Filings by year

F03B 13/268: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197900
198000
198110
198200
198310
198410
198500
198610
198700
198800
198910
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200111
200201
200311
200410
200500
200601
200702
200800
200901
201015
201113
201234
201312
201412
201520
201623
201726
201821
201916
202053
202112
202220
202302
202412
202512

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents