B63B 21/20
Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
B63B21/20 (Adaptations of chains, ropes, hawsers, or the like, or of parts thereof) appears on 317 US grants and 345 published applications in this corpus.
Search patents in B63B- Granted patents
- 317
- Published applications
- 345
- Assignees
- 209
- Inventors
- 688
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 3 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 4 | 3 |
| 2006 | 2 | 3 |
| 2007 | 3 | 4 |
| 2008 | 2 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 3 | 2 |
| 2012 | 3 | 3 |
| 2013 | 4 | 8 |
| 2014 | 2 | 15 |
| 2015 | 11 | 12 |
| 2016 | 10 | 20 |
| 2017 | 17 | 24 |
| 2018 | 18 | 15 |
| 2019 | 16 | 19 |
| 2020 | 15 | 13 |
| 2021 | 15 | 31 |
| 2022 | 22 | 39 |
| 2023 | 26 | 43 |
| 2024 | 29 | 29 |
| 2025 | 31 | 25 |
| 2026 | 19 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mooring connector for connecting synthetic fibre ropes25 Aug 2026US RE51,012 E1Nylacast Engineered Products Ltd
- Floating body without separate connection device and connection method thereof14 Jul 2026US 12,679,507 B2Korea Institute of Ocean Science & Technology
- Method for installing at least one mooring line of a floating installation in a body of water and associated floating installation14 Jul 2026US 12,679,508 B2Technip Energies France
- Mooring systems and processes for using same30 Jun 2026US 12,668,330 B2Modec America, Inc.
- Underwater anchoring devices, systems, and methods9 Jun 2026US 12,649,546 B2Verterra Energy Inc.
- Seabed anchoring device24 Sep 2026US 2026/0285445 A1Technip Energies France
- Underwater anchoring devices, systems, and methods24 Sep 2026US 2026/0285446 A1Verterra Energy Inc.
- Continuous-wave radar system for detecting ferrous and non-ferrous metals in saltwater environments24 Sep 2026US 2026/0287734 A1HG Partners, LLC
- Swivel-based mooring device and system27 Aug 2026US 2026/0249955 A1East Carolina University
- Underwater towing system27 Aug 2026US 2026/0249958 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Dual wall steel and fiber composite mooring element for deep water offshore structures30US 4,768,455 AConoco Inc. · 1988
- Deep water riser system for offshore drilling29US 4,448,266 A1984
- Quick release coupling device for anchor ropes28US 4,733,625 A1988
- Adjustable boat mooring system for a flexibly-supported tension leg platform27US 5,159,891 AShell Offshore Inc. · 1992
- Floating structure25US 4,155,673 AMitsui Engineering & Shipbuilding Co., Ltd. · 1979