Filings by year

C04B 38/065: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198110
198200
198310
198400
198510
198610
198710
198820
198900
199010
199120
199230
199320
199440
199520
199640
199710
199820
199930
200000
200131
200202
200345
200434
200513
200625
200710
200821
200920
201020
201122
201202
201300
201400
201501
201623
201711
201814
201926
202044
202144
202241
202332
202431
202511
202610

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