Filings by year

D04B 9/54: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197710
197820
197900
198010
198110
198200
198300
198410
198500
198600
198710
198810
198900
199010
199100
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200611
200700
200800
200900
201000
201100
201200
201300
201400
201501
201600
201710
201801
201900
202001
202111
202200
202300
202411
202501
202601

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