Filings by year

C04B 2235/3234: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197810
197900
198000
198110
198200
198310
198400
198510
198600
198700
198800
198910
199010
199110
199240
199310
199440
199520
199610
199740
199820
199910
200010
200174
2002716
20031738
20042437
20051926
20062030
20072233
20081031
20091637
20103252
20112948
20123027
20133653
20144048
20154748
20164951
20175364
20184438
20194942
20203732
20211730
20222843
20233033
20242930
20253121
20262326

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