Filings by year

F02D 41/408: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197820
197940
198000
198110
198230
1983100
1984140
1985200
1986130
1987100
1988150
1989120
199000
199120
199250
199380
199420
199510
199630
199750
199850
199960
200030
200160
200200
200312
200410
200511
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201601
201700
201811
201900
202010

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents