Filings by year

F02M 17/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197820
197910
198030
198140
198260
198380
198430
198530
198610
198730
198810
198930
199000
199130
199210
199300
199400
199510
199630
199740
199830
199900
200010
200110
200211
200311
200443
200523
200620
200702
200813
200911
201001
201104
201200
201310
201400
201513
201621
201711
201811
201910
202010

By publication year. Applications have been published since 2001.

Subgroups

Granted patents