Filings by year

B01J 20/28016: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197760
197840
197960
198010
198130
1982110
198350
198450
198530
198630
1987150
198890
1989110
1990100
1991130
1992130
1993180
1994180
1995140
199680
1997100
1998130
1999270
2000180
20012411
20023239
20032554
20042744
20052264
20062244
20072634
20081541
20092947
20102950
20112642
20122842
20132745
20145261
201540100
20165390
201763109
201871117
201990154
202092125
2021100130
202288160
202398138
2024106125
2025123148
20267194

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