H04R 25/556
External connectors
Official title: {External connectors, e.g. plugs or modules (H04R25/607 takes precedence)}
H04R25/556 (External connectors) appears on 299 US grants and 330 published applications in this corpus.
Search patents in H04R- Granted patents
- 299
- Published applications
- 330
- Assignees
- 99
- Inventors
- 513
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 6 |
| 2003 | 5 | 3 |
| 2004 | 6 | 10 |
| 2005 | 4 | 6 |
| 2006 | 6 | 7 |
| 2007 | 5 | 9 |
| 2008 | 6 | 10 |
| 2009 | 4 | 12 |
| 2010 | 7 | 7 |
| 2011 | 6 | 7 |
| 2012 | 15 | 11 |
| 2013 | 9 | 9 |
| 2014 | 11 | 11 |
| 2015 | 10 | 12 |
| 2016 | 13 | 15 |
| 2017 | 10 | 18 |
| 2018 | 12 | 13 |
| 2019 | 22 | 23 |
| 2020 | 19 | 23 |
| 2021 | 19 | 21 |
| 2022 | 16 | 32 |
| 2023 | 16 | 17 |
| 2024 | 21 | 16 |
| 2025 | 18 | 15 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charging contact connection, charging contact system and electrical device2 Jun 2026US 12,647,739 B2Sivantos Pte.Ltd
- Side-by-side comparison of hearing device output based on physical coupling to device under simulation7 Apr 2026US 12,598,432 B2Earlens Corporation
- Hearing system comprising a hearing aid and a processing device31 Mar 2026US 12,593,183 B2Oticon A/S
- Hearing aid with speaker unit assembly13 Jan 2026US 12,526,592 B2Oticon A/S
- Hearing device and related method of wireless charging9 Dec 2025US 12,495,257 B2GN Hearing A/S
- Hearing instrument comprising an electric charging circuit6 Aug 2026US 2026/0230740 A1WidexA/S
- Device-finding using light sources on hearing instruments2 Jul 2026US 2026/0189860 A1Starkey Laboratories, Inc.
- Hearing system comprising a hearing aid and a processing device2 Jul 2026US 2026/0189863 A1Oticon A/S
- Communication device for a hearing protection apparatus with modular wireless functionality control and method thereto25 Jun 2026US 2026/0181306 A1FalCom A/S
- Rechargeable ear-worn device with a magnetic interface18 Jun 2026US 2026/0172733 A1Starkey Laboratories, Inc.
Most cited
By later US patents
- Wired open ear canal earpiece384US 6,181,801 B2Resound Corporation · 2001
- Canal hearing device with tubular insert183US 6,724,902 B1InSound Medical, Inc. · 2004
- Silicon-based transducer for use in hearing instruments and listening devices179US 7,142,682 B2Sonion Mems A/S · 2006
- Portable hearing-related analysis system175US 6,366,863 B1Micro Ear Technology, Inc. · 2002
- Hearing aids, signal supplying apparatus, systems for compensating hearing deficiencies, and methods168US 4,548,082 ACentral Institute for the Deaf · 1985