Filings by year

C02F 1/047: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197910
198010
198100
198200
198300
198410
198520
198610
198700
198810
198910
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200201
200301
200401
200502
200600
200712
200802
200912
201001
201101
201201
201300
201400
201510
201610
201701
201810
201901
202011
202121
202213
202310
202402

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents