Filings by year

E02D 5/40: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197800
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199010
199110
199200
199310
199400
199500
199600
199700
199800
199910
200010
200100
200200
200300
200400
200500
200600
200700
200801
200900
201000
201102
201204
201321
201410
201510
201601
201701
201810
201900
202000
202100
202212
202311
202401
202510
202613

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

Recent patents

Most cited

By later US patents