B63B 22/16
Buoys: specially adapted for marking a navigational route
Official title: specially adapted for marking a navigational route (signalling or lighting devices B63B45/00)
B63B22/16 (Buoys: specially adapted for marking a navigational route) appears on 131 US grants and 99 published applications in this corpus.
Search patents in B63B- Granted patents
- 131
- Published applications
- 99
- Assignees
- 56
- Inventors
- 226
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 3 |
| 2007 | 5 | 3 |
| 2008 | 4 | 2 |
| 2009 | 1 | 7 |
| 2010 | 5 | 1 |
| 2011 | 1 | 5 |
| 2012 | 2 | 3 |
| 2013 | 4 | 0 |
| 2014 | 1 | 6 |
| 2015 | 3 | 3 |
| 2016 | 4 | 7 |
| 2017 | 4 | 1 |
| 2018 | 3 | 3 |
| 2019 | 2 | 6 |
| 2020 | 9 | 10 |
| 2021 | 5 | 9 |
| 2022 | 4 | 2 |
| 2023 | 8 | 5 |
| 2024 | 1 | 2 |
| 2025 | 5 | 9 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automatic submersible water sports course system1 Sep 2026US 12,722,746 B2
- Autonomous watercraft race course system4 Aug 2026US 12,698,059 B2Robobuoy Inc.
- Low probability of intercept signal interceptor buoy12 May 2026US 12,627,329 B2The United States of America as represented by the Secretary of the Navy
- HDPE marine boom with axial passage and chain stop25 Nov 2025US 12,479,538 B2Worthington Products Incorporated
- High-density polyethylene marine boom4 Nov 2025US 12,459,606 B2Worthington Products Incorporated
- Equipped Emergency Buoy20 Aug 2026US 2026/0242038 A1
- Buoy and buoy assembly21 May 2026US 2026/0138710 A1Cochrane USA, Inc.
- Hdpe marine boom with axial passage and chain stop26 Feb 2026US 2026/0054803 A1Worthington Products Incorporated
- Automatic Submersible Water Sports Course System2 Oct 2025US 2025/0304216 A1
- Channel marker25 Sep 2025US 2025/0296662 A1Luminsea, LLC
Most cited
By later US patents