Filings by year

D06N 3/0072: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197910
198010
198100
198200
198300
198400
198500
198610
198710
198800
198900
199010
199100
199200
199300
199400
199510
199600
199700
199800
199900
200000
200100
200211
200301
200420
200500
200601
200700
200800
200900
201000
201100
201200
201301
201400
201510
201600
201700
201802
201901
202000
202110
202220
202302
202401
202511

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents