Filings by year

D04B 35/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197740
197880
197940
198030
198130
198200
198300
198410
198530
198650
198740
198860
198940
199010
199120
199230
199330
199400
199510
199660
199720
199820
199920
200020
200171
200255
200330
200412
200534
200633
200733
200823
200945
201058
201181
201212
201322
201412
201500
201601
201722
201810
201902
202012
202121
202220
202304
202412
202511
202610

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

Recent patents

Most cited

By later US patents