Filings by year

B01J 20/28078: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197760
197870
197960
198030
198160
198220
198350
198420
198550
198630
1987110
1988100
1989130
1990160
1991220
1992250
1993180
1994190
1995210
1996280
1997300
1998250
1999200
2000260
20013113
20022545
20033949
20042954
20052153
20063161
20073159
20081960
20093374
20103976
20113566
20124967
20135684
20146575
20154991
20167185
20176185
20186589
201979113
20207296
202173127
202269125
202390121
202486112
2025102106
20265577

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