B63B 3/62
Double bottoms
Official title: Double bottoms; Tank tops
B63B3/62 (Double bottoms) appears on 10 US grants and 11 published applications in this corpus.
Search patents in B63B- Granted patents
- 10
- Published applications
- 11
- Assignees
- 11
- Inventors
- 25
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pleasure craft having an improved deck construction24 Feb 2026US 12,559,203 B2Archimede Marine Innovations & Solutions S.r.l.—in breve—AMIS S.r.l.
- Container hopper barge with pedestal support system16 Jul 2024US 12,037,089 B2Arcosa Marine Products, Inc.
- Vessel for cleaning waste in shallow waters24 Aug 2021US 11,097,815 B2
- Planing hull catamaran for high speed operation in a seaway31 Dec 2019US 10,518,843 B1Morrelli & Melvin Design & Engineering, Inc.
- Double bottom hull for tank ship4 Jan 2000US 6,009,821 ASaudi Arabian Oil Company
- Container hopper barge with pedestal support system17 Oct 2024US 2024/0343357 A1Arcosa Marine Products, Inc.
- Marine boat with ballistic protection18 Jul 2024US 2024/0239445 A1Fixdefence Savunma Sanayi Ve Ticaret Anonim Sirketi
- Pleasure craft having an improved deck construction8 Jun 2023US 2023/0174195 A1Sanlorenzo S.P.A.
- Container hopper barge with pedestal support system31 Mar 2022US 2022/0097807 A1Arcosa Marine Products, Inc.
- Vessel for cleaning waste in shallow waters30 Apr 2020US 2020/0130787 A1
Most cited
By later US patents
- Double-hulled vessel construction having vertical double-walled longitudinal bulkhead9US 5,086,723 AMarinex International, Inc. · 1992
- Double bottom hull for tank ship8US 6,009,821 ASaudi Arabian Oil Company · 2000
- Simplified midbody section for marine vessels and method and apparatus for construction6US 5,398,630 AUS Shipbuilding Corporation, Inc. · 1995
- Planing hull catamaran for high speed operation in a seaway4US 10,518,843 B1Morrelli & Melvin Design & Engineering, Inc. · 2019
- Simplified midbody section for liquid cargo vessels and method and apparatus for construction4US 5,359,953 AUS Shipbuilding Corporation, Inc. · 1994