Filings by year

B01J 20/28042: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197740
197820
197930
198020
198110
198230
198330
198430
198520
198600
198730
198800
198920
199020
1991100
199270
199350
199480
1995130
1996110
1997140
1998150
1999200
2000160
2001244
20023034
20032447
20043441
20051550
20062246
20072833
20081343
20092147
20102959
20112858
20123555
20133545
20145452
20153867
20164951
20173848
20184073
20193771
20204668
20215978
20225264
20235783
20244576
20255262
20264143

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