H04R 2201/00

Details of transducers, loudspeakers or microphones covered by h04r1/00 but not provided

Official title: Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups

H04R2201/00 (Details of transducers, loudspeakers or microphones covered by h04r1/00 but not provided) appears on 7,928 US grants and 9,527 published applications in this corpus.

Search patents in H04R
Granted patents
7,928
Published applications
9,527
Assignees
2,310
Inventors
13,364
Latest grant
6 Oct 2026

Filings by year

H04R 2201/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197760
197860
197900
198030
198130
198240
198310
198440
198530
198650
198770
1988100
198970
199080
199130
1992130
1993110
1994150
1995150
1996120
1997240
1998320
1999220
2000280
20013714
20023647
20032063
20044890
200532100
200655118
200756130
200846133
200953135
201052173
201195173
2012171205
2013182253
2014199335
2015280433
2016392531
2017499680
2018596726
2019738652
2020677697
2021592752
2022661755
2023660735
2024594627
2025555529
2026359441

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

Subgroups

Granted patents