B63G 8/00
Underwater vessels
Official title: Underwater vessels, e.g. submarines; {Equipment specially adapted therefor}(submarine hulls B63B3/13; diving chambers with mechanical link, e.g. cable, to a base B63C11/34; divers' sleds B63C11/46; torpedoes F42B19/00)
B63G8/00 (Underwater vessels) appears on 2,046 US grants and 1,912 published applications in this corpus.
Search patents in B63G- Granted patents
- 2,046
- Published applications
- 1,912
- Assignees
- 860
- Inventors
- 4,274
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 17 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 14 | 0 |
| 1992 | 20 | 0 |
| 1993 | 18 | 0 |
| 1994 | 21 | 0 |
| 1995 | 26 | 0 |
| 1996 | 26 | 0 |
| 1997 | 24 | 0 |
| 1998 | 19 | 0 |
| 1999 | 14 | 0 |
| 2000 | 24 | 0 |
| 2001 | 27 | 3 |
| 2002 | 25 | 20 |
| 2003 | 19 | 18 |
| 2004 | 27 | 21 |
| 2005 | 29 | 31 |
| 2006 | 35 | 19 |
| 2007 | 34 | 22 |
| 2008 | 15 | 31 |
| 2009 | 20 | 41 |
| 2010 | 23 | 28 |
| 2011 | 32 | 38 |
| 2012 | 35 | 64 |
| 2013 | 34 | 42 |
| 2014 | 48 | 88 |
| 2015 | 64 | 110 |
| 2016 | 97 | 112 |
| 2017 | 87 | 111 |
| 2018 | 115 | 149 |
| 2019 | 132 | 120 |
| 2020 | 125 | 124 |
| 2021 | 111 | 124 |
| 2022 | 108 | 108 |
| 2023 | 125 | 117 |
| 2024 | 131 | 137 |
| 2025 | 95 | 134 |
| 2026 | 87 | 100 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B63G 8/001Underwater vessels adapted for special purposes1,220
- B63G 8/14Control of attitude or depth573
- B63G 8/08Propulsion364
- B63G 8/42Towed underwater vessels225
- B63G 8/28Arrangement of offensive or defensive equipment186
- B63G 8/38Arrangement of visual or electronic watch equipment155
- B63G 8/04Superstructure109
- B63G 8/39Arrangements of sonic watch equipment87
All 10 subgroupsShow fewer
Recent patents
- Underwater rescue device29 Sep 2026US 12,747,009 B2
- Modular subsea vehicle29 Sep 2026US 12,747,012 B2Oceaneering International, Inc.
- Submerged sailing vessel22 Sep 2026US 12,741,728 B2SubSeaSail LLC
- Splash zone inspection robot15 Sep 2026US 12,735,156 B2Oceaneering International, Inc.
- Submersible robot system and methods of employing same15 Sep 2026US 12,735,157 B2Fleet Robotics, Inc.
- Remotely operated towed vehicle for sub-seabed sonar imaging8 Oct 2026US 2026/0307769 A1Fnv IP B.V.
- Shaft bearing8 Oct 2026US 2026/0307773 A1thyssenkrupp AG
- Field configurable autonomous land surface craft1 Oct 2026US 2026/0296612 A1The United States of America as represented by the Secretary of the Navy
- Robot1 Oct 2026US 2026/0299618 A1Honda Motor Co., Ltd.
- Underwater ROV-Guided Chemical Injector for Precision Treatment of Aquatic Invasive/Nuisance Species24 Sep 2026US 2026/0285455 A1The United States of America as represented by the Secretary of the Army
Most cited
By later US patents
- Submersible contactless power delivery system253US 5,301,096 AElectric Power Research Institute, Inc. · 1994
- Application of fuel cells to power generation systems246US 5,401,589 ACJBD Limited · 1995
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions157US 6,469,664 B1Honeywell International Inc. · 2002
- Self propelled device having a magnetohydrodynamic propulsion system141US 6,939,290 B2Given Imaging Ltd. · 2005