Filings by year

B01J 31/1855: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197840
197900
198010
198100
198210
198300
198400
198500
198600
198700
198800
198900
199010
199100
199200
199300
199410
199500
199610
199700
199820
199920
200000
200110
200200
200302
200402
200511
200623
200700
200810
200901
201010
201100
201210
201301
201400
201514
201611
201740
201800
201900
202012
202111
202200
202310
202400
202500
202601

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

Recent patents

Most cited

By later US patents