Filings by year

E04B 2/822: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197810
197900
198010
198130
198200
198300
198420
198510
198600
198700
198800
198900
199000
199100
199220
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200901
201000
201100
201200
201300
201401
201502
201612
201700
201802
201930
202001
202100
202203
202303
202422
202531
202631

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

Recent patents

Most cited

By later US patents