B66B 13/146
Method or algorithm for controlling doors
Official title: {method or algorithm for controlling doors}
B66B13/146 (Method or algorithm for controlling doors) appears on 60 US grants and 88 published applications in this corpus.
Search patents in B66B- Granted patents
- 60
- Published applications
- 88
- Assignees
- 22
- Inventors
- 191
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 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 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 5 |
| 2009 | 3 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 9 |
| 2017 | 3 | 3 |
| 2018 | 5 | 4 |
| 2019 | 4 | 12 |
| 2020 | 1 | 9 |
| 2021 | 6 | 4 |
| 2022 | 7 | 7 |
| 2023 | 4 | 12 |
| 2024 | 2 | 4 |
| 2025 | 3 | 7 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevator door control device14 Jul 2026US 12,679,697 B2Mitsubishi Electric Corporation
- Automatically controlled door assembly as an elevator level door of an elevator system16 Jun 2026US 12,654,992 B2Inventio AG
- Systems and methods for protecting robot tailgating in building environments21 Apr 2026US 12,606,417 B2Tyco Fire & Security GmbH
- Elevator systems7 Apr 2026US 12,595,155 B2Otis Elevator Company
- Tag detection in elevator systems24 Mar 2026US 12,583,709 B2Otis Elevator Company
- Door control unit for an elevator system, method of maintaining an elevator system, and maintenance device for maintaining an elevator system16 Jul 2026US 2026/0200697 A1Inventio AG
- Elevator system with door operator translator (dot) and associated methods9 Jul 2026US 2026/0193059 A1Solutions Innovation Technology LLC.
- Controlling of an access to an elevator car4 Jun 2026US 2026/0152367 A1Kone Corporation
- Method of doing maintenance on an elevator26 Mar 2026US 2026/0084928 A1Inventio 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 System6 Nov 2025US 2025/0340404 A1Inventio AG
Most cited
By later US patents
- Time controlled elevator door motion27US 4,342,379 AOtis Elevator Company · 1982
- Position controlled elevator door motion17US 4,299,308 AOtis Elevator Company · 1981
- Method and apparatus for controlling a sliding elevator door15US 5,274,312 AInventio AG · 1993
- Apparatus for controlling the opening and closing of electric doors14US 5,137,118 AMitsubishi Denki Kabushiki Kaisha · 1992
- Door control device of elevator13US 7,093,692 B2Mitsubishi Denki Kabushiki Kaisha · 2006