Filings by year

C04B 35/6261: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197830
197900
198000
198120
198200
198300
198410
198520
198640
198720
198820
198920
199020
199120
199210
199350
199420
199520
199610
199770
199810
199930
200060
200164
20021123
20032057
20043174
20053170
20064757
20074366
20083165
20094088
20105294
20115584
20125894
20136691
20146454
20156579
20166589
201778125
201889109
201997109
20208693
202179106
202273113
202378114
202468100
20256974
20265050

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