H04R 25/654
Ear wax retarders
Official title: {Ear wax retarders}
H04R25/654 (Ear wax retarders) appears on 297 US grants and 297 published applications in this corpus.
Search patents in H04R- Granted patents
- 297
- Published applications
- 297
- Assignees
- 92
- Inventors
- 513
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 8 | 5 |
| 2003 | 4 | 4 |
| 2004 | 6 | 3 |
| 2005 | 5 | 11 |
| 2006 | 5 | 9 |
| 2007 | 4 | 14 |
| 2008 | 5 | 14 |
| 2009 | 3 | 9 |
| 2010 | 8 | 10 |
| 2011 | 8 | 9 |
| 2012 | 11 | 14 |
| 2013 | 9 | 14 |
| 2014 | 19 | 15 |
| 2015 | 9 | 13 |
| 2016 | 20 | 17 |
| 2017 | 12 | 10 |
| 2018 | 10 | 10 |
| 2019 | 14 | 17 |
| 2020 | 13 | 13 |
| 2021 | 15 | 8 |
| 2022 | 8 | 12 |
| 2023 | 12 | 20 |
| 2024 | 9 | 9 |
| 2025 | 18 | 18 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hearing device for placement in the ear having a receiver11 Aug 2026US 12,707,211 B2GN Hearing A/S
- Hearing device and method for analyzing biofluid secreted by outer ear tissue2 Jun 2026US 12,647,740 B2Sonova AG
- Threaded hearing aid dome connection19 May 2026US 12,634,647 B1
- Curved acoustic path for hearing instruments3 Mar 2026US 12,568,339 B2Starkey Laboratories, Inc.
- Hearing instrument housing with a battery door having an integrated audio channel24 Feb 2026US 12,563,354 B2Starkey Laboratories, Inc.
- Hearing device13 Aug 2026US 2026/0238936 A1GN Hearing A/S
- Hearing device6 Aug 2026US 2026/0230763 A1GN Hearing A/S
- Ingress protection for enabling field cleaning of ear-wearable audio devices4 Jun 2026US 2026/0156424 A1Starkey Laboratories, Inc.
- Ear-wearable electronic device including debris trap28 May 2026US 2026/0149912 A1Starkey Laboratories, Inc.
- Earphone21 May 2026US 2026/0143267 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Modular hearing aid system251US 5,185,802 ABeltone Electronics Corporation · 1993
- Articulated hearing device223US 5,701,348 ADecibel Instruments, Inc. · 1997
- Air conduction hearing device205US 5,748,743 AEar Craft Technologies · 1998
- Hearing aid168US 5,347,584 ARion Co., Ltd. · 1994
- Protection element for all-in-the-ear hearing aid165US 4,984,277 AGN Danovox A/S · 1991