Filings by year

D21H 17/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197900
198000
198120
198200
198300
198410
198510
198630
198710
198810
198900
199000
199100
199200
199300
199400
199500
199630
199700
199820
199920
200060
200100
200240
200310
200401
200500
200601
200700
200802
200910
201000
201101
201200
201311
201400
201501
201623
201701
201821
201921
202000
202100
202200
202300
202410

By publication year. Applications have been published since 2001.