Filings by year

C03B 37/0209: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197750
197830
197920
198030
198100
1982100
198330
198420
198510
198630
198700
198800
198910
199000
199120
199210
199310
199410
199500
199600
199710
199830
199930
200000
200120
200200
200301
200400
200501
200601
200713
200804
200900
201032
201122
201200
201300
201420
201511
201610
201701
201800
201910

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents