Filings by year

B01D 33/0175: granted patents and published applications per publication year
YearGranted patentsPublished applications
199310
199400
199500
199600
199700
199800
199900
200000
200100
200200
200301
200400
200500
200600
200700
200801
200900
201010
201100
201200
201300
201400
201500
201600
201700
201801

By publication year. Applications have been published since 2001.