Class B66B : ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Subclass 1/04: 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 without regulation, i.e. without retroactive action hydraulic
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11945690 | Elevator compensation assembly monitor | Oct 28, 22 | Apr 02, 24 | Otis Elevator Company |
| 11524872 | Elevator compensation assembly monitor | Apr 22, 20 | Dec 13, 22 | Otis Elevator Company |
| 11505432 | Municipal water powered Shabbat transportation device | Nov 12, 19 | Nov 22, 22 | Not available |
| 11479374 | Feeder unit, feeder module comprising feeder units, and method for discharging a constant mass flow of one or more powders into a receiving container | Nov 12, 19 | Oct 25, 22 | GEA PROCSS ENGINEERING NV |
| 11198585 | Systems and methods for controlling working fluid in hydraulic elevators | Feb 18, 19 | Dec 14, 21 | TK Elevator Corporation |
| 10889470 | Automatic rope tension equalizer system and method | Dec 08, 17 | Jan 12, 21 | THYSSENKRUPP ELEVATOR CORPORATION |
| 10766742 | Hydraulic elevator safety device, and method for detecting open-door travel abnormality in hydraulic elevator | Jul 17, 15 | Sep 08, 20 | Mitsubishi Electric Corporation |
| 10669128 | Smart pit for hydraulic elevators and other products using pressurized hydraulic fluids | Apr 04, 16 | Jun 02, 20 | W2W 777 Operations, LLC |
| 9708160 | Tensioning device and tensioning method for steel wire rope of cage guide of ultra-deep vertical shaft | Jun 16, 15 | Jul 18, 17 | CHINA UNIVERSITY OF MINING AND TECHNOLOGY |
| 9605694 | Energy recapture system for hydraulic elevators | Dec 19, 14 | Mar 28, 17 | GEORGIA TECH RESEARCH CORPORATION |
| 9334096 | Multiple inspection system and method that inspects different medications | May 16, 12 | May 10, 16 | EDGE MEDICAL PROPERTIES, LLC |
| 8225582 | Automated solid pharmaceutical product packaging machine | Feb 07, 11 | Jul 24, 12 | MTS Medication Technologies, Inc. |
| 6763916 | Method and apparatus for synchronizing a vehicle lift | Apr 12, 02 | Jul 20, 04 | ROTARY LIFT COMPANY |
| 5852264 | Method and appartus for the measurement of the load in an elevator | Jul 18, 96 | Dec 22, 98 | INVENTIO AG |
| 5597987 | Twin post, telescoping jack hydraulic elevator system | Jan 25, 95 | Jan 28, 97 | DELAWARE CAPITAL FORMATION, INC. |
| 5583326 | Pneumatic elevator by depressure | Apr 03, 95 | Dec 10, 96 | Not available |
| 5447211 | Pneumatic elevator by depressure | Dec 14, 92 | Sep 05, 95 | Not available |
| 5243154 | Apparatus for controlling a hydraulic elevator | Oct 15, 91 | Sep 07, 93 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0052,952 | ELEVATOR COMPENSATION ASSEMBLY MONITOR | Oct 28, 22 | Feb 16, 23 | Not available |
| 2019/0177,127 | AUTOMATIC ROPE TENSION EQUALIZER SYSTEM AND METHOD | Dec 08, 17 | Jun 13, 19 | Not available |
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