Filings by year

F02B 27/021: granted patents and published applications per publication year
YearGranted patentsPublished applications
198520
198610
198720
198860
198970
199050
199180
1992100
199340
199420
199550
199630
199710
199820
199920
200020
200142
200247
200358
200498
200522
200687
200745
200846
200947
201024
201102
201232
201330
201431
201520
201600
201700
201800
201900
202001

By publication year. Applications have been published since 2001.