Filings by year

E04B 1/615: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198500
198610
198710
198810
198900
199000
199100
199200
199310
199410
199520
199600
199710
199820
199900
200010
200100
200200
200300
200412
200501
200600
200702
200801
200901
201011
201123
201213
201311
201421
201521
201610
201700
201800
201901
202021

By publication year. Applications have been published since 2001.