Filings by year

E01C 19/4826: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197910
198000
198110
198200
198300
198400
198510
198600
198700
198800
198910
199000
199110
199200
199320
199400
199500
199610
199700
199800
199900
200030
200100
200201
200301
200400
200500
200600
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202100
202200
202301
202401
202500
202610

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

Recent patents

Most cited

By later US patents