B63B 3/13
Hulls built to withstand hydrostatic pressure when fully submerged
Official title: Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls
B63B3/13 (Hulls built to withstand hydrostatic pressure when fully submerged) appears on 89 US grants and 71 published applications in this corpus.
Search patents in B63B- Granted patents
- 89
- Published applications
- 71
- Assignees
- 67
- Inventors
- 212
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 0 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 6 |
| 2015 | 3 | 2 |
| 2016 | 6 | 1 |
| 2017 | 4 | 3 |
| 2018 | 4 | 6 |
| 2019 | 4 | 5 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 1 | 3 |
| 2023 | 7 | 7 |
| 2024 | 10 | 10 |
| 2025 | 3 | 4 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure-resistant cabin for deep-sea mobile operation apparatus, underwater mining vehicle, and underwater mobile robot14 Jul 2026US 12,679,504 B2Shenzhen Kumpong Intelligent Equipment Manufacturing Co., Ltd
- Tool-less mating bulkhead connector29 Jul 2025US 12,371,132 B1Vatn Systems Inc.
- Support structure for manufacturing a pressure vessel18 Mar 2025US 12,253,212 B2BAE SYSTEMS plc
- Pressure-resistant buoys14 Jan 2025US 12,195,144 B2Acergy France SAS
- Feedthroughs for enclosures in deep water vessels24 Dec 2024US 12,172,741 B2Aqua Satellite, Inc.
- Tool-less mating bulkhead connector25 Jun 2026US 2026/0175945 A1Vatn Systems Inc.
- Submersible vehicle with a hydrodynamic profile4 Jun 2026US 2026/0152257 A1
- Systems and methods for high-speed cargo transport30 Apr 2026US 2026/0116521 A1Archimedes Freight, Inc.
- External pressure vessels, submersible vehicles comprising external pressure vessels, and methods for manufacturing external pressure vessels1 Jan 2026US 2026/0001634 A1The Boeing Company
- A method and vessel for carbon sequestration23 Oct 2025US 2025/0326668 A1Seaweed Generation Ltd
Most cited
By later US patents
- Hollow spheres119US 4,111,713 AMinnesota Mining and Manufacturing Company · 1978
- Method and apparatus for producing hollow metal microspheres and microspheroids96US 4,415,512 A1983
- Method of making syntatic modules31US 3,996,654 AAlbany International Corp. · 1976
- Pressure vessel with improved external seal25US 4,865,210 AEndeco GmbH · 1989
- Pressure and buckling resisting undulated polyhedral shell structure20US 4,058,945 A1977