B63B 2041/003
Collapsible keels, or the like
Official title: {Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels}
B63B2041/003 (Collapsible keels, or the like) appears on 27 US grants and 17 published applications in this corpus.
Search patents in B63B- Granted patents
- 27
- Published applications
- 17
- Assignees
- 9
- Inventors
- 36
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 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
- Floating power generation platform24 Mar 2026US 12,583,560 B2Mighty Waves Energy, LLC.
- Motorized floating picnic table31 Oct 2023US 11,801,921 B2Maine Float LLC
- System for deploying and recovering an autonomous underwater device, method of use11 Jul 2023US 11,697,478 B2Exail
- Floating maritime vessel comprising a detachable measuring keel3 May 2022US 11,319,037 B2Ixblue
- Surface vessel with motorised mechanical propulsion having a fusiform hull and ballasted keel7 Sep 2021US 11,110,995 B2Ixblue
- Autonomous motorised monohull ship with weighted keel transformable into a trimaran21 Mar 2024US 2024/0092463 A1Exail
- Floating power generation platform11 Jan 2024US 2024/0010310 A1Mighty Waves Energy, LLC.
- Maritime drone21 Sep 2023US 2023/0294808 A1Xunord S.R.L.
- Motorized floating picnic table23 Mar 2023US 2023/0091754 A1Maine Float LLC
- System for deploying and recovering an autonomous underwater device, method of use5 Aug 2021US 2021/0237838 A1Ixblue
Most cited
By later US patents
- Fast self righting catamaran41US 4,610,212 A1986
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications38US 7,958,835 B22011
- Submersible vessel having retractable wing and keel assemblies31US 9,896,162 B2Ocean Aero Inc. · 2018
- Sailboat control apparatus13US 4,044,703 A1977
- Split-hinged, winged, self-cradling shallow draft keel for sailing vessel13US 5,152,238 A1992