Filings by year

F02B 23/0663: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198330
198410
198510
198600
198700
198810
198920
199010
199110
199210
199310
199420
199500
199600
199700
199800
199900
200000
200100
200200
200301
200410
200500
200601
200700
200823
200910
201021
201103
201204
201313
201454
201547
201636
201753
201871
201942
202011
202100
202200
202302
202410
202510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents