Filings by year

B01J 29/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
1977130
1978130
1979120
198080
1981120
198250
198390
198440
198580
198680
198740
198870
198990
199090
1991170
199280
1993130
199440
199560
199640
199720
199880
1999110
2000100
200182
200256
200367
200486
20051418
2006918
2007913
20081615
20091628
20101133
20111026
20121422
20132740
20142934
20152429
20162620
20172332
20182935
20193034
20203041
20213527
20222521
20232125
2024209
20251215
202638

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