Filings by year

C03C 17/253: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197920
198020
198130
198200
198320
198400
198510
198610
198700
198800
198910
199030
199130
199210
199300
199430
199530
199620
199710
199840
199930
200020
200151
200211
200320
200414
200521
200624
200711
200813
200913
201022
201133
201231
201311
201401
201522
201602
201702
201812
201932
202020
202100
202200
202300
202401
202500
202602

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

Recent patents

Most cited

By later US patents