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US Patent 11767919 Method of using a pipe stopper

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
November 14, 2022
Date of Patent
September 26, 2023
Patent Application Number
17986633
Patent Citations
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US Patent 11525518 Pipe stopper assembly
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US Patent 7731151 Pendulum vacuum gate valve
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US Patent 8047219 Block and bleed plugging tool employing seals on a pipeline exterior
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US Patent 7281543 Apparatus, systems and methods for plugging a high temperature pipe
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US Patent 7494107 Gate valve for plus-atmospheric pressure semiconductor process vessels
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US Patent 7628176 Pipeline stop
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US Patent 7717136 Pipeline closing apparatus
Patent Inventor Names
James Webber
Mohammad Unnus Qasim
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11767919
Patent Primary Examiner
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John Bastianelli
CPC Code
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F16L 55/105
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F16K 3/314
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F16K 3/246
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F16L 55/124
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F16K 31/523

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