B66D 3/12
Chain or like hand-operated tackles with or without power transmission gearing between
Official title: Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
B66D3/12 (Chain or like hand-operated tackles with or without power transmission gearing between) appears on 162 US grants and 88 published applications in this corpus.
Search patents in B66D- Granted patents
- 162
- Published applications
- 88
- Assignees
- 58
- Inventors
- 186
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 8 |
| 2003 | 8 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 5 | 3 |
| 2008 | 5 | 6 |
| 2009 | 7 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 6 |
| 2014 | 0 | 3 |
| 2015 | 4 | 7 |
| 2016 | 3 | 3 |
| 2017 | 6 | 4 |
| 2018 | 6 | 5 |
| 2019 | 6 | 5 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 0 | 5 |
| 2023 | 3 | 5 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lifting gear6 Jan 2026US 12,515,928 B2Columbus Mckinnon Industrial Products GmbH
- Brake device, lever hoist, and ratchet mechanism25 Nov 2025US 12,479,703 B2Kito Corporation
- Arrangement for aligning a raised load30 Sep 2025US 12,428,269 B2Heinrich de Fries GmbH
- Rotation lock device, lever hoist, and hoisting machine31 Dec 2024US 12,180,044 B2Kito Corporation
- Electric chain block1 Oct 2024US 12,103,829 B2Kito Corporation
- Brake device, lever hoist, and ratchet mechanism5 Mar 2026US 2026/0062263 A1Kito Corporation
- Powered handheld chain driver and methods16 Jan 2025US 2025/0019212 A1
- Lifting device9 Jan 2025US 2025/0011144 A1Flexcrane, Inc.
- Lifting gear28 Mar 2024US 2024/0101400 A1Columbus Mckinnon Industrial Products GmbH
- Lever hoist22 Feb 2024US 2024/0059533 A1Columbus Mckinnon Industrial Products GmbH
Most cited
By later US patents
- Tensioning assembly32US 7,562,862 B1USA Products Group, Inc. · 2009
- Lever-type load binder30US 4,422,218 ADominion Chain Inc. · 1983
- Lever hoist23US 4,469,308 AKito Corporation · 1984
- Strap fastener23US 6,641,116 B12003
- Portable raising and lowering device and equipment therefor20US 7,284,745 B2British Columbia Institute of Technology · 2007