B66B 5/24
By acting on guide ropes or cables
Official title: by acting on guide ropes or cables
B66B5/24 (By acting on guide ropes or cables) appears on 35 US grants and 30 published applications in this corpus.
Search patents in B66B- Granted patents
- 35
- Published applications
- 30
- Assignees
- 17
- Inventors
- 72
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 5 | 2 |
| 2020 | 1 | 7 |
| 2021 | 1 | 1 |
| 2022 | 5 | 2 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Safety device for elevator system and elevator system6 Feb 2024US 11,891,276 B2Otis Elevator Company
- Cable brake, elevator car and elevator system30 May 2023US 11,661,314 B2Inventio AG
- Wedge brake elevator safety system2 May 2023US 11,639,284 B1
- Ascension aid for a wind turbine14 Feb 2023US 11,577,935 B2Wobben Properties GmbH
- Elevator overspeed governor with automatic reset3 Jan 2023US 11,542,122 B2Otis Elevator Company
- Safety device for elevator system and elevator system15 Dec 2022US 2022/0396454 A1Otis Elevator Company
- Elevator overspeed governor with automatic reset13 Jan 2022US 2022/0009745 A1Otis Elevator Company
- Elevator control device elevator system and elevator control method25 Mar 2021US 2021/0087015 A1Otis Elevator Company
- Governor assembly for elevator system, elevator safety system and elevator system31 Dec 2020US 2020/0407193 A1Otis Elevator Company
- Ascension aid for a wind turbine19 Nov 2020US 2020/0361746 A1Wobben Properties GmbH
Most cited
By later US patents
- Overspeed brake for a lift car14US 4,029,177 AInternational Telephone and Telegraph Corporation · 1977
- Automatic anti-fall device for power-driven lifting machinery13US 4,106,753 AEurope-Levage Manutention (Elma) · 1978
- Elevator governor rope restraint when elevator car moves with car doors open12US 5,183,979 AOtis Elevator Company · 1993
- Elevator cars switch hoistways while traveling vertically10US 5,816,368 AOtis Elevator Company · 1998
- Bank hoist braking apparatus8US 6,216,826 B12001