B66B 5/022
Where the abnormal operating condition is caused by a natural event
Official title: {where the abnormal operating condition is caused by a natural event, e.g. earthquake}
B66B5/022 (Where the abnormal operating condition is caused by a natural event) appears on 66 US grants and 60 published applications in this corpus.
Search patents in B66B- Granted patents
- 66
- Published applications
- 60
- Assignees
- 18
- Inventors
- 145
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 2 |
| 2015 | 4 | 5 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 9 |
| 2020 | 4 | 10 |
| 2021 | 2 | 7 |
| 2022 | 7 | 1 |
| 2023 | 3 | 0 |
| 2024 | 7 | 2 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring image transmission apparatus for elevators14 Jul 2026US 12,683,903 B2Mitsubishi Electric Corporation
- Failure detection device for an elevator9 Sep 2025US 12,410,036 B2Mitsubishi Electric Corporation
- Water detection in elevator pit using pit sensors17 Jun 2025US 12,330,916 B2Otis Elevator Company
- Vibration damping device and elevator apparatus18 Feb 2025US 12,227,391 B2Mitsubishi Electric Corporation
- Building drift determination based on elevator roping position24 Dec 2024US 12,172,867 B2Otis Elevator Company
- Elevator long-object checking device27 Aug 2026US 2026/0250101 A1Mitsubishi Electric Corporation
- Earthquake portfoilio management16 Oct 2025US 2025/0320088 A1Otis Elevator Company
- Evacuation in an elevator system25 Sep 2025US 2025/0296809 A1Kone Corporation
- Derailment detection system for elevator31 Oct 2024US 2024/0359947 A1Mitsubishi Electric Corporation
- Hoist and hoist elevator and control system11 Apr 2024US 2024/0117643 A1Quiet Solutions, Inc.
Most cited
By later US patents
- Method and system for emergency evacuation of building occupants and a method for modernization of an existing building with said system50US 7,182,174 B2Inventio AG · 2007
- Building evacuation elevator system23US 7,588,126 B2Kone Corporation · 2009
- High rise emergency elevator17US 5,253,734 A1993
- Elevator system16US 4,106,594 AWestinghouse Electric Corp. · 1978
- Earthquake control operating system for an elevator and earthquake control operating method for an elevator14US 7,905,329 B2Otis Elevator Company · 2011