B63B 22/08
Having means to release or urge to the surface a buoy on
Official title: having means to release or urge to the surface a buoy on submergence thereof, e.g. to mark location of a sunken object
B63B22/08 (Having means to release or urge to the surface a buoy on) appears on 92 US grants and 59 published applications in this corpus.
Search patents in B63B- Granted patents
- 92
- Published applications
- 59
- Assignees
- 43
- Inventors
- 175
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 3 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 6 |
| 2015 | 5 | 4 |
| 2016 | 7 | 2 |
| 2017 | 5 | 1 |
| 2018 | 3 | 6 |
| 2019 | 4 | 3 |
| 2020 | 6 | 3 |
| 2021 | 3 | 6 |
| 2022 | 2 | 1 |
| 2023 | 6 | 4 |
| 2024 | 2 | 1 |
| 2025 | 5 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inflation fluid supply and discharge assembly, in particular for inflatable diving equipment, such as buoys, surface-marker buoys, balancing jackets or the like, and inflatable diving equipment provided with such assembly16 Dec 2025US 12,497,145 B2
- Fishing trap retrieval system with release mechanism29 Jul 2025US 12,369,571 B2
- Downhole robots with dissolvable fail-safe ballast25 Feb 2025US 12,234,696 B1Saudi Arabian Oil Company
- Changing buoyancy based on combining a liquid with a substrate28 Jan 2025US 12,208,922 B2Boston Engineering Corporation
- System for retrieval of objects lost in water14 Jan 2025US 12,195,141 B2Cmar AB
- On demand-delayed buoy release5 Feb 2026US 2026/0033468 A1
- Subsea structure monitoring systems and methods25 Sep 2025US 2025/0296661 A1
- Fishing trap retrieval system with release mechanism17 Apr 2025US 2025/0120376 A1
- Downhole robots with dissolvable fail-safe ballast27 Feb 2025US 2025/0067136 A1Aramco Services Company
- Surfacing device, information management device, and detachable moving body17 Oct 2024US 2024/0343361 A1Amuza Japan Co., Ltd.
Most cited
By later US patents
- Buoy and releasing system for ships in distress87US 5,066,256 A1991
- Emergency transmitter buoy and bracket assembly40US 4,981,453 ALitton Systems, Inc. · 1991
- Water submersible electronics assembly and methods of use39US 7,496,002 B2Nekton Research LLC · 2009
- Couplers30US 8,578,569 B1The United States of America as represented by the Secretary of the Navy · 2013
- Delivery systems for pressure protecting and delivering a submerged payload and methods for using the same26US 8,166,904 B2iRobot Corporation · 2012