B63B 23/32
Rigid guides
Official title: Rigid guides, e.g. having arms pivoted near waterline
B63B23/32 (Rigid guides) appears on 50 US grants and 41 published applications in this corpus.
Search patents in B63B- Granted patents
- 50
- Published applications
- 41
- Assignees
- 30
- Inventors
- 76
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 3 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 3 |
| 2015 | 5 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems for lifting and stowing water-borne vessels5 Dec 2023US 11,834,134 B2
- Automatic berthing system for unmanned ship22 Aug 2023US 11,731,738 B1Land Sea Space (Yantai) Information Technology Co., Ltd
- Nautical vessel docking and storage system4 Jan 2022US 11,214,339 B1
- Handling system and method of use thereof9 Nov 2021US 11,167,824 B2Sealls Pty Ltd
- Boat transfer system20 Jul 2021US 11,066,132 B2Kongsberg Maritime AS
- System for manoeuvring a marine craft23 Jan 2025US 2025/0026452 A1
- Automatic berthing system for unmanned ship10 Aug 2023US 2023/0249784 A1Land Sea Space (Yantai) Information Technology Co., Ltd
- Nautical vessel docking and storage system6 Jan 2022US 2022/0001966 A1
- Systems for lifting and stowing water-borne vessels21 Oct 2021US 2021/0323641 A1
- A handling system and method of use thereof22 Apr 2021US 2021/0114694 A1Sealls Pty Ltd
Most cited
By later US patents
- On board dinghy cradle26US 5,133,275 A1992
- Apparatus for lifting and storing a dinghy or the like25US 5,193,479 A1993
- Small boat hoisting apparatus and method20US 4,964,358 A1990
- Dual position personal watercraft lift20US 6,003,463 ADWF Products Ltd. · 1999
- Lightweight cradle davit lift for an inflatable boat19US 4,864,951 A1989