Filings by year

F04B 43/023: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198500
198610
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199810
199900
200000
200100
200201
200311
200400
200500
200610
200703
200802
200900
201001
201103
201203
201311
201411
201540
201601
201713
201825
201931
202011
202145
202223
202346
202424
202521
202631

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.