Filings by year

H02G 1/1224: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197820
197910
198010
198100
198210
198330
198420
198510
198640
198720
198830
198950
199060
199140
199210
199310
199410
199540
199600
199710
199820
199900
200030
200130
200211
200333
200423
200503
200621
200721
200803
200913
201034
201125
201215
201317
201441
201552
201618
201704
201844
201933
202021
202133
202224
202325
202410
202526
202623

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

Recent patents

Most cited

By later US patents