Filings by year

H04R 25/453: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198040
198100
198200
198300
198410
198510
198610
198720
198830
198930
199010
199160
199220
199330
199420
199550
199620
199760
199830
199910
2000100
200151
2002108
2003611
2004419
2005727
20061315
20071318
2008924
2009825
20101644
20111733
20122713
20134425
20143638
20153938
20162529
20173234
20183547
20194434
20204235
20212827
20223734
20233344
20243133
20253044
20261932

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

Recent patents

Most cited

By later US patents