Filings by year

E04H 3/165: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197920
198000
198110
198200
198300
198410
198500
198610
198720
198810
198910
199040
199160
199210
199340
199420
199520
199620
199710
199820
199930
200030
200100
200220
200323
200412
200510
200601
200710
200804
200902
201011
201120
201201
201300
201410
201500
201601
201722
201811
201910
202002
202110
202200
202300
202402

By publication year. Applications have been published since 2001.