Filings by year

F03C 1/0668: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199710
199800
199910
200010
200100
200201
200310
200400
200501
200600
200700
200800
200900
201000
201100
201202
201302
201412
201518
201634
201736
201854
201964
202084
202144
202217
202382
202410
202502
202621

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