B66D 1/00
Rope, cable, or chain winding mechanisms
Official title: Rope, cable, or chain winding mechanisms; Capstans (portable or mobile lifting or hauling appliances B66D3/00)
B66D1/00 (Rope, cable, or chain winding mechanisms) appears on 2,763 US grants and 2,253 published applications in this corpus.
Search patents in B66D- Granted patents
- 2,763
- Published applications
- 2,253
- Assignees
- 1,220
- Inventors
- 4,486
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 67 | 0 |
| 1977 | 58 | 0 |
| 1978 | 46 | 0 |
| 1979 | 36 | 0 |
| 1980 | 55 | 0 |
| 1981 | 35 | 0 |
| 1982 | 30 | 0 |
| 1983 | 28 | 0 |
| 1984 | 48 | 0 |
| 1985 | 37 | 0 |
| 1986 | 39 | 0 |
| 1987 | 37 | 0 |
| 1988 | 26 | 0 |
| 1989 | 28 | 0 |
| 1990 | 20 | 0 |
| 1991 | 17 | 0 |
| 1992 | 23 | 0 |
| 1993 | 23 | 0 |
| 1994 | 29 | 0 |
| 1995 | 21 | 0 |
| 1996 | 17 | 0 |
| 1997 | 31 | 0 |
| 1998 | 35 | 0 |
| 1999 | 40 | 0 |
| 2000 | 47 | 0 |
| 2001 | 18 | 6 |
| 2002 | 41 | 35 |
| 2003 | 48 | 33 |
| 2004 | 27 | 38 |
| 2005 | 22 | 47 |
| 2006 | 41 | 47 |
| 2007 | 40 | 39 |
| 2008 | 37 | 63 |
| 2009 | 55 | 62 |
| 2010 | 57 | 68 |
| 2011 | 54 | 66 |
| 2012 | 41 | 71 |
| 2013 | 45 | 101 |
| 2014 | 64 | 95 |
| 2015 | 72 | 100 |
| 2016 | 79 | 132 |
| 2017 | 90 | 105 |
| 2018 | 128 | 152 |
| 2019 | 152 | 181 |
| 2020 | 169 | 155 |
| 2021 | 137 | 141 |
| 2022 | 112 | 132 |
| 2023 | 102 | 109 |
| 2024 | 114 | 109 |
| 2025 | 103 | 89 |
| 2026 | 42 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66D 1/28Rope, cable, or chain winding mechanisms: other constructional details1,431
- B66D 1/02Driving gear948
- B66D 1/60Rope, cable, or chain winding mechanisms: adapted for special purposes727
- B66D 1/54Safety gear402
- B66D 1/26Rope, cable, or chain winding mechanisms: having several drums or barrels133
- B66D 1/005Attaching winches to vehicle wheels19
Recent patents
- Cow—wire spooler6 Oct 2026US 12,753,052 B2Dish Wireless L. L. C.
- Moveable winch control system15 Sep 2026US 12,735,304 B2Bpg-Arrowhead Winch Inc.
- Forestry winch1 Sep 2026US 12,722,945 B2
- Motor unit for a telescopic pole assembly11 Aug 2026US 12,703,610 B2Skylotec GmbH
- Devices, systems and methods for controlling cable drive mechanisms28 Jul 2026US 12,691,575 B2Intuitive Surgical Operations, Inc.
- Free Fall Winch8 Oct 2026US 2026/0307954 A1Liebherr-Components Biberach GmbH
- Modular self-climbing hoist10 Sep 2026US 2026/0263959 A1
- Guiding Mechanism and Worm Gear Winch10 Sep 2026US 2026/0265026 A1Topsun Intelligent Control Technology Research Institute (Hangzhou) Co., Ltd.
- Load Stability Systems and Methods27 Aug 2026US 2026/0249992 A1
- Operation of a trailing cable27 Aug 2026US 2026/0251515 A1Innomotics GmbH
Most cited
By later US patents
- Method of actively controlling winch swing via modulated uptake and release324US 9,422,139 B1Google Inc. · 2016
- AC powered service rig160US 7,717,193 B2Nabors Canada · 2010
- Draw-works and method for operating the same154US 10,138,098 B2National Oilwell Varco Norway AS · 2018
- Cable pulling device119US 4,635,875 A1987
- Winch wheel device with half cleat109US 5,676,349 A1997