Filings by year

D01H 13/1633: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197840
197910
198010
198140
198230
198310
198400
198520
198600
198720
198800
198920
199010
199120
199230
199300
199400
199510
199610
199700
199800
199920
200010
200111
200200
200320
200400
200500
200602
200700
200800
200901
201020
201100
201200
201300
201400
201500
201600
201700
201800
201901
202010
202100
202201
202310

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents