Filings by year

B01J 31/0218: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197810
197900
198000
198100
198220
198300
198400
198500
198600
198700
198820
198900
199000
199110
199200
199300
199410
199500
199600
199700
199810
199910
200000
200110
200201
200301
200411
200504
200622
200731
200811
200911
201012
201121
201221
201311
201410
201512
201616
201760
201814
201901
202014
202145
202212
202334
202421
202521
202601

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents