B63B 43/02
Reducing risk of capsizing or sinking
Official title: reducing risk of capsizing or sinking (by means of watertight doors in bulkheads B63B43/24)
B63B43/02 (Reducing risk of capsizing or sinking) appears on 616 US grants and 456 published applications in this corpus.
Search patents in B63B- Granted patents
- 616
- Published applications
- 456
- Assignees
- 272
- Inventors
- 1,011
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 11 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 14 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 5 | 0 |
| 1994 | 15 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 19 | 0 |
| 2000 | 20 | 0 |
| 2001 | 12 | 2 |
| 2002 | 21 | 15 |
| 2003 | 19 | 18 |
| 2004 | 18 | 20 |
| 2005 | 13 | 14 |
| 2006 | 13 | 11 |
| 2007 | 10 | 16 |
| 2008 | 5 | 13 |
| 2009 | 4 | 12 |
| 2010 | 11 | 19 |
| 2011 | 8 | 12 |
| 2012 | 7 | 12 |
| 2013 | 13 | 19 |
| 2014 | 14 | 26 |
| 2015 | 29 | 34 |
| 2016 | 19 | 21 |
| 2017 | 27 | 25 |
| 2018 | 22 | 21 |
| 2019 | 28 | 21 |
| 2020 | 16 | 25 |
| 2021 | 15 | 23 |
| 2022 | 18 | 17 |
| 2023 | 19 | 16 |
| 2024 | 12 | 20 |
| 2025 | 9 | 13 |
| 2026 | 17 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Submerged sailing vessel22 Sep 2026US 12,741,728 B2SubSeaSail LLC
- Personal watercraft18 Aug 2026US 12,709,359 B2Kawasaki Motors, Ltd.
- Wind-powered direct air carbon dioxide capture for ocean sequestration4 Aug 2026US 12,697,585 B2Dehlsen Associates of the Pacific Limited
- Below water-line hull repair system using composite patch heated by ferromagnetic heating device4 Aug 2026US 12,698,064 B2Temper IP, LLC
- Floatable concrete block structure and method for manufacturing same21 Jul 2026US 12,686,474 B2
- Counterweight for semi-submersible float of offshore wind turbine and installation method therefor27 Aug 2026US 2026/0249964 A1Saipem S.P.A.
- Boat stabilizing device that comprises foam sticks13 Aug 2026US 2026/0233812 A1Choir Innovation & Development Inc.
- Floating wind turbine systems and methods13 Aug 2026US 2026/0235105 A1Aikido Technologies, Inc.
- Aquatic Invasive Species Control Apparatuses and Methods for Watercraft16 Jul 2026US 2026/0200557 A1
- Floating Unit with Under Keel Tank16 Jul 2026US 2026/0200559 A1Chevron U.S.A.Inc.
Most cited
By later US patents
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Wake enhancement assembly119US 6,427,616 B12002
- Wakeboat hull control systems and methods85US 8,798,825 B12014
- Water sport towing apparatus73US 6,374,762 B1Correct Craft, Inc. · 2002