Filings by year

D06H 7/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198200
198300
198410
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199710
199800
199920
200010

By publication year. Applications have been published since 2001.