Filings by year

E02B 3/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198210
198300
198400
198500
198600
198700
198800
198900
199010
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200210
200300
200402
200504
200600
200700
200811
200910
201000
201100
201200
201300
201402
201520
201621
201711
201812
201911
202011
202112
202211
202323
202410
202520

By publication year. Applications have been published since 2001.