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Integrated jacking pipes
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Patent number 10,370,967
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Issue date Aug 6, 2019
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MEKOROT WATER COMPANY, LTD.
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Ben Ami Sorek
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multi-layer removable duct liners
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Patent number 10,119,634
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Issue date Nov 6, 2018
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Sarkis Khanzadian
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Liner for concrete article
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Patent number 9,605,777
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Issue date Mar 28, 2017
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HawkeyePedershaab Concrete Technologies, Inc.
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Claudio Subacchi
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B28 - WORKING CEMENT, CLAY, OR STONE
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Multiwall pipe lip seal joint
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Patent number 7,942,422
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Issue date May 17, 2011
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Unisert Multiwall Systems, Inc.
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Kenneth Tierling
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Thrust pipe
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Patent number 4,808,032
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Issue date Feb 28, 1989
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Meyer & John GmbH & Co. Tief- und Rohrleitungsbau
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Hans-Jurgen John
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E21 - EARTH DRILLING MINING
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Pipe coating machine
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Patent number 4,058,428
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Issue date Nov 15, 1977
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Compression Coat Corporation
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Patrick P. Case
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B28 - WORKING CEMENT, CLAY, OR STONE
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Concrete piles, poles or the like
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Patent number 3,963,056
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Issue date Jun 15, 1976
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Nippon Concrete Kogyo Kabushiki Kaisha
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Atsumi Shibuya
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Composite pipeline
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Patent number 3,955,600
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Issue date May 11, 1976
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Bechtel International Corporation
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Russell D. Tamburello
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3758940
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Patent number 3,758,940
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Issue date Sep 18, 1973
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B28 - WORKING CEMENT, CLAY, OR STONE
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3355529
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Patent number 3,355,529
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Issue date Nov 28, 1967
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3322157
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Patent number 3,322,157
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Issue date May 30, 1967
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3267969
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Patent number 3,267,969
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Issue date Aug 23, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2401092
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Patent number 2,401,092
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Issue date May 28, 1946
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...