H04R 11/14

Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

H04R11/14 (Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency) appears on 23 US grants and 25 published applications in this corpus.

Search patents in H04R
Granted patents
23
Published applications
25
Assignees
21
Inventors
48
Latest grant
17 Jun 2025

Filings by year

H04R 11/14: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198310
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200211
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201301
201413
201522
201612
201734
201830
201931
202002
202112
202201
202321
202423
202511
202601

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

Recent patents

Most cited

By later US patents