Filings by year

B01D 71/0213: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197920
198000
198110
198210
198300
198400
198500
198600
198710
198810
198910
199030
199100
199200
199330
199400
199520
199650
1997100
199860
1999140
200030
200121
200254
200383
200409
200515
200636
200767
200818
200951
201065
201144
201247
201363
201423
201514
201606
201723
201837
2019810
20201720
20211312
202228
202389
2024311
202566
202634

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

Recent patents

Most cited

By later US patents