H04R 25/602
Of batteries
Official title: {of batteries}
H04R25/602 (Of batteries) appears on 653 US grants and 740 published applications in this corpus.
Search patents in H04R- Granted patents
- 653
- Published applications
- 740
- Assignees
- 146
- Inventors
- 943
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 4 |
| 2002 | 7 | 7 |
| 2003 | 9 | 12 |
| 2004 | 9 | 14 |
| 2005 | 6 | 18 |
| 2006 | 10 | 5 |
| 2007 | 12 | 23 |
| 2008 | 11 | 22 |
| 2009 | 3 | 29 |
| 2010 | 17 | 26 |
| 2011 | 14 | 23 |
| 2012 | 30 | 22 |
| 2013 | 24 | 26 |
| 2014 | 31 | 23 |
| 2015 | 23 | 25 |
| 2016 | 21 | 28 |
| 2017 | 22 | 36 |
| 2018 | 25 | 32 |
| 2019 | 45 | 48 |
| 2020 | 44 | 50 |
| 2021 | 41 | 62 |
| 2022 | 48 | 63 |
| 2023 | 49 | 37 |
| 2024 | 39 | 42 |
| 2025 | 36 | 34 |
| 2026 | 21 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binaural hearing system with distributed sensors, and method of its operation6 Oct 2026US 12,754,204 B2Sonova AG
- System for charging an ear-worn electronic device22 Sep 2026US 12,745,031 B2Starkey Laboratories, Inc.
- Hearing device having a power source22 Sep 2026US 12,745,051 B2Oticon A/S
- System for charging an ear-worn electronic device15 Sep 2026US 12,739,553 B2Starkey Laboratories, Inc.
- Inductive charging case8 Sep 2026US 12,732,021 B2Cochlear Limited
- Hearing device and battery unit for a hearing device8 Oct 2026US 2026/0313305 A1GN Hearing A/S
- Magnetic induction antenna module1 Oct 2026US 2026/0295282 A1Cochlear Limited
- Hearing assistance devices with control of other devices24 Sep 2026US 2026/0292416 A1Starkey Laboratories, Inc.
- Miniature speaker24 Sep 2026US 2026/0292417 A1Sonion Nederland B. V.
- Hearing device13 Aug 2026US 2026/0238936 A1GN Hearing A/S
Most cited
By later US patents
- Mass production auditory canal hearing aid274US 4,870,688 A1989
- Subcutaneously implantable power supply269US 6,961,619 B22005
- Hearing aid234US 7,010,137 B1Sarnoff Corporation · 2006
- Modular hearing aid with lid hinged to faceplate178US 5,201,008 AUnitron Industries Ltd. · 1993
- Rechargeable battery172US 6,265,100 B1Research International, Inc. · 2001