Filings by year

C03C 17/3447: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197900
198010
198120
198220
198310
198410
198510
198610
198710
198830
198910
199010
199110
199260
1993100
199400
199510
199650
199730
199850
199960
200070
200151
200224
200325
200479
200548
200616
200752
200844
200926
201024
201153
201241
2013310
201435
201574
201624
2017411
201835
201964
202036
202118
202255
202352
202445
202534
202612

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents