Filings by year

E01C 19/283: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198300
198400
198500
198610
198700
198810
198900
199000
199100
199200
199300
199400
199510
199600
199700
199810
199900
200000
200110
200220
200300
200400
200511
200600
200710
200800
200900
201000
201101
201200
201320
201402
201502
201621
201720
201800
201901
202010
202100
202202
202301
202402
202510
202610

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

Recent patents

Most cited

By later US patents