Filings by year

D04C 3/14: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197910
198000
198110
198210
198300
198410
198510
198630
198710
198830
198930
199050
199120
199230
199320
199440
199530
199620
199720
199820
199930
200000
200101
200241
200311
200413
200512
200652
200720
200810
200900
201002
201111
201212
201343
201423
201534
201616
201734
201844
2019510
202045
202177
202277
202394
202445
202555
202661

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