B66D 1/74
Capstans
B66D1/74 (Capstans) appears on 444 US grants and 281 published applications in this corpus.
Search patents in B66D- Granted patents
- 444
- Published applications
- 281
- Assignees
- 227
- Inventors
- 605
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 16 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 15 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 17 | 0 |
| 2001 | 8 | 1 |
| 2002 | 8 | 4 |
| 2003 | 3 | 4 |
| 2004 | 5 | 4 |
| 2005 | 1 | 4 |
| 2006 | 6 | 9 |
| 2007 | 7 | 9 |
| 2008 | 4 | 9 |
| 2009 | 9 | 6 |
| 2010 | 8 | 13 |
| 2011 | 8 | 10 |
| 2012 | 7 | 9 |
| 2013 | 5 | 23 |
| 2014 | 11 | 18 |
| 2015 | 10 | 9 |
| 2016 | 12 | 12 |
| 2017 | 10 | 4 |
| 2018 | 11 | 18 |
| 2019 | 12 | 17 |
| 2020 | 15 | 10 |
| 2021 | 8 | 15 |
| 2022 | 16 | 21 |
| 2023 | 12 | 13 |
| 2024 | 21 | 19 |
| 2025 | 13 | 11 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66D 1/7421Having a vertical rotation axis114
- B66D 1/7415Friction drives103
- B66D 1/7405Having two or more drums providing tractive force96
- B66D 1/7489Having a particular use86
- B66D 1/7494Self-tailing capstans65
- B66D 1/7442Having a horizontal rotation axis60
- B66D 1/7484Details concerning gearing arrangements51
- B66D 1/7463Accessories40
All 10 subgroupsShow fewer
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Most cited
By later US patents
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