B63B 21/00
Tying-up
Official title: Tying-up; Shifting, towing, or pushing equipment; Anchoring ({of buoys B63B22/04;} dynamic anchoring B63H25/00 {; equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. for landing purposes, E02B})
B63B21/00 (Tying-up) appears on 4,225 US grants and 3,065 published applications in this corpus.
Search patents in B63B- Granted patents
- 4,225
- Published applications
- 3,065
- Assignees
- 1,585
- Inventors
- 6,421
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 77 | 0 |
| 1977 | 56 | 0 |
| 1978 | 71 | 0 |
| 1979 | 35 | 0 |
| 1980 | 32 | 0 |
| 1981 | 56 | 0 |
| 1982 | 53 | 0 |
| 1983 | 48 | 0 |
| 1984 | 61 | 0 |
| 1985 | 41 | 0 |
| 1986 | 59 | 0 |
| 1987 | 72 | 0 |
| 1988 | 66 | 0 |
| 1989 | 60 | 0 |
| 1990 | 66 | 0 |
| 1991 | 49 | 0 |
| 1992 | 40 | 0 |
| 1993 | 47 | 0 |
| 1994 | 64 | 0 |
| 1995 | 58 | 0 |
| 1996 | 61 | 0 |
| 1997 | 43 | 0 |
| 1998 | 76 | 0 |
| 1999 | 84 | 0 |
| 2000 | 97 | 0 |
| 2001 | 78 | 11 |
| 2002 | 89 | 63 |
| 2003 | 86 | 57 |
| 2004 | 54 | 78 |
| 2005 | 94 | 103 |
| 2006 | 90 | 87 |
| 2007 | 65 | 69 |
| 2008 | 62 | 89 |
| 2009 | 55 | 112 |
| 2010 | 69 | 109 |
| 2011 | 75 | 114 |
| 2012 | 78 | 104 |
| 2013 | 102 | 136 |
| 2014 | 126 | 138 |
| 2015 | 137 | 177 |
| 2016 | 148 | 158 |
| 2017 | 154 | 167 |
| 2018 | 145 | 150 |
| 2019 | 177 | 148 |
| 2020 | 129 | 157 |
| 2021 | 129 | 152 |
| 2022 | 130 | 163 |
| 2023 | 134 | 163 |
| 2024 | 130 | 141 |
| 2025 | 131 | 121 |
| 2026 | 86 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B63B 21/50Anchoring arrangements or methods for special vessels1,375
- B63B 21/56Towing or pushing equipment884
- B63B 21/24Anchors725
- B63B 21/04Fastening or guiding equipment for chains, ropes, hawsers, or the like711
- B63B 2021/003Mooring or anchoring equipment, not otherwise provided forIndexing code351
- B63B 21/20Adaptations of chains, ropes, hawsers, or the like, or of parts thereof317
- B63B 21/22Handling or lashing of anchors250
- B63B 2021/001Mooring bars, yokes, or the likeIndexing code159
Recent patents
- Mud floating type offshore wind turbine system and installation method thereof6 Oct 2026US 12,753,740 B2China Power Engineering Consulting Group Co., Ltd.
- Mooring system and processes for using same15 Sep 2026US 12,735,148 B2Modec America, Inc.
- Waterway sensor15 Sep 2026US 12,735,158 B2
- Submersible device for underwater sonar imagery15 Sep 2026US 12,736,669 B2Navico Group Americas, LLC
- Portable marine anchoring device and portable fender8 Sep 2026US 12,728,957 B2
- Multi-source with inline offset and method8 Oct 2026US 2026/0307761 A1Cgg Services SAS
- Integrated tensioner1 Oct 2026US 2026/0296599 A1Kongsberg Maritime AS
- Floating platform, in particular for an offshore wind turbine, having improved stability1 Oct 2026US 2026/0296602 A1Coffratherm
- Automatic retraction of a submersible component for a marine vessel1 Oct 2026US 2026/0296614 A1Rhodan Marine Systems of Florida, LLC
- Water buoy data system1 Oct 2026US 2026/0298630 A1
Most cited
By later US patents
- Adjustable interlocking telescopic handle and arm assembly147US 4,793,646 ANortheast Marine, Inc. · 1988
- Continually adjustable nonreturn knot112US 6,030,007 AHughes Electronics Corporation · 2000
- Submarine deployed ocean bottom seismic system109US 6,474,254 B1WesternGeco L. L. C. · 2002
- Camming cleat member for rope106US 5,070,805 A1991
- Mooring buoy with hawser tension indicator system106US 5,284,452 AAtlantic Richfield Company · 1994