B63B 21/64
Equipment for towing or pushing vessels by vehicles or beings moving forward
Official title: Equipment for towing or pushing vessels by vehicles or beings moving forward on ground-based paths along water-way (boat-hooks or the like B63B21/54)
B63B21/64 (Equipment for towing or pushing vessels by vehicles or beings moving forward) appears on 8 US grants and 12 published applications in this corpus.
Search patents in B63B- Granted patents
- 8
- Published applications
- 12
- Assignees
- 9
- Inventors
- 15
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for launch and recovery of a marine vessel9 Dec 2025US 12,491,968 B2Sealartec Ltd.
- System and method for launch and recovery of a marine vessel6 Jun 2023US 11,667,355 B2Sealartec Ltd.
- Vessel30 May 2023US 11,661,158 B2
- System and method for launch and recovery of a marine vessel7 Dec 2021US 11,192,614 B2Sealartec Ltd.
- Hitching device3 Nov 2020US 10,822,064 B2Wettoncraft
- Floating object cleanup device12 Jun 2025US 2025/0187707 A1ChinaShip Coolkind (Zhejiang) Technology Co., Ltd.
- System and method for launch and recovery of a marine vessel4 Jul 2024US 2024/0217626 A1Sealartec Ltd.
- System and method for launch and recovery of a marine vessel17 Aug 2023US 2023/0257076 A1Sealartec Ltd.
- Submerged floating rail transit system18 Aug 2022US 2022/0259806 A1Nanjing Xinghai Future Technology Development Co., Ltd.
- Vessel2 Jun 2022US 2022/0169344 A1
Most cited
By later US patents