Filings by year

B01D 39/2051: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197910
198000
198100
198200
198300
198400
198500
198600
198700
198810
198900
199010
199100
199210
199310
199430
199520
199650
199730
199830
199920
200030
200122
200220
200302
200412
200515
200632
200702
200836
200933
201023
201124
201200
201310
201400
201522
201603
201721
201811
2019710
202035
202137
202212
202326
202417
202553
202630

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

Recent patents

Most cited

By later US patents