B63C 2011/182
Comprising devices for discharge of exhalation air into ambient water
Official title: {comprising devices for discharge of exhalation air into ambient water, e.g. ducts to back of head}
B63C2011/182 (Comprising devices for discharge of exhalation air into ambient water) appears on 3 US grants and 11 published applications in this corpus.
Search patents in B63C- Granted patents
- 3
- Published applications
- 11
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 26 Apr 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
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Recent patents
- Full face diving mask26 Apr 2022US 11,312,457 B2Seacsub S.P.A.
- Valve system for a breathing aid, mouthpiece system for a breathing aid, snorkling tube for a breathing aid, and breathing aid for swimmers22 Dec 2020US 10,870,470 B2AMEO Sports GmbH
- Exhaust air transfer device for open system underwater diving16 Apr 2013US 8,418,689 B1Davenport Innovations, Inc.
- System for controlling the exhalation pressure of a diver for diving ventilation equipment25 Mar 2021US 2021/0086883 A1
- Full face diving mask18 Jun 2020US 2020/0189700 A1Seacsub S.P.A.
- Full-face mask21 May 2020US 2020/0156745 A1Qbas Co., Ltd.
- Valve system for a breathing aid, mouthpiece system for a breathing aid, snorkling tube for a breathing aid, and breathing aid for swimmers4 Jan 2018US 2018/0001979 A1AMEO Sports GmbH
- Hazardous-environmental diving systems18 May 2017US 2017/0137097 A9Paragon Space Development Corporation
Most cited
By later US patents