Filings by year

D21H 5/003: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197730
197820
197900
198020
198100
198220
198310
198420
198540
198610
198720
198820
198910
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201901
202001
202101
202210

By publication year. Applications have been published since 2001.

Subgroups

Granted patents