Filings by year

B01D 33/806: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198210
198300
198430
198500
198600
198700
198800
198900
199000
199110
199200
199310
199400
199510
199600
199710
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201501
201601
201700
201821
201901
202001
202102
202222
202310
202413
202530
202622

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

Recent patents

Most cited

By later US patents