B66B 11/0206
Car frames
Official title: {Car frames}
B66B11/0206 (Car frames) appears on 129 US grants and 156 published applications in this corpus.
Search patents in B66B- Granted patents
- 129
- Published applications
- 156
- Assignees
- 44
- Inventors
- 352
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 7 |
| 2005 | 1 | 2 |
| 2006 | 3 | 6 |
| 2007 | 5 | 2 |
| 2008 | 3 | 5 |
| 2009 | 2 | 4 |
| 2010 | 2 | 1 |
| 2011 | 2 | 5 |
| 2012 | 1 | 7 |
| 2013 | 2 | 4 |
| 2014 | 2 | 8 |
| 2015 | 6 | 6 |
| 2016 | 5 | 10 |
| 2017 | 12 | 12 |
| 2018 | 8 | 11 |
| 2019 | 10 | 14 |
| 2020 | 3 | 6 |
| 2021 | 9 | 15 |
| 2022 | 11 | 6 |
| 2023 | 8 | 4 |
| 2024 | 5 | 8 |
| 2025 | 9 | 5 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Construction arrangement of an elevator and a method4 Aug 2026US 12,698,186 B2Kone Corporation
- Seal assembly for an elevator cabin and a method to operate the same30 Jun 2026US 12,668,457 B2
- System and method of enabling a mobile robot to take an elevator autonomously23 Jun 2026US 12,662,351 B2Kunshan League Automechanism Co., Ltd.
- Tower lift, logistics system including the same, and transfer method using the same6 Jan 2026US 12,518,996 B2Semes Co., Ltd.
- Elevator car and elevator30 Dec 2025US 12,509,330 B2Hitachi, Ltd.
- Elevator2 Jul 2026US 2026/0184538 A1Hitachi, Ltd.
- A seal assembly for an elevator cabin and a method to operate the same18 Jun 2026US 2026/0167456 A1
- Elevator car comprising a working opening28 May 2026US 2026/0145913 A1Otis Elevator Company
- Elevator Car and Elevator26 Mar 2026US 2026/0084935 A1Hitachi, Ltd.
- Cabin mechanics of panoramic vacuum elevator12 Mar 2026US 2026/0070757 A1Blissera Corp.
Most cited
By later US patents
- Screwless elevator car assembly18US 4,700,809 AOtis Elevator Company · 1987
- Adjustable double-deck elevator18US 5,907,136 AOtis Elevator Company · 1999
- Integrated, multi-level elevator shuttle18US 5,924,524 AOtis Elevator Company · 1999
- Drive frame for a self-propelled elevator car15US 5,713,432 AInventio AG · 1998
- Car structure14US 6,209,686 B1Inventio AG · 2001