A47B 57/567

Using wedges or a wedging effect without screw means

Official title: {using wedges or a wedging effect without screw means}

A47B57/567 (Using wedges or a wedging effect without screw means) appears on 28 US grants and 14 published applications in this corpus.

Search patents in A47B
Granted patents
28
Published applications
14
Assignees
10
Inventors
33
Latest grant
28 Jan 2020

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A47B 57/567: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197930
198010
198100
198200
198310
198400
198520
198600
198700
198810
198900
199000
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199200
199300
199400
199520
199610
199700
199800
199900
200010
200110
200200
200300
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200601
200701
200801
200911
201010
201100
201200
201301
201400
201500
201623
201721
201841
201922
202010
202101
202201

By publication year. Applications have been published since 2001.