Filings by year

B02C 18/225: granted patents and published applications per publication year
YearGranted patentsPublished applications
198610
198700
198800
198900
199010
199100
199200
199300
199420
199510
199600
199700
199810
199940
200000
200110
200234
200331
200443
200524
200612
200722
200822
200922
201002
201130
201211
201304
201404
201521
201620
201703
201813
201925
202032
202154
202211
202314
202431
202520

By publication year. Applications have been published since 2001.