Filings by year

B01J 35/635: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976220
1977280
1978330
197980
1980140
1981140
198290
1983160
1984170
1985160
198670
1987110
1988170
1989250
1990170
1991160
1992130
1993120
1994130
1995160
1996100
1997130
1998100
1999130
2000180
2001145
20021615
20031629
20041839
20052134
20061631
20071735
20081341
20092241
20103962
20112739
20122967
20133170
20145062
20156186
20164983
20176482
20187871
20198165
20207484
20216787
202274101
20236982
20246379
20256581
20263661

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

Recent patents

Most cited

By later US patents