Filings by year

B04C 5/23: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198300
198400
198510
198600
198730
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200110
200210
200300
200400
200500
200601
200700
200800
200910
201001
201100
201200
201300
201401
201510
201602
201701
201801
201921
202012
202120
202201
202302
202410
202521
202610

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

Recent patents

Most cited

By later US patents