B66D 1/7405
Having two or more drums providing tractive force
Official title: {having two or more drums providing tractive force}
B66D1/7405 (Having two or more drums providing tractive force) appears on 96 US grants and 70 published applications in this corpus.
Search patents in B66D- Granted patents
- 96
- Published applications
- 70
- Assignees
- 76
- Inventors
- 158
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 4 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 4 |
| 2011 | 1 | 4 |
| 2012 | 3 | 3 |
| 2013 | 2 | 8 |
| 2014 | 4 | 6 |
| 2015 | 4 | 1 |
| 2016 | 2 | 4 |
| 2017 | 2 | 1 |
| 2018 | 5 | 6 |
| 2019 | 3 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 5 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Robotic surgical system with knife drive mechanism30 Dec 2025US 12,508,045 B2Cilag GmbH International
- Winch19 Aug 2025US 12,391,524 B2Hall Logic, Inc.
- Moving target trainer8 Jul 2025US 12,352,543 B2Bullseye Target Systems LLC
- Devices, systems and methods for controlling cable drive mechanisms28 Jan 2025US 12,208,520 B2Intuitive Surgical Operations, Inc.
- Retractable roof with hinged folding panel structures suspended with cables14 Jan 2025US 12,195,962 B2
- Lifting assembly11 Jun 2026US 2026/0159322 A1Ocado Innovation Limited
- Robotic surgical system with knife drive mechanism19 Mar 2026US 2026/0076702 A1Cilag GmbH International
- Devices, systems and methods for controlling cable drive mechanisms3 Jul 2025US 2025/0214230 A1Intuitive Surgical Operations, Inc.
- Electric hoist24 Apr 2025US 2025/0128920 A1Zhejiang Nowvow Mechanical and Electrical Co., Ltd.
- Lifting assembly23 Jan 2025US 2025/0026564 A1Ocado Innovation Limited
Most cited
By later US patents
- Cable pulling device119US 4,635,875 A1987
- Cable traction sheave40US 3,934,482 AThe United States of America as represented by the Secretary of the Navy · 1976
- Winch system for an airborne payload control system30US 10,519,013 B2Lockheed Martin Corporation · 2019
- Mobile cable winch26US 4,575,050 ARotzler GmbH & Co. KG · 1986
- Traction winch25US 3,966,170 AOcean Systems, Inc. · 1976