Filings by year

F02M 63/022: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197920
198010
198110
198230
198320
198430
198520
198610
198730
198800
198900
199020
199110
199210
199300
199410
199510
199600
199700
199810
199950
200030
200121
200210
200313
200422
200511
200610
200700
200800
200903
201015
201120
201230
201300
201401
201513
201620
201701
201821
201900
202000
202101
202210
202300
202401

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents