B66D 1/30
Rope, cable, or chain drums or barrels
B66D1/30 (Rope, cable, or chain drums or barrels) appears on 197 US grants and 189 published applications in this corpus.
Search patents in B66D- Granted patents
- 197
- Published applications
- 189
- Assignees
- 135
- Inventors
- 406
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 4 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 1 |
| 2005 | 1 | 4 |
| 2006 | 3 | 3 |
| 2007 | 0 | 1 |
| 2008 | 2 | 7 |
| 2009 | 7 | 4 |
| 2010 | 3 | 0 |
| 2011 | 3 | 3 |
| 2012 | 1 | 6 |
| 2013 | 1 | 10 |
| 2014 | 3 | 8 |
| 2015 | 10 | 12 |
| 2016 | 5 | 12 |
| 2017 | 12 | 9 |
| 2018 | 11 | 12 |
| 2019 | 13 | 14 |
| 2020 | 14 | 13 |
| 2021 | 15 | 20 |
| 2022 | 14 | 11 |
| 2023 | 7 | 14 |
| 2024 | 11 | 6 |
| 2025 | 8 | 7 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sluice gate16 Jun 2026US 12,655,910 B2
- Rescue hoist with cable release safety provision31 Mar 2026US 12,589,265 B2Hornet Acquisitionco, LLC
- Inward sloped drum face for pipe inspection camera system20 Jan 2026US 12,529,442 B2Seescan, Inc.
- Installation method and installation equipment for photovoltaic module in photovoltaic field area, and photovoltaic array20 Jan 2026US 12,531,506 B2Hunan Sunmotive Co., Ltd.
- Chain drive comprising double chain wheel, sling device, and chain drive system6 Jan 2026US 12,515,929 B2pewag austria GmbH
- Article Transport Vehicle30 Apr 2026US 2026/0116667 A1Daifuku Co., Ltd.
- Method and system for evaluating a retraction load for a winch hook retension system19 Mar 2026US 2026/0077982 A1Fca US LLC
- Line management devices, cable management devices and methods for guiding local distribution of utility lines26 Feb 2026US 2026/0058447 A1The Boeing Company
- Improved winch drum and a winch with such a winch drum29 Jan 2026US 2026/0028207 A1Selden Mast AB
- Modular lift system6 Nov 2025US 2025/0340409 A1Automatic Devices Company
Most cited
By later US patents
- Pretensioning mechanism for tension element drive systems66US 5,388,480 ABarrett Technology, Inc. · 1995
- Tire lift/carrier35US 4,625,947 ADeuer Manufacturing Inc. · 1986
- Spooling drum including stepped flanges30US 4,071,205 AHarnischfeger Corporation · 1978
- Mobile cable winch26US 4,575,050 ARotzler GmbH & Co. KG · 1986
- Sheave plate and cable assembly for a tire lift/carrier winch24US 5,251,877 ASparton Corporation · 1993