Class B66B : ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Subclass 1/26: Control systems of elevators in general (safety devices B66B 5/00; controlling door or gate operation B66B 13/00; systems of general application G05) Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration mechanical
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11897725 | Adjustment of drop rate of elevator car with electromagnetic brake system | Jul 10, 20 | Feb 13, 24 | Otis Elevator Company |
| 11738971 | Elevator governor tension frame damper | Jun 25, 21 | Aug 29, 23 | Otis Elevator Company |
| 11673770 | Elevator governor tension frame damper | Jun 25, 21 | Jun 13, 23 | Otis Elevator Company |
| 11505432 | Municipal water powered Shabbat transportation device | Nov 12, 19 | Nov 22, 22 | Not available |
| 11498801 | Elevator | Oct 24, 18 | Nov 15, 22 | Not available |
| 11465882 | Overspeed protection switch, overspeed governor assembly and elevator system | Sep 25, 19 | Oct 11, 22 | Otis Elevator Company |
| 10696521 | Elevator system | Jun 29, 17 | Jun 30, 20 | ThyssenKrupp Elevator AG; THYSSENKRUPP AG; |
| 10676321 | Maintenance safety device for elevator and a operation method thereof | Jun 06, 17 | Jun 09, 20 | Otis Elevator Company |
| 9033111 | Elevator governor system | Jul 20, 09 | May 19, 15 | OTIS ELEVATOR COMPANY |
| 8960372 | Elevator car door interlock | Jul 07, 11 | Feb 24, 15 | THYSSENKRUPP ELEVATOR CORPORATION |
| 7650969 | Safety device for use in an elevator system including a triggering member for activating a safety brake | Dec 03, 04 | Jan 26, 10 | OTIS ELEVATOR COMPANY |
| 7278517 | Elevator installation with a device for furnishing a temporary protective space, a method for mounting the device and a method for furnishing the temporary protective space | May 04, 04 | Oct 09, 07 | INVENTIO AG |
| 7201256 | Elevator installation having a virtual protection area at the bottom and/or the top of the elevator shaft, and method for controlling the same | Jul 03, 02 | Apr 10, 07 | INVENTIO AG |
| 5751126 | Lifting appliance with traveling mechanism and low pendulum oscillation during braking | Mar 21, 96 | May 12, 98 | KCI KONECRANES INTERNATIONAL PLC |
| 5612517 | Process and apparatus for controlling a hydraulic lift | Aug 15, 94 | Mar 18, 97 | INVENTIO AG |
| 5217091 | Mechanical overspeed safety device | Oct 20, 92 | Jun 08, 93 | OTIS ELEVATOR COMPANY |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0177,125 | ELEVATOR SYSTEM | Jun 29, 17 | Jun 13, 19 | ThyssenKrupp Elevator AG; THYSSENKRUPP AG; |
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