Filings by year

B02C 9/02: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198010
198110
198210
198310
198400
198500
198600
198700
198800
198900
199000
199100
199200
199310
199400
199500
199600
199700
199800
199900
200000
200100
200211
200310
200400
200500
200600
200700
200800
200900
201000
201101
201211
201301
201410
201500
201600
201700
201801
201910
202011
202102
202211
202311
202401
202510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents