 1987-08-04 |
| 4637283 | Corkscrew device | Romuald L. Bukoschek, Peter Steiner | 1987-01-20 |
| 4636676 | Single-phase synchronous motor with two-pole permanent-magnet rotor | Gerhard Diefenbach, Hugo Schemmann | 1987-01-13 |
| 4628607 | Vibration dry shaving apparatus driven by a bipolar uniphase synchronous motor | Hugo Schemmann, Romuald L. Bukoschek | 1986-12-16 |
| 4604539 | Drive mechanism with a rotary drive motor | Romuald L. Bukoschek | 1986-08-05 |
| 4577129 | Electric motor having two co-planar stator sections | — | 1986-03-18 |