Filings by year

F04C 15/068: granted patents and published applications per publication year
YearGranted patentsPublished applications
198530
198610
198700
198820
198910
199000
199100
199200
199300
199410
199510
199610
199710
199810
199920
200000
200110
200200
200300
200400
200500
200600
200700
200800
200900
201001
201100
201200
201302
201412
201502
201600
201710
201821
201900
202001
202110
202201
202310
202411
202500
202601

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