A61F 11/30
Non-electric hearing aids
Official title: Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells
A61F11/30 (Non-electric hearing aids) appears on 61 US grants and 49 published applications in this corpus.
Search patents in A61F- Granted patents
- 61
- Published applications
- 49
- Assignees
- 18
- Inventors
- 72
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 3 | 7 |
| 2013 | 3 | 3 |
| 2014 | 4 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 4 | 5 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 2 | 3 |
| 2022 | 0 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for treating a tinnitus affliction30 Jun 2026US 12,667,493 B2
- Ear insert5 Nov 2024US 12,137,313 B2Flare Audio Technologies Limited
- Patulous eustachian tube stent12 Mar 2024US 11,925,530 B2Acclarent, Inc.
- Magnetically driven pressure generator2 Jan 2024US 11,859,606 B2Nocira, LLC
- Sound amplifying bowl assembly27 Jun 2023US 11,684,107 B2
- Device for treating a tinnitus affliction30 Apr 2026US 2026/0115048 A1
- Magnetically driven pressure generator15 Aug 2024US 2024/0271609 A1Nocira, LLC
- Patulous eustachian tube stent11 Jul 2024US 2024/0225905 A1Acclarent, Inc.
- Hats with sound directing assemblies11 May 2023US 2023/0143153 A1Versi LLC
- An ear insert29 Dec 2022US 2022/0417638 A1Flare Audio Technologies Limited
Most cited
By later US patents
- Ear acoustical hearing aid91US 4,556,122 AInnovative Hearing Corporation · 1985
- Hearing improvement device82US 5,797,834 AResound Corporation · 1998
- Passive personal vocal monitor63US 8,061,473 B1Simply Sound · 2011
- Rearward sound enhancing apparatus48US 5,691,515 AOP-D-OP, Inc. · 1997
- Auditory feedback device42US 6,229,901 B12001