B66B 21/00
Kinds or types of escalators or moving walkways
B66B21/00 (Kinds or types of escalators or moving walkways) appears on 253 US grants and 216 published applications in this corpus.
Search patents in B66B- Granted patents
- 253
- Published applications
- 216
- Assignees
- 61
- Inventors
- 405
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 7 | 5 |
| 2004 | 5 | 6 |
| 2005 | 1 | 2 |
| 2006 | 4 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 3 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 3 | 5 |
| 2015 | 4 | 19 |
| 2016 | 15 | 19 |
| 2017 | 15 | 10 |
| 2018 | 23 | 27 |
| 2019 | 26 | 17 |
| 2020 | 12 | 16 |
| 2021 | 18 | 20 |
| 2022 | 13 | 9 |
| 2023 | 5 | 10 |
| 2024 | 13 | 12 |
| 2025 | 5 | 9 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Assembled passenger conveying system, method of assembling the same, and modularized device8 Sep 2026US 12,729,098 B2Otis Elevator Company
- 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
- Escalator module and escalator30 Jun 2026US 12,668,459 B2Kone Corporation
- Automatic conveying device and maintenance method therefor16 Jun 2026US 12,654,995 B2Otis Elevator Company
- Escalator apparatus having a height-limiting device acting on step rollers, and use3 Sep 2026US 2026/0257893 A1TK Elevator Innovation and Operations GmbH
- Seat systems for moving walkways30 Jul 2026US 2026/0217497 A1Beltways Inc.
- Modernization escalator25 Jun 2026US 2026/0176076 A1Hanson Lift (Suzhou) Co., Ltd.
- Systems and methods for variable speed modular moving walkways29 Jan 2026US 2026/0028203 A1Beltways Inc.
- Systems and methods for variable speed modular moving walkways26 Jun 2025US 2025/0206572 A1Beltways Inc.
Most cited
By later US patents
- Moving walkway47US 5,044,485 ALoderway Pty. Limited · 1991
- Transportable rescue conveyer41US 7,308,968 B22007
- Accelerating walkway30US 4,232,776 ADean Research Corporation · 1980
- Traveling vehicle and method of controlling the traveling vehicle20US 10,266,097 B2The University of Tokyo · 2019
- Endless conveyor with locally varying speeds20US 4,284,191 A1981