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Flow control valve
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Patent number 10,126,758
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Issue date Nov 13, 2018
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OBS Technology AS
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Nils Terje Ottestad
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pressure volume regulator
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Patent number 9,970,559
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Issue date May 15, 2018
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AKER SOLUTIONS AS
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Nils T. Ottestad
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Intermediate storage
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Patent number 9,657,553
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Issue date May 23, 2017
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OBS Technology AS
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Nils Terje Ottestad
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E21 - EARTH DRILLING MINING
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Flexible chamber
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Patent number 8,667,888
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Issue date Mar 11, 2014
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Ottelstad Breathing Systems AS
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Nils T. Ottestad
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...