Filings by year

C11D 7/46: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199410
199500
199600
199710
199800
199910
200000
200100
200210
200300
200401
200500
200610
200700
200800
200901
201001
201111
201211
201301
201401
201502
201600
201701
201801
201910
202000
202110
202200
202301
202402
202521
202602

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

Recent patents

Most cited

By later US patents