Filings by year

F02B 27/006: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198020
198110
198240
198310
198470
198540
198630
198780
198880
198970
199040
199190
1992130
199350
199410
199510
199640
199750
199850
199920
200020
200171
200250
200341
200400
200523
200602
200730
200810
200900
201000
201100
201200
201300
201410
201511
201613
201701
201820
201920
202000
202100
202200
202311
202411

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents