B63B 2041/006
Telescopically collapsible keels
Official title: {Telescopically collapsible keels}
B63B2041/006 (Telescopically collapsible keels) appears on 13 US grants and 4 published applications in this corpus.
Search patents in B63B- Granted patents
- 13
- Published applications
- 4
- Assignees
- 3
- Inventors
- 17
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Floating power generation platform24 Mar 2026US 12,583,560 B2Mighty Waves Energy, LLC.
- System for deploying and recovering an autonomous underwater device, method of use11 Jul 2023US 11,697,478 B2Exail
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications20 Aug 2013US 8,511,246 B2
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications14 Jun 2011US 7,958,835 B2
- Sailboat rotatable keel appendage26 Feb 2002US 6,349,659 B1
- Floating power generation platform11 Jan 2024US 2024/0010310 A1Mighty Waves Energy, LLC.
- System for deploying and recovering an autonomous underwater device, method of use5 Aug 2021US 2021/0237838 A1Ixblue
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications29 Nov 2012US 2012/0298027 A1
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications21 May 2009US 2009/0126616 A1
Most cited
By later US patents
- Offshore floating production, storage, and off-loading vessel for use in ice-covered and clear water applications38US 7,958,835 B22011
- Method and apparatus to increase the velocity of sailing vessels7US 6,032,603 A2000
- Lifting keel for sporting sail boats6US 4,316,425 A1982
- Sailboat keel hoist assembly6US 5,431,121 A1995
- Retractable boat keel5US 4,563,971 A1986