Filings by year

H01F 1/14: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976330
1977210
1978260
1979230
1980290
1981340
1982190
1983230
1984310
1985350
1986330
1987210
1988250
1989280
1990390
1991390
1992270
1993310
1994250
1995320
1996320
1997390
1998430
1999430
2000420
20015716
20024647
20036459
20043668
20053356
20063357
20073359
20083774
20094083
20103887
20114674
20125592
201346109
201457114
201554153
201668141
201797153
2018110212
2019133228
2020160250
2021164280
2022168319
2023226287
2024255281
2025214211
2026133213

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents