B66B 13/30
Constructional features of doors or gates
Official title: Constructional features of doors or gates (of interest apart from this application E06B)
B66B13/30 (Constructional features of doors or gates) appears on 223 US grants and 233 published applications in this corpus.
Search patents in B66B- Granted patents
- 223
- Published applications
- 233
- Assignees
- 61
- Inventors
- 462
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 9 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 3 |
| 2004 | 2 | 13 |
| 2005 | 4 | 5 |
| 2006 | 6 | 8 |
| 2007 | 2 | 6 |
| 2008 | 4 | 7 |
| 2009 | 4 | 6 |
| 2010 | 7 | 6 |
| 2011 | 4 | 12 |
| 2012 | 3 | 8 |
| 2013 | 4 | 3 |
| 2014 | 7 | 7 |
| 2015 | 3 | 4 |
| 2016 | 1 | 9 |
| 2017 | 13 | 17 |
| 2018 | 7 | 16 |
| 2019 | 10 | 19 |
| 2020 | 14 | 17 |
| 2021 | 11 | 8 |
| 2022 | 13 | 13 |
| 2023 | 14 | 17 |
| 2024 | 13 | 6 |
| 2025 | 6 | 8 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Elevator door enforcer6 Oct 2026US 12,753,049 B2Ashby Elevator Safety Products, LLC
- Hoistway mechanics of panoramic vacuum elevator29 Sep 2026US 12,747,136 B2Blissera Corp.
- Hoistway module for forming a hoistway composed of stacked hoistway modules for an elevator installation18 Aug 2026US 12,709,519 B2
- Automatically controlled door assembly as an elevator level door of an elevator system16 Jun 2026US 12,654,992 B2Inventio AG
- Elevator sill clearance protection device and elevator car26 May 2026US 12,637,329 B2Otis Elevator Company
- Evaluation of a condition of an automatic door drive belt13 Aug 2026US 2026/0233969 A1Kone Corporation
- Modular elevator access enclosure system18 Jun 2026US 2026/0167461 A1ABEC Manufacturing, LLC
- Method for installing an elevator installation11 Jun 2026US 2026/0159358 A1Inventio AG
- Elevator system with storage for mobile working platform30 Apr 2026US 2026/0116704 A1Otis Elevator Company
- Elevator door enforcer16 Apr 2026US 2026/0103362 A1Ashby Elevator Safety Products, LLC
Most cited
By later US patents
- Guide bar for an elevator door121US 5,174,675 AInventio AG · 1992
- Wrap-around elevator door44US 6,082,499 AVertisys International, Inc. · 2000
- Runner guide for a sliding elevator door38US 5,165,142 AInventio AG · 1992
- Elevator system including an elevator car having door operated sealing devices adjacent door opening27US 4,058,191 AWestinghouse Electric Corp. · 1977
- Door sill arrangement in an elevator car27US 5,794,746 AKone Corporation · 1998