Filings by year

H01F 1/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
198020
198100
198210
198300
198400
198500
198610
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199710
199810
199920
200010
200111
200222
200345
200414
200533
200611
200713
200815
200933
201006
201145
2012110
201368
201416
2015410
201636
20171114
201869
20191213
2020717
2021119
2022533
20231415
20241712
2025128
202666

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

Recent patents

Most cited

By later US patents