Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434575 | Method and device for a safe emergency stop of an elevator | Antti Hovi | 2016-09-06 |
| 9434576 | Backup circuit for electricity supply, elevator system, and method for ensuring electricity supply of an electronic overspeed governor | Antti Saarelainen, Ari Ketonen | 2016-09-06 |
| 9213473 | Device and system for elevator maintenance | Antti Hovi | 2015-12-15 |
| 9046142 | Braking apparatus | — | 2015-06-02 |
| 8869945 | Supplemental elevator safety system | Ari Harkonen, Sakari Korvenranta, Timo Syrman, Hannu Ahrnberg, Risto Jokinen | 2014-10-28 |
| 8235180 | Elevator system with a brake control circuit using a controllable switch switched with short pulses | Jyrki Laaksonheimo | 2012-08-07 |
| 8207700 | Electric motor drive | Timo Syrman | 2012-06-26 |
| 8118140 | Elevator system with a controller of fast start of travel and method in conjunction with the same | Antti Hovi | 2012-02-21 |
| 8096387 | Fail-safe power control apparatus with controllable change-over switches | Antti Kallioniemi | 2012-01-17 |
| 7980363 | Elevator safety arrangement having safety spaces | Kimmo Heikkilä, Timo Syrman | 2011-07-19 |
| 7896135 | Fail-safe power control apparatus | Antti Kallioniemi | 2011-03-01 |
| 7896138 | Elevator arrangement | Timo Syrman | 2011-03-01 |
| 7891467 | Elevator safety arrangement having safety spaces | Kimmo Heikkilä, Timo Syrman | 2011-02-22 |
| 7849975 | Safety arrangement of an elevator having sensors limiting extent of elevator travel | Ari Ketonen | 2010-12-14 |
| 7775330 | Unintended movement governor | Petteri Valjus | 2010-08-17 |
| 7740110 | Elevator brake and brake control circuit | Timo Syrman | 2010-06-22 |
| 7546903 | Elevator system having location devices and sensors | Timo Laasonen, Matti Rasanen | 2009-06-16 |
| 7533763 | Safety device, safety system, and method for supervising safety of an elevator system | Timo Laasonen, Matti Rasanen | 2009-05-19 |
| 5848671 | Procedure for stopping an elevator at a landing | — | 1998-12-15 |