Filings by year

B01D 67/0016: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197910
198010
198130
198210
198300
198410
198500
198620
198730
198820
198940
199050
199120
199240
199300
199400
199510
199600
199710
199840
199950
200070
200121
200212
200354
200428
200525
200645
2007310
200818
200954
201055
201140
201218
201337
201476
2015718
2016615
2017919
20181416
20191121
20201120
20212018
20221318
2023918
20241717
20251322
202679

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