B66B 9/083
Pull cable, pull chain
Official title: {Pull cable, pull chain}
B66B9/083 (Pull cable, pull chain) appears on 28 US grants and 17 published applications in this corpus.
Search patents in B66B- Granted patents
- 28
- Published applications
- 17
- Assignees
- 7
- Inventors
- 46
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electric stair lift2 Apr 2024US 11,945,692 B1
- Compact portable lift assembly15 Aug 2023US 11,724,913 B2Adaptive Concepts Ltd.
- Lift for telescopic passenger stairs for boarding passengers in wheelchairs on a plane26 Apr 2022US 11,311,433 B2
- Compact portable lift assembly9 Nov 2021US 11,167,954 B2Adaptive Concepts Ltd.
Most cited
By later US patents
- Stairway wheelchair lift43US 5,052,521 AThe Cheney Company · 1991
- Electrical control system for stairway wheelchair lift29US 4,904,916 AThe Cheney Company · 1990
- Stairway with fail safe power lift for lading, the infirm, wheelchair patients, and the like27US 4,438,830 A1984
- Elevator system for transporting wheelchair patients19US 4,046,226 AFlinchbaugh-Murray Corporation · 1977
- Stairlift19US 4,627,517 A1986