Filings by year

D06P 1/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197740
197820
197920
198000
198130
198210
198310
198400
198500
198600
198700
198800
198910
199000
199110
199200
199300
199400
199500
199600
199700
199800
199910
200010
200100
200200
200300
200401
200501
200612
200700
200810
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202100
202201
202301

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents