Filings by year

C02F 1/4678: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197760
197840
197950
198060
198180
198240
198340
198440
198510
198640
198710
198830
198920
199020
199140
199220
199340
199440
199540
199650
199720
199830
199960
200050
200170
200251
200312
200415
200513
200612
200714
200803
200913
201013
201144
201207
201310
201403
201535
201634
201722
201835
201931
202034
2021210
202238
202343
202446
202513
202653

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

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By later US patents