Filings by year

H02M 7/1552: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198110
198210
198310
198420
198500
198600
198700
198800
198900
199000
199110
199210
199310
199420
199500
199620
199700
199810
199900
200000
200110
200210
200300
200400
200500
200600
200700
200800
200901
201000
201100
201200
201300
201402
201510
201600
201721
201823
201933
202012
202111
202212
202300
202412
202511
202612

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

Recent patents

Most cited

By later US patents