B66B 25/00
Control of escalators or moving walkways
Official title: Control of escalators or moving walkways (walkways of variable speed type B66B21/12; handrails of variable speed type B66B23/26; of general application G05)
B66B25/00 (Control of escalators or moving walkways) appears on 258 US grants and 303 published applications in this corpus.
Search patents in B66B- Granted patents
- 258
- Published applications
- 303
- Assignees
- 49
- Inventors
- 535
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 5 |
| 2004 | 3 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 5 |
| 2009 | 2 | 0 |
| 2010 | 0 | 4 |
| 2011 | 4 | 3 |
| 2012 | 1 | 6 |
| 2013 | 5 | 8 |
| 2014 | 6 | 2 |
| 2015 | 6 | 2 |
| 2016 | 5 | 15 |
| 2017 | 6 | 15 |
| 2018 | 22 | 48 |
| 2019 | 37 | 24 |
| 2020 | 15 | 21 |
| 2021 | 29 | 39 |
| 2022 | 17 | 15 |
| 2023 | 18 | 25 |
| 2024 | 16 | 22 |
| 2025 | 14 | 23 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Brake system for a conveyor system, method for detecting a brake of a conveyor system, and controller29 Sep 2026US 12,747,138 B2Otis Elevator Company
- Elevator and escalator control network management25 Aug 2026US 12,715,730 B2Kone Corporation
- Handrail systems for moving walkways11 Aug 2026US 12,703,607 B2Beltways Inc.
- Passenger conveyor system and anti-collision device for step and comb plate14 Jul 2026US 12,679,700 B2Otis Elevator Company
- Method and device for monitoring the travel operation of a person-transporting installation14 Jul 2026US 12,682,646 B2Inventio AG
- Seat systems for moving walkways30 Jul 2026US 2026/0217497 A1Beltways Inc.
- Testing, monitoring and servicing the performance/condition of a passenger conveying system9 Jul 2026US 2026/0193053 A1Kone Corporation
- Method and device for monitoring the drive operation of a passenger conveyor system2 Jul 2026US 2026/0184541 A1Inventio AG
- Emergency escape system for fire or hazardous conditions11 Jun 2026US 2026/0158306 A1
- Control network management26 Feb 2026US 2026/0054961 A1Kone Corporation
Most cited
By later US patents
- Control apparatus for passenger conveyor and passenger detecting device30US 6,334,522 B12002
- Information display and control device for a passenger conveyor28US 5,782,330 AOtis Elevator Company · 1998
- Data collection and analysis system for passenger conveyors27US 5,785,165 AOtis Elevator Company · 1998
- Operation control apparatus for escalator27US 6,351,096 B1Otis Elevator Company · 2002
- Control apparatus for people mover systems24US 5,099,977 AHitachi, Ltd. · 1992