Filings by year

H04R 1/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197720
197810
197910
198010
198110
198210
198330
198420
198510
198600
198700
198800
198900
199000
199100
199200
199300
199400
199510
199600
199700
199800
199900
200000
200100
200200
200300
200401
200500
200600
200700
200800
200900
201000
201100
201200
201300
201401
201500
201600
201701
201811
201930
202000
202100
202220
202310
202410

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents