B63C 11/20
From water surface
Official title: from water surface
B63C11/20 (From water surface) appears on 247 US grants and 192 published applications in this corpus.
Search patents in B63C- Granted patents
- 247
- Published applications
- 192
- Assignees
- 74
- Inventors
- 317
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 2 | 0 |
| 1999 | 14 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 1 |
| 2002 | 7 | 8 |
| 2003 | 6 | 8 |
| 2004 | 6 | 13 |
| 2005 | 6 | 11 |
| 2006 | 11 | 9 |
| 2007 | 9 | 12 |
| 2008 | 1 | 15 |
| 2009 | 3 | 8 |
| 2010 | 7 | 4 |
| 2011 | 5 | 9 |
| 2012 | 7 | 2 |
| 2013 | 4 | 3 |
| 2014 | 1 | 5 |
| 2015 | 3 | 9 |
| 2016 | 1 | 7 |
| 2017 | 7 | 8 |
| 2018 | 3 | 9 |
| 2019 | 4 | 11 |
| 2020 | 7 | 15 |
| 2021 | 10 | 7 |
| 2022 | 7 | 6 |
| 2023 | 4 | 4 |
| 2024 | 3 | 6 |
| 2025 | 3 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Body structure of a water sports breathing tube25 Jun 2026US 2026/0175951 A1Qbas Co., Ltd.
- Breathing device for divers24 Jul 2025US 2025/0236372 A1Cressi-Sub S.p.A.
- Breathable mask and body thereof5 Dec 2024US 2024/0400176 A1Qbas Co., Ltd.
- Breathable mask and body thereof5 Dec 2024US 2024/0400177 A1Qbas Co., Ltd.
- Automated self-contained hookah system with unobstrusive aquatic data recording3 Oct 2024US 2024/0334090 A1Blu3, Inc.
Most cited
By later US patents
- Adjustable strap for use with a diver's face mask212US 4,910,806 AInnovative Scuba Concepts, Inc. · 1990
- Underwater-breathing device190US 4,304,229 A1981
- Underwater breathing apparatus187US 4,245,632 AS.C.A.B.A., Inc. · 1981
- Exercise snorkel apparatus70US 4,878,491 A1989
- Snorkel with a laterally extended downward opening for airflow entry and a universally adjustable mouthpiece54US 5,267,556 A1993