B63G 8/24
Automatic depth adjustment
Official title: Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
B63G8/24 (Automatic depth adjustment) appears on 90 US grants and 85 published applications in this corpus.
Search patents in B63G- Granted patents
- 90
- Published applications
- 85
- Assignees
- 71
- Inventors
- 262
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 2 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 5 |
| 2013 | 4 | 6 |
| 2014 | 4 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 3 |
| 2017 | 0 | 3 |
| 2018 | 5 | 4 |
| 2019 | 4 | 3 |
| 2020 | 7 | 5 |
| 2021 | 4 | 5 |
| 2022 | 7 | 4 |
| 2023 | 9 | 5 |
| 2024 | 4 | 11 |
| 2025 | 7 | 10 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waterway sensor15 Sep 2026US 12,735,158 B2
- Submersible device for underwater sonar imagery15 Sep 2026US 12,736,669 B2Navico Group Americas, LLC
- Movement device for progressive movement on the surface of a body around which a fluid passes23 Jun 2026US 12,662,221 B2Universität Kassel
- Thermally controlled buoyancy device9 Jun 2026US 12,649,554 B1The United States of America as represented by the Secretary of the Navy
- Autonomous data acquisition system and method10 Mar 2026US 12,571,930 B2BP Exploration Operating Company Limited
- Trans-domain autonomous vehicle (tdav) buoyancy system and method thereof20 Aug 2026US 2026/0242073 A1
- Controlling buoyancy of underwater device using fuel cells and propellers30 Jul 2026US 2026/0217349 A1University of Houston System
- Valve for use in an anchoring and/or payload delivery system for an underwater ve hicle2 Jul 2026US 2026/0184410 A1National Oceanography Centre
- Hybrid buoyancy control for submersible vessels11 Jun 2026US 2026/0159207 A1SubSeaSail LLC
- Vectored Buoyancy Engine System16 Apr 2026US 2026/0103270 A1Woods Hole Oceanographic Institution
Most cited
By later US patents
- Method of controlling operating depth of an electricity-generating device having a tethered water current-driven turbine111US 6,091,161 ADehlsen Associates, LLC · 2000
- Buoyancy control systems and methods for submersible objects38US 8,069,808 B1Alaska Native Technologies, LLC · 2011
- Specific gravity equalizer system34US 4,187,796 AThe United States of America as represented by the Secretary of the Navy · 1980
- Depth control device32US 6,142,092 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2000
- Cable depth control apparatus28US 4,222,340 ASyntron, Inc. · 1980