Filings by year

E02B 15/0878: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197910
198000
198100
198220
198300
198400
198500
198600
198700
198800
198900
199010
199110
199200
199310
199400
199500
199610
199700
199800
199900
200000
200100
200202
200300
200410
200501
200600
200701
200800
200900
201001
201100
201200
201302
201400
201511
201600
201713
201800
201900
202011
202110

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents