Filings by year

D06P 1/92: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976200
1977110
1978100
197950
198020
198130
198230
198310
198410
198530
198640
198740
198870
198940
199020
199110
199240
199320
199440
199510
199640
199710
199810
199910
200020
200110
200210
200355
200424
200542
200632
200710
200810
200901
201002
201100
201200
201301
201422
201501
201611
201705
201833
201913
202036
202138
202215
202354
202486
202513
202618

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents