H04R 25/00

Electric hearing aids

H04R25/00 (Electric hearing aids) appears on 9,940 US grants and 11,239 published applications in this corpus.

Search patents in H04R
Granted patents
9,940
Published applications
11,239
Assignees
1,718
Inventors
9,959
Latest grant
6 Oct 2026

Filings by year

H04R 25/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976140
1977220
1978170
1979100
198080
1981130
1982170
1983180
1984280
1985270
1986340
1987310
1988410
1989570
1990480
1991520
1992320
1993420
1994440
1995430
1996520
1997540
1998990
1999670
2000950
20018549
200293150
2003109177
2004124256
200587251
2006165264
2007172355
2008153348
2009156405
2010215401
2011241387
2012423362
2013402448
2014432507
2015435551
2016523518
2017502545
2018518555
2019545524
2020565584
2021508712
2022559681
2023555637
2024541615
2025519532
2026348425

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents
All 14 subgroups

Recent patents

Most cited

By later US patents