B63B 11/04
Constructional features of bunkers
Official title: Constructional features of bunkers, {e.g. structural fuel tanks,} or ballast tanks, e.g. with elastic walls ({tanks for fuel or the like not forming subdivisions of the hull B63B17/0027; } cleaning of tanks B63B57/00)
B63B11/04 (Constructional features of bunkers) appears on 110 US grants and 63 published applications in this corpus.
Search patents in B63B- Granted patents
- 110
- Published applications
- 63
- Assignees
- 69
- Inventors
- 196
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 2 | 7 |
| 2008 | 1 | 2 |
| 2009 | 5 | 4 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 1 |
| 2016 | 3 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 5 | 10 |
| 2020 | 5 | 5 |
| 2021 | 5 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of soft ballast tank decontamination and related systems and apparatus6 Oct 2026US 12,752,884 B1Correct Craft IP Holdings, LLC
- Liquefied gas carrier13 Aug 2024US RE50,076 E1Hyundai Heavy Industries Co., Ltd.
- Curve-combined square pressure tank22 Aug 2023US 11,731,505 B2Latticetechnology Co., Ltd.
- Ballast seal8 Aug 2023US 11,718,373 B2Carl Freudenberg KG
- System and method for off-shore and in-shore aquaculture using floating closed containment farming and amalgamated facility13 Sep 2022US 11,439,131 B2Ame2 Pte Ltd
- Power generation apparatus13 Aug 2026US 2026/0235099 A14Rivers Power Engineering PTY Ltd
- Floating structure19 Feb 2026US 2026/0048822 A1Single Buoy Moorings Inc.
- Low-profile cargo vessels providing transport of shipping containers5 Feb 2026US 2026/0035056 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Watercraft with fuel reservoir16 Jan 2025US 2025/0019041 A1BRP Marine US Inc.
- Ballast bladder and ballast system for a boat5 Sep 2024US 2024/0294236 A1MasterCraft Boat Company, LLC
Most cited
By later US patents
- Wake enhancing structure93US 5,787,835 AIsotech, Inc. · 1998
- Method and apparatus for killing microorganisms in ship ballast water77US 5,932,112 ABrowning Transport Management, Inc. · 1999
- Boat wake enhancer74US 6,158,375 A2000
- Liquid cargo container47US 4,230,061 ABaltek Corporation · 1980
- Liquid cargo container for marine transport40US 5,363,787 A1994