Filings by year

E04H 1/1255: granted patents and published applications per publication year
YearGranted patentsPublished applications
198420
198500
198600
198710
198810
198910
199000
199110
199200
199300
199400
199500
199600
199710
199800
199910
200000
200100
200211
200300
200411
200500
200600
200701
200800
200910
201001
201132
201220
201311
201410
201500
201601
201710
201802
201910
202001
202110

By publication year. Applications have been published since 2001.