Filings by year

F02D 41/1488: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197760
1978140
1979130
198040
1981100
1982120
1983250
1984180
1985130
1986100
1987120
198890
198950
1990110
199180
199220
199330
199430
199500
199640
199750
199820
199940
200010
200120
200243
200367
200455
2005812
200679
200779
200823
2009105
201053
201124
201221
201316
201433
201541
201642
201767
201822
201912
202012
202130
202246
202322
202411
202510
202610

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents