Filings by year

F04C 2/46: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198110
198200
198300
198400
198500
198610
198700
198810
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200110
200200
200300
200400
200510
200601
200701
200800
200900
201011
201100
201201
201311
201400
201535
201631
201700
201802
201920
202000
202102
202200
202300
202421

By publication year. Applications have been published since 2001.