B63B 23/48
Using winches for boat handling
Official title: using winches for boat handling (winches per se B66D)
B63B23/48 (Using winches for boat handling) appears on 34 US grants and 25 published applications in this corpus.
Search patents in B63B- Granted patents
- 34
- Published applications
- 25
- Assignees
- 25
- Inventors
- 48
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 2 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 5 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Guided lifting system29 Oct 2024US 12,128,991 B2Calzoni S.R.L.
- System for recovering a surface marine craft from a carrier ship3 Oct 2023US 11,772,751 B2Eca Robotics
- Lifeboat launch control system13 Apr 2021US 10,974,795 B2
- Measurement system for aquatic environments comprising a surface vessel and a submersible device29 Dec 2020US 10,875,614 B2Ixblue
- System and method for retrieving a vessel from water4 Aug 2020US 10,730,590 B2Thrust Maritime Holdings Pty Ltd
- System for manoeuvring a marine craft23 Jan 2025US 2025/0026452 A1
- Davit device11 Apr 2024US 2024/0116602 A1Vestdavit Gruppen AS
- System for recovering a surface marine craft from a carrier ship7 Jul 2022US 2022/0212760 A1Eca Robotics
- Guided lifting system28 Apr 2022US 2022/0126952 A1Calzoni S.R.L.
- Lifeboat launch control system2 Jul 2020US 2020/0207448 A1
Most cited
By later US patents
- Launch and recovery system31US 7,350,475 B2BAE Systems Land & Armaments L. P. · 2008
- Constant tension hoisting system26US 4,624,450 APACCAR Inc · 1986
- Winch having hydraulic speed control and planetary gear system23US 5,860,635 ASeascape Systems Limited · 1999
- Constant tension hoisting member21US 4,928,925 A1990
- Powered method and apparatus for lifting a boat18US 4,954,011 A1990