Filings by year

F23N 5/143: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197830
197910
198000
198100
198210
198300
198400
198500
198610
198710
198800
198900
199000
199100
199200
199300
199400
199500
199610
199700
199810
199900
200000
200110
200200
200310
200401
200510
200602
200702
200800
200901
201002
201103
201211
201300
201410
201501
201612
201710
201821
201901
202020
202110
202200
202301
202412
202512
202602

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents