Filings by year

E01C 19/1077: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197820
197910
198020
198110
198210
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199910
200020
200100
200211
200301
200411
200510
200600
200700
200800
200900
201000
201100
201201
201302
201410
201510
201632
201732
201821
201922
202000
202111
202210
202300
202400
202501

By publication year. Applications have been published since 2001.