B66B 5/0025
For maintenance or repair
Official title: {for maintenance or repair}
B66B5/0025 (For maintenance or repair) appears on 274 US grants and 399 published applications in this corpus.
Search patents in B66B- Granted patents
- 274
- Published applications
- 399
- Assignees
- 58
- Inventors
- 692
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 5 |
| 2010 | 6 | 1 |
| 2011 | 2 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 4 |
| 2014 | 2 | 5 |
| 2015 | 6 | 9 |
| 2016 | 4 | 14 |
| 2017 | 7 | 17 |
| 2018 | 12 | 34 |
| 2019 | 17 | 60 |
| 2020 | 25 | 57 |
| 2021 | 14 | 50 |
| 2022 | 28 | 26 |
| 2023 | 34 | 24 |
| 2024 | 29 | 22 |
| 2025 | 33 | 39 |
| 2026 | 16 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and method for uniform maintenance for conveyance apparatuses18 Aug 2026US 12,709,516 B1
- Apparatus and method for testing elevator display unit and elevator system11 Aug 2026US 12,703,604 B2Otis Elevator Company
- Self-checking device and method for braking device and elevator system11 Aug 2026US 12,703,605 B2Otis Elevator Company
- Multicar elevator system28 Jul 2026US 12,692,128 B2Kone Corporation
- Mobile control unit and method for remotely controlling an elevator installation14 Jul 2026US 12,679,694 B2Inventio AG
- Evaluation of a condition of an automatic door drive belt13 Aug 2026US 2026/0233969 A1Kone Corporation
- Management system for elevators13 Aug 2026US 2026/0233970 A1Mitsubishi Electric Building Solutions Corporation
- Method and apparatus for analysing out-of-service event of a lift system28 May 2026US 2026/0145910 A1Otis Elevator Company
- Linkage operating device for elevator system and elevator system7 May 2026US 2026/0125240 A1Otis Elevator Company
- Resistance-based inspection of elevator system support members30 Apr 2026US 2026/0116702 A1Otis Elevator Company
Most cited
By later US patents
- Remote elevator monitoring system122US 4,568,909 AUnited Technologies Corporation · 1986
- Data acquisition system for the analysis of elevator trouble71US 5,557,546 AHitachi Building Systems and Engineering Service Co. · 1996
- Monitoring system for elevator installation68US 3,973,648 AWestinghouse Electric Corp. · 1976
- Remote monitoring system state machine and method64US 4,622,538 AOtis Elevator Company · 1986
- Elevator car door and motion sequence monitoring apparatus and method61US 4,750,591 AOtis Elevator Company · 1988