Issued Patents All Time
Showing 101–116 of 116 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996742 | Elevator machinery | Esko Aulanko, Harri Hakala | 1999-12-07 |
| 5982060 | Elevator machinery | Harri Hakala, Esko Aulanko | 1999-11-09 |
| 5971109 | Arrangement for releasing the brake of an elevator machinery | Esko Aulanko, Harri Hakala | 1999-10-26 |
| 5962948 | Elevator motor with flat construction | Harri Hakala, Esko Aulanko | 1999-10-05 |
| 5906251 | Traction sheave elevator | Esko Aulanko, Harri Hakala | 1999-05-25 |
| 5899301 | Elevator machinery mounted on a guide rail and its installation | Esko Aulanko, Harri Hakala | 1999-05-04 |
| 5878847 | Arrangement for fixing an elevator rope | Esko Aulanko, Harri Hakala | 1999-03-09 |
| 5847533 | Procedure and apparatus for braking a synchronous motor | Harri Hakala, Esko Aulanko | 1998-12-08 |
| 5823298 | Traction sheave elevator | Esko Aulanko, Harri Hakala | 1998-10-20 |
| 5821476 | Device for emergency operation of an elevator motor | Harri Hakala, Esko Aulanko | 1998-10-13 |
| 5811906 | Damper winding of an elevator motor | Harri Hakala, Esko Aulanko | 1998-09-22 |
| 5783895 | Elevator motor with flat construction | Harri Hakala, Esko Aulanko | 1998-07-21 |
| 5740888 | Arrangement in an opening in the wall of an elevator shaft and instrument panel | Esko Aulanko, Harri Hakala | 1998-04-21 |
| 5734135 | Procedure for starting an elevator | Harri Hakala, Esko Aulanko | 1998-03-31 |
| 5490578 | Structure for attaching elevator machinery in a building | Esko Aulanko, Harri Hakala | 1996-02-13 |
| 5429211 | Traction sheave elevator | Esko Aulanko, Harri Hakala | 1995-07-04 |