B66B 5/0068
By activating the safety brakes when the elevator car exceeds a certain
Official title: {by activating the safety brakes when the elevator car exceeds a certain upper or lower position in the elevator shaft}
B66B5/0068 (By activating the safety brakes when the elevator car exceeds a certain) appears on 20 US grants and 26 published applications in this corpus.
Search patents in B66B- Granted patents
- 20
- Published applications
- 26
- Assignees
- 9
- Inventors
- 67
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 6 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Elevator pit safety system and methods of use thereof21 Jul 2026US 12,686,593 B2Electronic Controls Company
- Safety brake trigger2 Dec 2025US 12,486,140 B2Otis Elevator Company
- Solution for operating an elevator having different elevator car motion profiles15 Jul 2025US 12,358,754 B2Kone Corporation
- Elevator system8 Aug 2023US 11,718,503 B2Kone Corporation
- Elevator with a safety arrangement and method for creating a safe working space in the upper part of the elevator shaft22 Nov 2022US 11,505,427 B2Kone Corporation
- Elevator safety system4 Apr 2024US 2024/0109753 A1Otis Elevator Company
- Elevator pit maintenance systems15 Feb 2024US 2024/0051793 A1Otis Elevator Company
- Elevator pit safety system and methods of use thereof16 Jun 2022US 2022/0185626 A1Electronic Controls Company
- Safety brake trigger27 May 2021US 2021/0155447 A1Otis Elevator Company
- Solution for operating an elevator29 Oct 2020US 2020/0339381 A1Kone Corporation
Most cited
By later US patents
- Safety device for use in an elevator system including a triggering member for activating a safety brake27US 7,650,969 B2Otis Elevator Company · 2010
- Safety arrangement of an elevator having sensors limiting extent of elevator travel23US 7,849,975 B2Kone Corporation · 2010
- Elevator having a limit switch for controlling power to the drive system as an elevator car approaches a shallow pit or a low overhead14US 8,162,108 B2Otis Elevator Company · 2012
- Foldable handrail and safety switch arrangement on top of an elevator car14US 8,365,870 B2Otis Elevator Company · 2013
- 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 space12US 7,278,517 B2Inventio AG · 2007