Filings by year

H01F 1/38: granted patents and published applications per publication year
YearGranted patentsPublished applications
198930
199000
199110
199200
199300
199400
199500
199600
199700
199800
199900
200000
200101
200200
200311
200410
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201801
201903
202001
202112
202200
202340
202420
202501
202603

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

Recent patents

Most cited

By later US patents