Filings by year

B01J 21/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976160
1977180
1978100
197940
198030
198190
198290
1983100
1984100
198590
1986150
1987150
198860
198960
199080
199180
1992120
1993150
1994140
1995190
1996110
1997150
1998190
1999190
2000240
20013511
20022417
20032549
20042243
20052534
20062133
20071430
20082031
20092347
20101874
20112683
20123160
20135175
20146160
20156381
20166877
20176877
201879115
201979129
202098125
202196143
202296134
202394123
20249095
20257774
20264349

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

Recent patents

Most cited

By later US patents