B66D 1/7421
Having a vertical rotation axis
Official title: {having a vertical rotation axis}
B66D1/7421 (Having a vertical rotation axis) appears on 114 US grants and 50 published applications in this corpus.
Search patents in B66D- Granted patents
- 114
- Published applications
- 50
- Assignees
- 47
- Inventors
- 132
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 4 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 4 | 3 |
| 2023 | 1 | 2 |
| 2024 | 6 | 7 |
| 2025 | 2 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Winch arrangement for a sailing boat9 Dec 2025US 12,492,106 B2Selden Mast AB
- Methods for monitoring windlass rotation4 Mar 2025US 12,240,574 B2
- Rope management system17 Sep 2024US 12,091,139 B2Rope Buddy, LLC.
- Line tensioner17 Sep 2024US 12,091,294 B2Hall Labs LLC
- Method for mounting or dismounting components of a wind turbine and rope winch unit9 Jul 2024US 12,030,750 B2Wobben Properties GmbH
- Winch system for sailing vessels4 Jun 2026US 2026/0152374 A1Antal S.R.L.
- Winch System for Sailing Vessels21 May 2026US 2026/0138856 A1Antal S.R.L.
- Handle for winches and the like19 Mar 2026US 2026/0077981 A1Antal S.R.L.
- Winch handle for sailboat winches27 Nov 2025US 2025/0361127 A1Proxdrive AS
- Winch automation device, associated automated winch and associated installation method10 Jul 2025US 2025/0223138 A1
Most cited
By later US patents
- Automatic load responsive winch25US 5,368,279 AIMI-Barient, Inc. · 1994
- Self-tailing winch23US 3,968,953 ABarient Company · 1976
- Self tailing winch22US 3,985,340 ABarient Company · 1976
- Winch22US 4,151,980 ALewmar Marine Limited · 1979
- Winch having a multiple diameter drum22US 6,019,353 ALewmar Marine Limited · 2000