B66B 21/08
Paternoster type, i.e. the escalator being used simultaneously for climbing and descending
Official title: paternoster type, i.e. the escalator being used simultaneously for climbing and descending (B66B21/06 takes precedence)
B66B21/08 (Paternoster type, i.e. the escalator being used simultaneously for climbing and descending) appears on 8 US grants and 5 published applications in this corpus.
Search patents in B66B- Granted patents
- 8
- Published applications
- 5
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable speed moving walkway systems5 Aug 2025US 12,378,097 B2Beltways Inc.
- Sensor fusion on internet of things on escalators23 Mar 2021US 10,954,105 B1Otis Elevator Company
- System of hexagonal building units and escalators or moving walkways used therein28 Aug 2018US 10,059,568 B2
- Escalator31 Jan 2012US 8,104,600 B2
- Conveyance device19 Jul 2011US 7,980,379 B2Inventio AG
- Variable speed moving walkway systems26 Mar 2020US 2020/0095097 A1Beltways Inc.
- System of hexagonal building units and escalators or moving walkways used therein28 Feb 2019US 2019/0062121 A1
- System of hexagonal building units and escalators or moving walkways used therein8 Sep 2016US 2016/0257531 A1
- Escalator30 Dec 2010US 2010/0326790 A1
- Conveyance device4 Feb 2010US 2010/0025186 A1Inventio AG
Most cited
By later US patents
- Racetrack escalator10US 4,411,352 AOtis Elevator Company · 1983
- Mechanism for transporting connected steps5US 5,622,246 A1997
- Escalator4US 8,104,600 B22012
- Sensor fusion on internet of things on escalators3US 10,954,105 B1Otis Elevator Company · 2021
- System of hexagonal building units and escalators or moving walkways used therein2US 10,059,568 B22018