H04R 2225/00

Details of deaf aids covered by h04r25/00, not provided for in any

Official title: Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups

H04R2225/00 (Details of deaf aids covered by h04r25/00, not provided for in any) appears on 5,541 US grants and 6,619 published applications in this corpus.

Search patents in H04R
Granted patents
5,541
Published applications
6,619
Assignees
974
Inventors
6,164
Latest grant
6 Oct 2026

Filings by year

H04R 2225/00: granted patents and published applications per publication year
YearGranted patentsPublished applications
197730
197820
197900
198000
198130
198220
198320
198490
1985100
1986140
1987130
1988120
1989190
1990200
1991180
199260
1993100
1994150
1995110
1996130
1997170
1998320
1999220
2000350
20012714
20024655
20035171
20044896
200532108
20065898
200762164
200867177
200967177
2010106190
2011110187
2012201171
2013187223
2014224251
2015249336
2016271323
2017301397
2018329378
2019376383
2020407418
2021356477
2022393480
2023383405
2024359392
2025324371
2026219277

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

Subgroups

Granted patents
All 19 subgroups