Filings by year

C04B 26/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198910
199020
199120
199200
199320
199420
199500
199620
199720
199800
199930
200000
200110
200211
200300
200400
200501
200601
200713
200812
200911
201041
201115
201212
201312
201433
201505
201614
201711
201822
201932
202031
202103
202212
202310
202412
202510
202601

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

Recent patents

Most cited

By later US patents