B66B 5/021
The abnormal operating conditions being independent of the system
Official title: {the abnormal operating conditions being independent of the system (alarm systems in general G08B)}
B66B5/021 (The abnormal operating conditions being independent of the system) appears on 165 US grants and 196 published applications in this corpus.
Search patents in B66B- Granted patents
- 165
- Published applications
- 196
- Assignees
- 42
- Inventors
- 377
- 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 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 4 | 4 |
| 2008 | 3 | 6 |
| 2009 | 4 | 9 |
| 2010 | 9 | 6 |
| 2011 | 6 | 8 |
| 2012 | 6 | 4 |
| 2013 | 4 | 4 |
| 2014 | 3 | 2 |
| 2015 | 6 | 7 |
| 2016 | 3 | 7 |
| 2017 | 3 | 16 |
| 2018 | 12 | 23 |
| 2019 | 17 | 24 |
| 2020 | 9 | 18 |
| 2021 | 6 | 17 |
| 2022 | 12 | 4 |
| 2023 | 11 | 6 |
| 2024 | 10 | 11 |
| 2025 | 8 | 10 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Elevator door control device14 Jul 2026US 12,679,697 B2Mitsubishi Electric Corporation
- Monitoring image transmission apparatus for elevators14 Jul 2026US 12,683,903 B2Mitsubishi Electric Corporation
- Safety device for an elevator19 May 2026US 12,630,392 B2Otis Elevator Company
- Multi-car elevator system3 Mar 2026US 12,565,402 B2Mitsubishi Electric Corporation
- Self intelligent occupant evacuation systems27 Jan 2026US 12,534,334 B2Otis Elevator Company
- Elevator long-object checking device27 Aug 2026US 2026/0250101 A1Mitsubishi Electric Corporation
- Method for switching off the operation of an elevator, and elevator controller16 Jul 2026US 2026/0200696 A1Inventio AG
- Elevator remote main line disconnect device and system25 Jun 2026US 2026/0176104 A1
- Modular elevator access enclosure system18 Jun 2026US 2026/0167461 A1ABEC Manufacturing, LLC
- Earthquake portfoilio management16 Oct 2025US 2025/0320088 A1Otis Elevator Company
Most cited
By later US patents
- Multiple level building with an elevator system operable as a means of emergency egress and evacuation during a fire incident92US 5,979,607 A1999
- 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
- Multiple level building with an elevator system operable as a means of emergency egress and evacuation during a fire incident45US 6,000,505 A1999
- Passenger actuated elevator alarm device30US 7,284,639 B2Otis Elevator Company · 2007
- Elevator system24US 7,594,564 B2Kone Corporation · 2009