Filings by year

H03F 1/308: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197800
197900
198000
198110
198200
198310
198440
198500
198600
198700
198800
198910
199020
199150
199220
199300
199420
199520
199600
199730
199800
199920
200020
200111
200255
200363
200442
200523
200613
200740
200801
200939
201033
201162
201244
201363
201432
201534
201695
201722
201843
201923
202044
202164
202215
202345
202413
202552
202603

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

Recent patents

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By later US patents