Filings by year

C04B 35/6281: granted patents and published applications per publication year
YearGranted patentsPublished applications
198610
198700
198800
198910
199000
199100
199270
199360
199400
199510
199600
199710
199800
199900
200010
200112
200212
200324
2004510
200533
200656
200722
200847
200937
201047
201136
201252
201334
201444
201535
201651
201721
201813
201927
202055
202144
202215
202336
202455
202533
202611

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

Recent patents

Most cited

By later US patents