Filings by year

E04H 1/1222: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197910
198010
198110
198200
198300
198420
198500
198610
198710
198800
198910
199010
199100
199210
199320
199400
199500
199600
199710
199820
199900
200020
200100
200212
200312
200411
200504
200602
200721
200803
200904
201001
201101
201201
201305
201446
201543
201634
201711
201887
201965
202043
202147
202204
202333
202403
202524
202636

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents