Filings by year

B01D 39/1653: granted patents and published applications per publication year
YearGranted patentsPublished applications
198020
198110
198210
198310
198420
198510
198600
198700
198800
198900
199020
199110
199210
199330
199440
199510
199630
199770
199860
199950
200040
200140
200214
200336
200425
200526
2006311
200735
200846
200923
201043
201126
201243
201315
201432
201527
201635
201703
201825
201927
202023
202188
2022410
202344
202454
202514
202631

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