B66B 5/08
For preventing overwinding
Official title: for preventing overwinding
B66B5/08 (For preventing overwinding) appears on 25 US grants and 7 published applications in this corpus.
Search patents in B66B- Granted patents
- 25
- Published applications
- 7
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Elevator control device2 Dec 2025US 12,486,143 B2Mitsubishi Electric Corporation
- Shaft hoisting plant having an overwind brake device18 Jan 2022US 11,225,396 B2Olko-Maschinentechnik GmbH
- Rescue apparatus and an elevator7 Dec 2021US 11,192,751 B2Kone Corporation
- Overwinding buffer device and method for vertical hoisting system16 Nov 2021US 11,174,125 B2Taiyuan University of Technology
- Integrated catching device on overtravel brake devices10 Sep 2019US 10,407,277 B2SIEMAG TECBERG GmbH
- Overwinding buffer device and method for vertical hoisting system16 Sep 2021US 2021/0284500 A1Taiyuan University of Technology
- Elevator control device3 Jun 2021US 2021/0163262 A1Mitsubishi Electric Corporation
- Shaft hoisting plant having an overwind brake device31 Jan 2019US 2019/0031471 A1Olko-Maschinentechnik GmbH
- Rescue apparatus and an elevator2 Nov 2017US 2017/0313551 A1Kone Corporation
- Overwind Conveyance Drop Protection5 May 2016US 2016/0122160 A1Technological Resources Pty. Limited
Most cited
By later US patents
- Tested and redundant elevator emergency terminal stopping capability27US 5,407,028 AOtis Elevator Company · 1995
- Elevator system19US 4,085,823 AWestinghouse Electric Corp. · 1978
- Elevator system13US 4,067,416 AWestinghouse Electric Corp. · 1978
- Elevator system13US 4,434,874 AWestinghouse Electric Corp. · 1984
- Elevator system11US 4,161,235 AWestinghouse Electric Corp. · 1979