Filings by year

C03B 19/1492: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198210
198310
198400
198500
198600
198720
198800
198900
199000
199100
199200
199300
199410
199510
199600
199710
199810
199910
200000
200111
200201
200301
200431
200500
200600
200700
200811
200900
201014
201123
201221
201323
201422
201513
201653
201723
201826
201931
202043
202121
202221
202300
202400
202520

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents