Filings by year

H03F 1/223: granted patents and published applications per publication year
YearGranted patentsPublished applications
198120
198210
198310
198400
198520
198620
198720
198810
198920
199000
199110
199210
199300
199460
199540
199610
199720
199810
199930
2000110
200152
20021618
20031814
20041420
20052029
20062428
20072239
20083337
20093232
20104646
20114842
20124349
20134164
20147280
20158584
20168070
20176859
20187586
20199374
20207877
20216468
20224987
202360107
202474103
20258991
20265259

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

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By later US patents