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High pressure liquid pump
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Patent number 5,215,443
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Issue date Jun 1, 1993
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Speck-Kolbenpumpenfabrik Otto Speck GmbH & Co. KG
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Franz Hani
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Valve arrangement for high pressure pumps
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Patent number 4,722,359
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Issue date Feb 2, 1988
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Speck-Kolbenpumpen-Fabrik Otto Speck KG
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Franz Hani
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Plunger pump
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Patent number 4,583,921
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Issue date Apr 22, 1986
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Speck-Kolbenpumpen-Fabrik Otto Speck KG
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Horst Wolff
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pump for forwarding liquids
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Patent number 4,561,828
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Issue date Dec 31, 1985
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Speck-Kolbenpumpen-Fabrik Otto Speck KG
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Horst Wolff
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...