Filings by year

F04C 2/352: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197900
198000
198100
198200
198300
198410
198520
198610
198720
198800
198900
199000
199100
199200
199310
199400
199500
199600
199710
199800
199900
200000
200100
200200
200300
200410
200501
200600
200700
200800
200900
201000
201100
201201
201300
201410
201500
201601
201701
201820
201900
202001
202100
202211
202310

By publication year. Applications have been published since 2001.