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Linear rod pump apparatus and method
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Patent number 8,641,390
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Issue date Feb 4, 2014
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Unico, Inc.
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Thomas L. Beck
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Linear rod pump operating method
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Patent number 8,555,984
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Issue date Oct 15, 2013
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Unico, Inc.
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Thomas L. Beck
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Linear rod pump apparatus and method
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Patent number 8,152,492
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Issue date Apr 10, 2012
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Unico, Inc.
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Thomas L. Beck
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Control system for centrifugal pumps
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Patent number 7,558,699
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Issue date Jul 7, 2009
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Unico, Inc.
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Thomas L. Beck
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Control system for centrifugal pumps
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Patent number 7,117,120
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Issue date Oct 3, 2006
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Unico, Inc.
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Thomas L. Beck
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...