B66B 29/02
Responsive to, or preventing, jamming by foreign objects
Official title: responsive to, or preventing, jamming by foreign objects
B66B29/02 (Responsive to, or preventing, jamming by foreign objects) appears on 130 US grants and 79 published applications in this corpus.
Search patents in B66B- Granted patents
- 130
- Published applications
- 79
- Assignees
- 44
- Inventors
- 256
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 2 |
| 2003 | 5 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 6 |
| 2007 | 4 | 3 |
| 2008 | 6 | 9 |
| 2009 | 4 | 3 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 1 | 1 |
| 2018 | 4 | 8 |
| 2019 | 8 | 7 |
| 2020 | 5 | 3 |
| 2021 | 2 | 5 |
| 2022 | 3 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 11 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic conveyor device11 Aug 2026US 12,703,608 B2Otis Elevator Company
- Automatic conveyor device11 Aug 2026US 12,703,609 B2Otis Elevator Company
- Passenger conveyor system and anti-collision device for step and comb plate14 Jul 2026US 12,679,700 B2Otis Elevator Company
- Position sensor for escalators and moving walkways23 Jun 2026US 12,662,355 B2Inventio AG
- Escalator combplate retraction device26 May 2026US 12,637,331 B2Otis Elevator Company
- Dynamic comb for conveyance systems for moving people or objects11 Sep 2025US 2025/0282579 A1Beltways Inc.
- Position sensor for escalators and moving walkways7 Aug 2025US 2025/0250144 A1Inventio AG
- Passenger conveying device and method for safely operating a passenger conveying device19 Jun 2025US 2025/0197168 A1Tk Escalator Norte, S.A.
- Automatic conveyor device20 Feb 2025US 2025/0059003 A1Otis Elevator Company
- Escalator combplate retraction device20 Feb 2025US 2025/0059004 A1Otis Elevator Company
Most cited
By later US patents
- Escalator31US 3,986,595 AMitsubishi Denki Kabushiki Kaisha · 1976
- Handrail monitoring system26US 5,092,446 AECS Corporation · 1992
- Laterally adjustable side inserts for the steps of escalators and moving walkways pallets23US 5,560,468 AFujitec America, Inc. · 1996
- Passenger conveyor and treadboard construction for passenger conveyor21US 5,295,568 AHitachi, Ltd. · 1994
- Escalator handrail entry safety switch actuator18US 4,619,355 AOtis Elevator Company · 1986