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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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Welding gun of plastics
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Patent number 8,443,860
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Issue date May 21, 2013
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Shih Li Machine & Hardware Co., Ltd.
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Cheng-Hsing Wang
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electrofusion socket forming system
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Patent number 7,767,938
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Issue date Aug 3, 2010
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Karl-Heinz Krah GmbH
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Karl-Heinz Krah
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electrofusion socket forming system
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Patent number 7,144,045
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Issue date Dec 5, 2006
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Karl-Heinz Krah GmbH
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Karl-Heinz Krah
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electrofusion socket forming system
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Patent number 6,781,099
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Issue date Aug 24, 2004
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Karl-Heinz Krah GmbH
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Karl-Heinz Krah
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electrofusion joining control device
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Patent number 6,680,464
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Issue date Jan 20, 2004
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Zurn Industries, Inc.
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Robert V. Carter
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Packaging having self-contained heater
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Patent number 6,541,744
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Issue date Apr 1, 2003
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Watlow Polymer Technologies
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Theodore Von Arx
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Thermoweldable clip for conduits
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Patent number 6,331,698
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Issue date Dec 18, 2001
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Manibs Spezialarmaturen GmbH & Co. KG
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Werner Hintzen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Double containment pipe and fitting joint
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Patent number 5,433,484
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Issue date Jul 18, 1995
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Enfield Industrial Corporation
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Alec Ewen
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Heat-recoverable article
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Patent number 5,236,765
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Issue date Aug 17, 1993
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N.V. Raychem S.A.
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Johannes M. Cordia
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL