Filings by year

C01B 3/063: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197750
197810
197920
198010
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200101
200201
200300
200401
200522
200601
200701
200811
200902
201023
201104
201213
201322
201412
201527
201686
201742
201864
201913
202022
202132
202202
202325
202421
202539
202613

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

Recent patents

Most cited

By later US patents