B66B 5/0031
For safety reasons
Official title: {for safety reasons}
B66B5/0031 (For safety reasons) appears on 418 US grants and 560 published applications in this corpus.
Search patents in B66B- Granted patents
- 418
- Published applications
- 560
- Assignees
- 73
- Inventors
- 895
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 5 |
| 2007 | 4 | 6 |
| 2008 | 8 | 11 |
| 2009 | 7 | 9 |
| 2010 | 9 | 6 |
| 2011 | 4 | 10 |
| 2012 | 4 | 10 |
| 2013 | 11 | 10 |
| 2014 | 8 | 12 |
| 2015 | 7 | 30 |
| 2016 | 15 | 29 |
| 2017 | 29 | 55 |
| 2018 | 33 | 44 |
| 2019 | 24 | 56 |
| 2020 | 38 | 68 |
| 2021 | 18 | 62 |
| 2022 | 39 | 33 |
| 2023 | 35 | 31 |
| 2024 | 24 | 25 |
| 2025 | 35 | 24 |
| 2026 | 40 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevating body derailment detection device6 Oct 2026US 12,753,043 B2Mitsubishi Electric Corporation
- Multi-stage detection trigger for human sensing6 Oct 2026US 12,753,044 B2Otis Elevator Company
- Method for controlling an elevator1 Sep 2026US 12,722,936 B2Kone Corporation
- Beam climber friction monitoring system18 Aug 2026US 12,709,517 B2Otis Elevator Company
- Elevator safety monitoring system, elevator system, elevator drive unit, and method for operating an elevator18 Aug 2026US 12,709,518 B2Kone Corporation
- Elevator communication system3 Sep 2026US 2026/0257886 A1Kone Corporation
- Brake wear detection30 Jul 2026US 2026/0217494 A1Otis Elevator Company
- Elevator safety controller, elevator system, and method for causing emergency stop for elevator car9 Jul 2026US 2026/0193054 A1Kone Corporation
- Monitoring traveling cable movements2 Jul 2026US 2026/0184540 A1Otis Elevator Company
- Contact switch, safety door and elevator system2 Jul 2026US 2026/0188599 A1Otis Elevator Company
Most cited
By later US patents
- Electronic safety system for elevators having a dual redundant safety bus96US 6,173,814 B1Otis Elevator Company · 2001
- Lift collision avoidance system93US 7,194,358 B2The Boeing Company · 2007
- Safety equipment for multimobile elevator groups72US 5,877,462 AInventio AG · 1999
- Three-dimensional monitoring in the area of an elevator by means of a three-dimensional sensor51US 7,140,469 B2Inventio AG · 2006
- Method and system for stopping elevators using AC motors driven by static frequency converters44US 7,775,327 B2Danfoss A/S · 2010