Filings by year

E04H 17/1469: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199910
200010
200110
200210
200301
200411
200500
200601
200700
200801
200901
201002
201101
201203
201311
201400
201501
201622
201711
201832
201910
202000
202111
202210
202300
202400
202511

By publication year. Applications have been published since 2001.