Filings by year

C11D 9/48: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197820
197920
198010
198100
198210
198300
198400
198500
198600
198710
198800
198900
199000
199110
199200
199310
199410
199520
199610
199720
199800
199930
200010
200130
200212
200320
200401
200520
200600
200701
200801
200900
201010
201100
201200
201300
201400
201500
201601
201711
201812
201901
202010
202102
202221
202300
202411

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents