Filings by year

E01C 23/128: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197900
198000
198100
198200
198310
198400
198500
198610
198730
198850
198910
199010
199110
199200
199300
199410
199500
199600
199700
199800
199900
200000
200121
200210
200301
200401
200520
200611
200700
200800
200901
201001
201121
201201
201310
201401
201511
201621
201700
201801
201923
202021
202100
202201
202321
202400
202500
202610

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