B66B 13/26
Between closing doors
Official title: between closing doors
B66B13/26 (Between closing doors) appears on 139 US grants and 112 published applications in this corpus.
Search patents in B66B- Granted patents
- 139
- Published applications
- 112
- Assignees
- 58
- Inventors
- 292
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 2 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 1 | 5 |
| 2010 | 2 | 2 |
| 2011 | 3 | 7 |
| 2012 | 3 | 4 |
| 2013 | 2 | 5 |
| 2014 | 6 | 4 |
| 2015 | 6 | 5 |
| 2016 | 1 | 2 |
| 2017 | 6 | 3 |
| 2018 | 6 | 5 |
| 2019 | 6 | 15 |
| 2020 | 2 | 8 |
| 2021 | 5 | 6 |
| 2022 | 5 | 3 |
| 2023 | 9 | 5 |
| 2024 | 6 | 8 |
| 2025 | 4 | 6 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic closing door proximity detector15 Sep 2026US 12,735,300 B2Airdri Limited
- Reversing detection for an elevator car door3 Mar 2026US 12,566,280 B2Cedes AG
- Method and device for controlling a closing movement of a door of an elevator car in the event of a power failure, method for retrofitting a door of an elevator car, door for an elevator car, and elevator system24 Feb 2026US 12,559,350 B2Inventio AG
- Elevator door interface monitor6 Jan 2026US 12,515,917 B2Otis Elevator Company
- Systems and methods for managing cabins with automatic doors30 Sep 2025US 12,428,261 B2
- Controlling of an access to an elevator car4 Jun 2026US 2026/0152367 A1Kone Corporation
- Detection of objects associated with an elevator car6 Nov 2025US 2025/0340402 A1Kone Corporation
- Method and Device for Controlling a Closing Movement of a Door of an Elevator Car in the Event of a Power Failure, Method for Retrofitting a Door of an Elevator Car, Door for an Elevator Car, and Elevator System6 Nov 2025US 2025/0340404 A1Inventio AG
- Holographic Light Curtains3 Jul 2025US 2025/0216814 A1Carnegie Mellon University
- Automatic closing door proximity detector29 May 2025US 2025/0171273 A1Airdri Limited
Most cited
By later US patents
- Self correcting infrared intrusion detection system88US 5,149,921 AInnovation Industries, Inc. · 1992
- Proximity detector79US 4,910,464 AFormula Systems Limited · 1990
- Doorway safety device77US 4,029,176 A1977
- Detection device having energy transmitters located at vertically spaced apart points along movable doors60US 4,794,248 AOtis Elevator Company · 1988
- Powered sliding door safety system59US 4,621,452 A1986