B63C 2011/306
Attachment means for quick release of ballast
Official title: {Attachment means for quick release of ballast}
B63C2011/306 (Attachment means for quick release of ballast) appears on 41 US grants and 22 published applications in this corpus.
Search patents in B63C- Granted patents
- 41
- Published applications
- 22
- Assignees
- 15
- Inventors
- 41
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 5 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Free diving weight belts with accessory attachments3 Feb 2026US 12,539,949 B2
- Releasable connecting device16 Jul 2019US 10,349,706 B2
- Safety buckle with provision for emergency release13 Nov 2018US 10,123,591 B2
- Weight system for a buoyancy compensator29 Mar 2016US 9,296,451 B2Atomic Aquatics, LLC
- Removable diving weight29 Mar 2016US 9,296,452 B2
- Buoyancy Compensator Integrated Weight System31 Jul 2025US 2025/0242898 A1Johnson Outdoors Inc.
- Free Diving Weight Belts with Accessory Attachments15 May 2025US 2025/0153820 A1
- System for rapid release of a weight8 Aug 2024US 2024/0262474 A1Mares S.P.A.
- Modular locking connectors for portable harness systems, methods and devices11 Apr 2019US 2019/0104809 A1Aqua Lung America, Inc.
- Tank support11 Apr 2019US 2019/0106186 A1Aqua Lung America, Inc.
Most cited
By later US patents
- Custom underwater diving system57US 4,752,263 ACuda International Corporation · 1988
- Combination buoyancy compensator and support for a diver's backpack with a swivel buckle and triangular holder45US 5,860,769 ASeaQuest, Inc. · 1999
- Water safety and survival system39US 5,516,233 A1996
- Water safety and survival system28US 5,855,454 A1999
- Integral buoyancy and ballast system for scuba divers26US 4,887,932 AUnder Sea Industries, Inc. · 1989