B63C 11/50
Using grapnels
Official title: using grapnels
B63C11/50 (Using grapnels) appears on 15 US grants and 11 published applications in this corpus.
Search patents in B63C- Granted patents
- 15
- Published applications
- 11
- Assignees
- 8
- Inventors
- 35
- Latest grant
- 13 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Marine clutch apparatus13 Apr 2021US 10,973,213 B2Qatar University
- Submarine support ship4 Aug 2020US 10,730,596 B2
- Collapsible grappling hook10 Jul 2007US 7,240,937 B2Tactical & Rescue Gear, Ltd.
- Collapsible grappling hook27 Sep 2005US 6,948,751 B2Tactical & Rescue Equipment, LLC
- Grapple anchor device for underwater towing of watercraft10 May 2005US 6,889,624 B1The United States of America as represented by the Secretary of the Navy
- Arrangement and Method for Retrieving Broken Moorings30 Apr 2026US 2026/0116517 A1Petroleo Brasileiro S.A. - Petrobras
- Submarine support ship30 Jan 2020US 2020/0031444 A1
- Marine clutch apparatus9 Jan 2020US 2020/0008409 A1Qatar University
- Retrieval tool for retrieving dropped items from an elevated location4 Dec 2014US 2014/0353992 A1
- Marine debris grapple device and method19 Jul 2012US 2012/0183384 A1
Most cited
By later US patents
- Collapsible grappling hook13US 6,948,751 B2Tactical & Rescue Equipment, LLC · 2005
- Anchor for hooking, severing and holding marine cable9US 4,805,547 AKokusai Denshin Denwa Kabushiki Kaisha · 1989
- Hook assembly for retrieving the chain bridle component of broken marine vessel towing lines8US 4,242,978 A1981
- Collapsible grappling hook5US 6,530,614 B1Tactical & Rescue Equipment, LLC · 2003
- Collapsible grappling hook5US 7,240,937 B2Tactical & Rescue Gear, Ltd. · 2007