Filings by year

B02C 4/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
199110
199200
199300
199410
199500
199600
199700
199800
199900
200000
200100
200200
200300
200401
200501
200603
200710
200810
200901
201010
201100
201200
201300
201401
201500
201613
201700
201821
201901
202011
202100
202220
202311
202401
202500
202601

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

Subgroups

Granted patents