B66B 13/185
Electrical
Official title: {electrical}
B66B13/185 (Electrical) appears on 21 US grants and 16 published applications in this corpus.
Search patents in B66B- Granted patents
- 21
- Published applications
- 16
- Assignees
- 15
- Inventors
- 70
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Elevator and door lock therefor and method for unlocking thereof6 Jan 2026US 12,515,919 B2
- Elevator car door detection apparatus25 Feb 2025US 12,234,124 B2Fujitec Co., Ltd.
- Elevator car door control system3 Oct 2023US 11,772,937 B2G.A.L. Manufacturing Company, LLC
- Automated elevator safety chain diagnosis19 Jul 2022US 11,390,487 B2Otis Elevator Company
- Hoistway door locking system and method of controlling access to an elevator shaft5 Mar 2019US 10,221,044 B2Otis Elevator Company
- Modular elevator access enclosure system18 Jun 2026US 2026/0167461 A1ABEC Manufacturing, LLC
- Door system16 Apr 2026US 2026/0103361 A1Inventio AG
- Method and apparatus for detecting automatic closing function of a floor door8 May 2025US 2025/0145415 A1Otis Elevator Company
- Elevator and door lock therefor and method for unlocking thereof14 Mar 2024US 2024/0083713 A1
- Elevator Car Door Detection Apparatus14 Mar 2024US 2024/0083714 A1Fujitec Co., Ltd.
Most cited
By later US patents
- Elevator door restrictor19US 5,655,627 AAdvanced Microcontrols, Inc. · 1997
- Elevator door safety lock system15US 9,695,015 B12017
- Elevator door restrictor13US 6,006,866 AAdvanced Microcontrols, Inc. · 1999
- Magnetically actuated locking system for elevator doors11US 4,009,767 ALinden-Alimak AB · 1977
- Elevator hoistway door bolt lock11US 5,454,447 AOtis Elevator Company · 1995