H04R 1/44
Special adaptations for subaqueous use
Official title: Special adaptations for subaqueous use, e.g. for hydrophone
H04R1/44 (Special adaptations for subaqueous use) appears on 495 US grants and 475 published applications in this corpus.
Search patents in H04R- Granted patents
- 495
- Published applications
- 475
- Assignees
- 243
- Inventors
- 1,008
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 5 |
| 2003 | 6 | 6 |
| 2004 | 8 | 5 |
| 2005 | 7 | 9 |
| 2006 | 5 | 5 |
| 2007 | 6 | 5 |
| 2008 | 3 | 5 |
| 2009 | 4 | 3 |
| 2010 | 1 | 3 |
| 2011 | 3 | 6 |
| 2012 | 7 | 6 |
| 2013 | 5 | 11 |
| 2014 | 8 | 12 |
| 2015 | 11 | 17 |
| 2016 | 22 | 25 |
| 2017 | 30 | 33 |
| 2018 | 22 | 39 |
| 2019 | 29 | 29 |
| 2020 | 33 | 33 |
| 2021 | 29 | 60 |
| 2022 | 45 | 32 |
| 2023 | 45 | 46 |
| 2024 | 39 | 35 |
| 2025 | 25 | 24 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Camera microphone drainage system designed for beamforming29 Sep 2026US 12,750,617 B2GoPro, Inc.
- Vent assembly18 Aug 2026US 12,713,166 B2W. L. Gore & Associates (Shenzhen) Co., Ltd.
- Earphone and earphone assembly18 Aug 2026US 12,713,175 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Audio device with connection terminal and sensor11 Aug 2026US 12,707,184 B2Samsung Electronics Co., Ltd.
- Acoustic output device and components thereof4 Aug 2026US 12,701,349 B2Shenzhen Shokz Co., Ltd.
- Camera Microphone Drainage System Designed For Beamforming8 Oct 2026US 2026/0313293 A1GoPro, Inc.
- Downrigger Probe1 Oct 2026US 2026/0298720 A1Airmar Technology Corporation
- Waterproof member and waterproof case30 Jul 2026US 2026/0216629 A1Nitto Denko Corporation
- Earphones and methods for controlling earphones4 Jun 2026US 2026/0156399 A1Shenzhen Shokz Co., Ltd.
- Waterproof vibration transducer module28 May 2026US 2026/0149906 A1Hosiden Corporation
Most cited
By later US patents
- Bone conduction audio listening device and method310US 4,791,673 A1988
- Submersible personal stereo239US 4,683,587 A1987
- Acoustic transducer202US 5,146,435 AThe Charles Stark Draper Laboratory, Inc. · 1992
- System for housing an audio system in an aquatic environment196US 6,614,722 B2Diver Entertainment Systems, Inc. · 2003
- System for housing a personal S.C.U.B.A diving audio system182US 6,396,769 B12002