Filings by year

D06P 3/241: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976130
1977100
197870
197920
198060
198140
198230
198360
198400
198530
198640
198760
198830
198970
199010
199190
199240
199370
1994120
199580
199650
199760
199880
199960
200050
200153
200245
200343
200414
200523
200621
200714
200829
200923
201012
201124
201231
201321
201407
201513
201600
201711
201812
201934
202037
202141
202246
202324
202432
202543
202620

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

Recent patents

Most cited

By later US patents