Filings by year

C01B 17/043: granted patents and published applications per publication year
YearGranted patentsPublished applications
198120
198200
198300
198400
198500
198610
198700
198800
198910
199000
199100
199220
199300
199410
199500
199600
199700
199800
199900
200000
200100
200200
200300
200410
200501
200600
200700
200800
200901
201010
201100
201210
201300
201401
201510
201601
201710
201801
201901
202033
202120
202200
202311

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents