Filings by year

H02G 3/286: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197900
198070
198170
198230
198370
198420
198520
198640
198750
198860
198980
199060
1991160
1992170
1993150
199480
199570
199640
199770
199890
1999150
2000150
2001145
2002103
200344
200455
200522
200601
200701
200811
200911
201001
201110
201200
201302
201435
201523
201635
201720
201814
201920
202001
202113
202211
202312
202411
202534
202612

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

Subgroups

Granted patents