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Pipe manipulation apparatus and methods
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Patent number 10,487,965
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Issue date Nov 26, 2019
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CORE LINEPIPE INC.
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Samuel Glen Bouey
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Chamber coupler
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Patent number 10,179,437
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Issue date Jan 15, 2019
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Georg Fischer Rohrleitungssysteme AG
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Joerg Wermelinger
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Fluid transfer assembly
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Patent number 8,424,923
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Issue date Apr 23, 2013
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Dow Corning Corporation
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William D. Inman
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Pipe fittings
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Patent number 6,406,063
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Issue date Jun 18, 2002
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Fina Research, S.A.
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Pieter Geert Pfeiffer
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Reinforced thermoplastic pipe couping
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Patent number 6,164,702
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Issue date Dec 26, 2000
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ADC Acquisition Company
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David Edgar Hauber
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Joint
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Patent number 5,752,725
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Issue date May 19, 1998
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Hobab El-Sobky
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Fitting and pipe joint using the fitting
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Patent number 5,685,572
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Issue date Nov 11, 1997
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British Gas plc
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Valerie Margaret Linton
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electroweld fitting or electroweld collar
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Patent number 4,770,442
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Issue date Sep 13, 1988
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Friedrichsfeld GmbH, Keramikund Kunststoffwerke
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Wolfgang Sichler
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pipe joint
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Patent number 4,630,846
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Issue date Dec 23, 1986
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Hitachi Zosen Corporation
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Yoshinori Nishino
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Stab-type coupling
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Patent number 4,229,025
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Issue date Oct 21, 1980
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Perfection Corporation
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Frank R. Volgstadt
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3673029
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Patent number 3,673,029
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Issue date Jun 27, 1972
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3468346
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Patent number 3,468,346
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Issue date Sep 23, 1969
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3388932
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Patent number 3,388,932
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Issue date Jun 18, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3098664
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Patent number 3,098,664
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Issue date Jul 23, 1963
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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2930634
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Patent number 2,930,634
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Issue date Mar 29, 1960
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL