Filings by year

E01C 7/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
198830
198900
199000
199100
199210
199310
199440
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201201
201300
201400
201500
201600
201700
201811
201901
202000
202110
202201
202300
202400
202510

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents