Filings by year

E01C 19/524: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198300
198400
198500
198600
198700
198810
198910
199010
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200301
200410
200500
200600
200700
200800
200900
201001
201100
201200
201300
201410
201500
201600
201701
201820
201900
202000
202100
202201
202300
202400
202510

By publication year. Applications have been published since 2001.