Filings by year

F01K 3/247: granted patents and published applications per publication year
YearGranted patentsPublished applications
198920
199020
199100
199200
199300
199400
199500
199600
199730
199820
199900
200020
200112
200211
200310
200421
200510
200602
200700
200810
200901
201011
201110
201202
201300
201410
201500
201600
201700
201800
201900
202001
202110

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents