Filings by year

B01D 2311/2657: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200702
200810
200900
201010
201100
201200
201300
201400
201507
201602
201702
201860
201910
202000
202102
202201
202312
202410

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents