Filings by year

B01D 39/2044: granted patents and published applications per publication year
YearGranted patentsPublished applications
197840
197920
198000
198110
198200
198300
198400
198500
198600
198710
198810
198910
199000
199110
199210
199330
199400
199530
199620
199730
199840
199920
200020
200143
200210
200325
200428
200535
200624
200713
200819
200924
201032
201123
201213
201334
201421
201512
201611
201716
201823
201931
202000
2021010
202238
202338
202477
202551
202612

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

Recent patents

Most cited

By later US patents