E04B 1/681

For free moving parts

Official title: {for free moving parts}

E04B1/681 (For free moving parts) appears on 68 US grants and 41 published applications in this corpus.

Search patents in E04B
Granted patents
68
Published applications
41
Assignees
43
Inventors
91
Latest grant
21 Apr 2026

Filings by year

E04B 1/681: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197720
197810
197920
198000
198100
198210
198300
198410
198510
198600
198700
198800
198910
199030
199100
199200
199330
199430
199510
199610
199720
199800
199920
200030
200100
200232
200300
200401
200500
200610
200711
200802
200901
201010
201102
201203
201322
201443
201521
201623
201742
201832
201923
202053
202111
202231
202304
202432
202501
202631

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