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US Patent 11945038 Pipe coupon retainer

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
November 18, 2021
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Date of Patent
April 2, 2024
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Patent Application Number
17530120
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Patent Citations
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US Patent 10870157 Pilot drill with spring detent
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US Patent 11478910 Pipe coupon extraction tool
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US Patent 7357605 Pilot drill with coupon retainer and hot tapping machine using the same
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US Patent 7438509 Slug retrieval apparatus
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US Patent 7496999 Valve nut removal and replacement system
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US Patent 8104517 Resilient plug apparatus and method of use
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Patent Inventor Names
David Latimore Hughes, Jr.
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11945038
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Patent Primary Examiner
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Alan Snyder
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CPC Code
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B23B 51/044
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B23B 51/0453
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B23B 51/04
0
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B23B 51/0466
0
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B23B 51/05
0
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B23B 51/0426
0
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B23B 47/34
0

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