H04R 1/32

For obtaining desired directional characteristic only

Official title: for obtaining desired directional characteristic only {(specially adapted for hearing aids H04R25/40)}

H04R1/32 (For obtaining desired directional characteristic only) appears on 7,141 US grants and 7,999 published applications in this corpus.

Search patents in H04R
Granted patents
7,141
Published applications
7,999
Assignees
1,909
Inventors
11,862
Latest grant
6 Oct 2026

Filings by year

H04R 1/32: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
1977170
1978130
1979150
1980180
1981130
1982180
198380
1984220
1985120
1986190
1987130
198890
1989300
1990190
1991180
1992250
1993240
1994200
1995190
1996250
1997180
1998320
1999350
2000290
20011511
20022845
20033543
20044073
20051969
20064588
200736113
200845102
200945123
201059126
201184127
2012159158
2013126202
2014155183
2015177236
2016260318
2017340425
2018408512
2019566639
2020639685
2021616766
2022651687
2023638701
2024598605
2025542513
2026329449

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

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