Filings by year

B01J 23/6447: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197710
197810
197900
198010
198110
198210
198300
198400
198510
198620
198730
198800
198900
199010
199110
199210
199310
199400
199500
199600
199710
199820
199910
200020
200111
200211
200335
200422
200554
200611
200724
200806
200978
201054
201112
201237
201334
201444
201525
201666
201754
201832
201935
202038
202122
202214
202324
202462
202500
202611

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

Recent patents

Most cited

By later US patents