A61F 11/08
Internal
Official title: internal, e.g. earplugs
A61F11/08 (Internal) appears on 686 US grants and 742 published applications in this corpus.
Search patents in A61F- Granted patents
- 686
- Published applications
- 742
- Assignees
- 280
- Inventors
- 1,003
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 18 | 0 |
| 1999 | 15 | 0 |
| 2000 | 17 | 0 |
| 2001 | 10 | 1 |
| 2002 | 12 | 12 |
| 2003 | 10 | 14 |
| 2004 | 13 | 15 |
| 2005 | 4 | 21 |
| 2006 | 7 | 37 |
| 2007 | 12 | 18 |
| 2008 | 7 | 18 |
| 2009 | 12 | 33 |
| 2010 | 21 | 31 |
| 2011 | 25 | 27 |
| 2012 | 28 | 24 |
| 2013 | 19 | 23 |
| 2014 | 32 | 35 |
| 2015 | 23 | 36 |
| 2016 | 28 | 38 |
| 2017 | 22 | 45 |
| 2018 | 23 | 37 |
| 2019 | 36 | 36 |
| 2020 | 21 | 48 |
| 2021 | 27 | 36 |
| 2022 | 41 | 42 |
| 2023 | 30 | 33 |
| 2024 | 27 | 32 |
| 2025 | 35 | 33 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Universal fitting structure for hearing protection device8 Sep 2026US 12,728,041 B1
- Hearing protection25 Aug 2026US 12,714,604 B2Minuendo AS
- Earplug system and methods21 Jul 2026US 12,685,673 B1Apothecary Products, Inc.
- Pair of earpiece faceplates14 Jul 2026US D1,134,304 S1Decibullz LLC · Design
- Earbud23 Jun 2026US 12,661,270 B2Huizhou Saienchuangke Technology Co., Ltd
- Occlusion device capable of occluding an ear canal8 Oct 2026US 2026/0306301 A1ST Portfolio Holdings, LLC
- External auditory canal mounting device20 Aug 2026US 2026/0247062 A1J-Phonic Co., Ltd.
- Devices and methods for contacting living tissue13 Aug 2026US 2026/0232875 A1Isl, LLC
- External ear canal pressure regulation device16 Jul 2026US 2026/0199136 A1Nocira, LLC
- External ear canal pressure regulation system16 Jul 2026US 2026/0199137 A1Nocira, LLC
Most cited
By later US patents
- Pliable and resilient sealing pad231US 6,152,137 A2000
- Ear piece having disposable, compressible polymeric foam sleeve205US 5,002,151 AMinnesota Mining and Manufacturing Company · 1991
- Noise protection verification device189US 6,567,524 B1Nacre AS · 2003
- Ear terminal with microphone for natural voice rendition178US 6,661,901 B1Nacre AS · 2003
- Eyewear supported by a wearer's concha of an ear165US 6,176,576 B1Radians, Inc. · 2001