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Concentric piping flex joint
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Patent number 4,984,827
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Issue date Jan 15, 1991
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Lockheed Corporation
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George W. Peppel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rope tension damper
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Patent number 4,846,446
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Issue date Jul 11, 1989
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Lockheed Corporation
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George W. Peppel
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B66 - HOISTING LIFTING HAULING
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Concentric piping flex joint
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Patent number 4,784,410
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Issue date Nov 15, 1988
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Lockheed Corporation
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George W. Peppel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rope tension damper
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Patent number 4,760,992
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Issue date Aug 2, 1988
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Lockheed Corporation
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George W. Peppel
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B66 - HOISTING LIFTING HAULING
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Axial displacement coupling
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Patent number 4,706,998
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Issue date Nov 17, 1987
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Lockheed Corporation
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George W. Peppel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Riser tensioning system
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Patent number 4,655,433
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Issue date Apr 7, 1987
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Lockheed Corporation
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George W. Peppel
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B66 - HOISTING LIFTING HAULING
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Multi passage flexible connector
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Patent number 4,103,939
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Issue date Aug 1, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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E21 - EARTH DRILLING MINING
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Tension bearing connector
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Patent number 4,098,527
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Issue date Jul 4, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball valve with linear elastomeric seal mounting
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Patent number 4,084,785
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Issue date Apr 18, 1978
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Murdock Machine & Engineering Company of Texas
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John T. Herbert
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ocean floor riser connection
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Patent number 4,076,284
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Issue date Feb 28, 1978
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Murdock Machine & Engineering Co.
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John T. Herbert
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E21 - EARTH DRILLING MINING
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Single element flexible connection
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Patent number 4,068,864
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Issue date Jan 17, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...