Filings by year

E01C 19/4853: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198030
198110
198220
198310
198400
198530
198610
198720
198820
198900
199020
199110
199200
199310
199410
199510
199620
199710
199820
199920
200020
200100
200211
200321
200400
200500
200600
200700
200800
200901
201000
201128
201211
201340
201422
201513
201634
201768
2018105
201987
202055
202156
202234
202366
202438
202557
202665

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents