B63B 3/34
Of longitudinal type
Official title: of longitudinal type; Bulkhead connections
B63B3/34 (Of longitudinal type) appears on 14 US grants and 12 published applications in this corpus.
Search patents in B63B- Granted patents
- 14
- Published applications
- 12
- Assignees
- 12
- Inventors
- 29
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hull structure16 Dec 2025US 12,497,136 B2Intermine—S.p.A.
- Personal watercraft7 Jan 2025US 12,187,389 B2Polaris Industries Inc.
- Stringer and system for mounting equipment to a vessel's hull5 Sep 2023US 11,745,832 B2
- Load-bearing frame structure for maritime vehicles17 Aug 2021US 11,091,227 B2Dive Technologies Inc.
- Dual watercraft separable boating system9 Oct 2018US 10,093,392 B1
- Scalable battery and support system for marine applications17 Sep 2026US 2026/0274087 A1Polaris Industries Inc.
- Personal watercraft1 May 2025US 2025/0136247 A1Polaris Industries Inc.
- Hull structure9 Feb 2023US 2023/0039924 A1Intermarine S.p.A.
- Personal watercraft25 Aug 2022US 2022/0266951 A1Polaris Industries Inc.
- Stringer and system for mounting equipment to a vessel's hull12 May 2022US 2022/0144384 A1Torx Marine Inc.
Most cited
By later US patents
- Boat bottom construction15US 5,063,870 A1991
- Boat with integrated floor and stringer system and associated method of manufacturing13US 6,032,606 A2000
- Variable flexible stringer, bodyboard and method12US 6,036,560 AEarth & Ocean Sports, Inc. · 2000
- Boat with integrated floor and stringer system and associated method of manufacturing12US 6,161,496 A2000
- Molded boat hull with integrally contained areas of localized reinforcement10US 5,676,088 AAllied Logic Corporation · 1997