Filings by year

E01C 19/35: granted patents and published applications per publication year
YearGranted patentsPublished applications
198510
198600
198700
198810
198900
199010
199100
199200
199310
199400
199500
199600
199710
199800
199910
200010
200110
200201
200310
200401
200501
200601
200712
200800
200902
201023
201121
201213
201333
201402
201534
201633
201743
201804
201962
202013
202113
2022210
2023516
202435
202556
202643

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

Recent patents

Most cited

By later US patents