B63B 3/16
Shells
Official title: Shells (ports or closures therefor B63B19/00)
B63B3/16 (Shells) appears on 138 US grants and 81 published applications in this corpus.
Search patents in B63B- Granted patents
- 138
- Published applications
- 81
- Assignees
- 80
- Inventors
- 262
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 6 | 3 |
| 2004 | 5 | 3 |
| 2005 | 2 | 9 |
| 2006 | 5 | 5 |
| 2007 | 4 | 6 |
| 2008 | 3 | 1 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 3 |
| 2015 | 2 | 3 |
| 2016 | 2 | 7 |
| 2017 | 8 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 1 |
| 2020 | 4 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 1 |
| 2023 | 3 | 2 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of assembling a tubular floating structure and its use20 May 2025US 12,304,600 B1Stiesdal Offshore A/S
- Collapsible watercraft18 Mar 2025US 12,252,221 B2Oru Kayak, Inc.
- Liquefied gas carrier13 Aug 2024US RE50,076 E1Hyundai Heavy Industries Co., Ltd.
- Implosion-resistant lightweight membrane shell devices for high-pressure applications23 Jul 2024US 12,043,350 B1The United States of America as represented by the Secretary of the Navy
- Container hopper barge with pedestal support system16 Jul 2024US 12,037,089 B2Arcosa Marine Products, Inc.
- Semi-submersible float for an offshore wind turbine1 Oct 2026US 2026/0296603 A1Saipem S.P.A.
- Submersible vehicle with a hydrodynamic profile4 Jun 2026US 2026/0152257 A1
- Method of assembling a tubular floating structure and its use22 May 2025US 2025/0162696 A1Stiesdal Offshore A/S
- Container hopper barge with pedestal support system17 Oct 2024US 2024/0343357 A1Arcosa Marine Products, Inc.
- Collapsible watercraft11 Apr 2024US 2024/0116604 A1Oru Kayak, Inc.
Most cited
By later US patents
- Composite structural laminate49US 6,050,208 AFern Investments Limited · 2000
- Foldable boat with light weight hull construction system48US 6,615,762 B12003
- Construction of large sandwich structures42US 5,007,225 ABritish Shipbuilders · 1991
- Composite steel structural plastic sandwich plate systems40US 5,778,813 AFern Investments Limited · 1998
- Expandable connector and method of using same to form curved structural framework34US 4,532,747 A1985