B66D 1/7494
Self-tailing capstans
Official title: {Self-tailing capstans}
B66D1/7494 (Self-tailing capstans) appears on 65 US grants and 21 published applications in this corpus.
Search patents in B66D- Granted patents
- 65
- Published applications
- 21
- Assignees
- 23
- Inventors
- 80
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 5 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for monitoring windlass rotation4 Mar 2025US 12,240,574 B2
- Techniques for monitoring windlass rotation27 Feb 2024US 11,912,379 B2
- Self-tailing winch1 Aug 2023US 11,713,225 B2Ronstan International Pty. Ltd.
- Methods and apparatus for measuring and monitoring an anchoring operation26 Jul 2022US 11,396,352 B2
- Winch provided with adjustable self-tailing and relative operation6 Aug 2019US 10,370,228 B2Harken Italy S.p.A.
- Improved winch drum and a winch with such a winch drum29 Jan 2026US 2026/0028207 A1Selden Mast AB
- Methods for monitoring windlass rotation1 Aug 2024US 2024/0253750 A1
- Techniques for monitoring windlass rotation2 Feb 2023US 2023/0032340 A1
- Methods and apparatus for measuring and monitoring an anchoring operation14 Oct 2021US 2021/0316827 A1
- Self-Tailing Winch17 Jun 2021US 2021/0179399 A1Ronstan International Pty. Ltd.
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