Filings by year

H02M 7/515: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976300
1977440
1978260
1979220
1980220
1981260
1982180
1983180
1984320
1985150
1986240
1987290
1988100
198980
1990100
1991100
199290
199350
199490
199550
199660
199730
199850
199950
200040
200193
2002105
200368
200424
2005108
200626
200784
200833
200954
201034
201133
201233
201319
2014311
2015910
2016115
20171210
20181217
20191818
20201916
2021922
2022199
20231723
2024913
20251010
202699

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