B66B 5/185
By acting on main ropes or main cables
Official title: {by acting on main ropes or main cables}
B66B5/185 (By acting on main ropes or main cables) appears on 26 US grants and 25 published applications in this corpus.
Search patents in B66B- Granted patents
- 26
- Published applications
- 25
- Assignees
- 15
- Inventors
- 45
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 3 |
| 2021 | 0 | 1 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cable-braking apparatus9 Jul 2024US 12,030,744 B2Human Nt Co., Ltd.
- Elevator having free fall protection system13 Feb 2024US 11,897,728 B2Kone Corporation
- Overspeed safety mechanism for lift car27 Dec 2022US 11,535,492 B2SafeWorks, LLC
- Wire rope clamp assembly20 Dec 2022US 11,530,112 B2Wurtec, Incorporated
- Elevator emergency brake with shoes25 Jan 2022US 11,230,456 B2G.A.L. Manufacturing Company, LLC
- Cable-braking apparatus21 Apr 2022US 2022/0119226 A1Human Nt Co., Ltd.
- Elevator13 May 2021US 2021/0139277 A1Kone Corporation
- Wire rope clamp assembly29 Oct 2020US 2020/0339386 A1Wurtec, Incorporated
- Overspeed safety mechanism for lift car16 Jul 2020US 2020/0223666 A1SafeWorks, LLC
- Elevator Emergency Brake With Shoes23 Apr 2020US 2020/0122969 A1G.A.L. Manufacturing Company, LLC
Most cited
By later US patents
- Elevator car brake with shoes actuated by springs29US 5,228,540 AHollister-Whitney Elevator Corp. · 1993
- Elevator car brake20US 8,256,579 B22012
- Elevator brake19US 5,020,640 ABongers & Deimann · 1991
- Emergency brake apparatus of elevator18US 7,080,717 B2Mitsubishi Denki Kabushiki Kaisha · 2006
- Elevator sheave brake safety16US 4,977,982 AOtis Elevator Company · 1990