B31B 50/684

For joining the overlapping edges of collapsed blanks to form tubular blanks

Official title: {for joining the overlapping edges of collapsed blanks to form tubular blanks}

B31B50/684 (For joining the overlapping edges of collapsed blanks to form tubular blanks) appears on 2 US grants and 2 published applications in this corpus.

Search patents in B31B
Granted patents
2
Published applications
2
Assignees
4
Inventors
9
Latest grant
26 May 2026

Filings by year

B31B 50/684: granted patents and published applications per publication year
YearGranted patentsPublished applications
198610
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201001
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202100
202200
202300
202400
202501
202610

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