B31B 2120/404

Using vacuum or pressure means to force the liner against the wall

Official title: {using vacuum or pressure means to force the liner against the wall}

B31B2120/404 (Using vacuum or pressure means to force the liner against the wall) appears on 41 US grants and 39 published applications in this corpus.

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Granted patents
41
Published applications
39
Assignees
26
Inventors
71
Latest grant
15 Sep 2026

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B31B 2120/404: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198020
198100
198210
198300
198400
198510
198600
198700
198820
198920
199000
199110
199200
199300
199410
199530
199600
199700
199810
199910
200020
200100
200201
200300
200400
200500
200601
200701
200820
200900
201000
201101
201200
201301
201403
201512
201611
201710
201821
201901
202015
202113
202233
202335
202421
202548
202621

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

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