B66B 5/00
Applications of checking, fault-correcting, or safety devices in elevators
B66B5/00 (Applications of checking, fault-correcting, or safety devices in elevators) appears on 2,382 US grants and 2,814 published applications in this corpus.
Search patents in B66B- Granted patents
- 2,382
- Published applications
- 2,814
- Assignees
- 396
- Inventors
- 3,642
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 13 | 0 |
| 1978 | 14 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 14 | 0 |
| 1983 | 10 | 0 |
| 1984 | 18 | 0 |
| 1985 | 22 | 0 |
| 1986 | 7 | 0 |
| 1987 | 19 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 26 | 0 |
| 1992 | 16 | 0 |
| 1993 | 25 | 0 |
| 1994 | 23 | 0 |
| 1995 | 17 | 0 |
| 1996 | 21 | 0 |
| 1997 | 20 | 0 |
| 1998 | 24 | 0 |
| 1999 | 23 | 0 |
| 2000 | 22 | 0 |
| 2001 | 31 | 9 |
| 2002 | 34 | 21 |
| 2003 | 18 | 26 |
| 2004 | 19 | 32 |
| 2005 | 16 | 30 |
| 2006 | 25 | 34 |
| 2007 | 25 | 71 |
| 2008 | 32 | 66 |
| 2009 | 42 | 50 |
| 2010 | 55 | 50 |
| 2011 | 42 | 63 |
| 2012 | 40 | 68 |
| 2013 | 44 | 57 |
| 2014 | 44 | 70 |
| 2015 | 52 | 117 |
| 2016 | 60 | 125 |
| 2017 | 105 | 191 |
| 2018 | 132 | 255 |
| 2019 | 141 | 267 |
| 2020 | 148 | 276 |
| 2021 | 137 | 228 |
| 2022 | 178 | 166 |
| 2023 | 174 | 144 |
| 2024 | 140 | 136 |
| 2025 | 124 | 157 |
| 2026 | 131 | 105 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- System and a method for controlling sway angle of an elevator cabin6 Oct 2026US 12,753,045 B2
- Autonomous elevator car mover configured with guide wheels6 Oct 2026US 12,753,046 B2Otis Elevator Company
- Elevator system configured to perform a self diagnosis and method of operating the elevator system29 Sep 2026US 12,747,134 B2Otis Elevator Company
- Gateway for controlling elevator connectivity8 Oct 2026US 2026/0307938 A1Kone Corporation
- A method for error detection on an image sensor and an absolute position measuring system for a passenger transportation system8 Oct 2026US 2026/0307940 A1Inventio AG
- Elevator Traction Media Monitoring1 Oct 2026US 2026/0296833 A1Inventio AG
- Device and method for installing and adjusting pressure of roller guide, and elevator system24 Sep 2026US 2026/0285643 A1Otis Elevator Company
- Vertical reciprocating conveyor24 Sep 2026US 2026/0285644 A1Multilift, Inc.
Most cited
By later US patents
- Methods and apparatus for system fault diagnosis and control310US 4,649,515 AWestinghouse Electric Corp. · 1987
- Remote elevator monitoring system122US 4,568,909 AUnited Technologies Corporation · 1986
- Brake regulating apparatus for an elevator car118US 5,648,644 AInventio AG · 1997
- Monitor control apparatus103US 4,839,631 AMitsubishi Denki Kabushiki Kaisha · 1989
- Elevator hatch door monitoring system102US 5,644,111 ANew York City Housing Authority · 1997