Filings by year

D04H 1/68: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197910
198010
198110
198240
198310
198410
198510
198620
198710
198820
198930
199010
199120
199200
199320
199410
199500
199600
199730
199830
199910
200020
200123
200234
200335
200441
200511
200620
200700
200800
200900
201002
201100
201202
201302
201411
201512
201602
201721
201802
201920
202012
202112
202224
202332
202431
202520
202603

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

Recent patents

Most cited

By later US patents