Filings by year

F04B 27/0414: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200101
200230
200300
200411
200505
200612
200723
200821
200923
201016
201103
201221
201320
201413
201501
201620
201713
201811
201900
202001
202131
202200
202300
202413
202521
202633

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

Subgroups

Granted patents