B63B 21/29
By weight
Official title: by weight, e.g. flukeless weight anchors
B63B21/29 (By weight) appears on 73 US grants and 70 published applications in this corpus.
Search patents in B63B- Granted patents
- 73
- Published applications
- 70
- Assignees
- 43
- Inventors
- 155
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 0 | 1 |
| 2011 | 4 | 6 |
| 2012 | 3 | 2 |
| 2013 | 0 | 1 |
| 2014 | 4 | 3 |
| 2015 | 4 | 5 |
| 2016 | 5 | 0 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 4 | 4 |
| 2020 | 4 | 4 |
| 2021 | 2 | 5 |
| 2022 | 2 | 2 |
| 2023 | 2 | 5 |
| 2024 | 1 | 6 |
| 2025 | 6 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shallow water anchor7 Jul 2026US 12,673,751 B2Lippert Components, Inc.
- Method for fabricating a gravity-based structure (GBS) at a specialized fabrication site16 Jun 2026US 12,655,592 B2Publischnoe Aktsionernoe Obshchestvo “NOVATEK”
- Embedding anchors in an underwater floor2 Jun 2026US 12,644,246 B2RCAM Technologies, Inc.
- Anchor system14 Apr 2026US 12,600,435 B1Hotwire Development, LLC
- Sand anchoring kit for watercraft30 Sep 2025US 12,428,108 B1
- Moorings for offshore installations6 Aug 2026US 2026/0225689 A1Subsea 7 Limited
- Kayak Anchor Support System11 Jun 2026US 2026/0159195 A1
- Refillable ballast anchor vessel11 Jun 2026US 2026/0159196 A1
- Anchoring system and method for installing and uninstalling the anchoring system12 Feb 2026US 2026/0042509 A1Gazelle Wind Power Limited
- Method for fabricating a gravity-based structure (gbs) at a specialized fabrication site3 Apr 2025US 2025/0109561 A1Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
Most cited
By later US patents
- Lightweight inflatable swim raft anchor apparatus20US 4,729,331 A1988
- Method for installing a pile anchor18US 6,910,831 B2ExxonMobil Upstream Research Company · 2005
- Anchor for beach air mattresses or rafts17US 4,913,672 A1990
- Anchor installation system16US 7,527,455 B2ExxonMobil Upstream Research Company · 2009
- Shallow water anchor system16US 7,921,794 B12011