B66B 11/0273
Acting between car and supporting frame
Official title: {acting between car and supporting frame}
B66B11/0273 (Acting between car and supporting frame) appears on 32 US grants and 27 published applications in this corpus.
Search patents in B66B- Granted patents
- 32
- Published applications
- 27
- Assignees
- 12
- Inventors
- 91
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 5 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Car arrangement and method for mounting a spindle drive in a car arrangement for a double-decker elevator30 Sep 2025US 12,428,267 B2
- Elevator passenger car and elevator having same car1 Jul 2025US 12,344,506 B2Hitachi, Ltd.
- Double impact area buffer for improved plank27 Feb 2024US 11,912,538 B2Otis Elevator Company
- Combined elevator vibration isolation and load measurement element6 Dec 2022US 11,518,654 B2Kone Corporation
- Elevator car dynamic sag damping system28 Sep 2021US 11,130,655 B2Otis Elevator Company
- Elevator car and elevator24 Jul 2025US 2025/0236489 A1Kone Corporation
- Car arrangement and method for mounting a spindle drive in a car arrangement for a double-decker elevator30 Jan 2025US 2025/0033932 A1Inventio AG
- Double impact area buffer for improved plank29 Jun 2023US 2023/0202799 A1Otis Elevator Company
- Elevator passenger car and elevator having same car21 Jul 2022US 2022/0227602 A1Hitachi, Ltd.
- Elevator guiding device and elevator system comprising the same3 Jun 2021US 2021/0163264 A1Otis Elevator Company
Most cited
By later US patents
- Traction type elevator18US 6,443,266 B1Kabushiki Kaisha Toshiba · 2002
- Elevator car mounting16US 4,113,064 AHitachi, Ltd. · 1978
- Apparatus for damping oscillations in elevator cars14US 5,005,671 AInventio AG · 1991
- Shock absorber for elevators or the like12US 5,613,667 A1997
- Indirect-plunger hydraulic elevator11US 4,977,980 AKabushiki Kaisha Toshiba · 1990