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Water control valve assembly
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Patent number 8,522,814
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Issue date Sep 3, 2013
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Grundfos Pumps Corporation
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Dale Kempf
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E03 - WATER SUPPLY SEWERAGE
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Water control fixture having bypass valve
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Patent number 8,505,830
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Issue date Aug 13, 2013
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Grundfos Pumps Manufacturing Corporation
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Dale Kempf
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Water control fixture having bypass valve
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Patent number 8,091,793
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Issue date Jan 10, 2012
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Grundfos Pumps Manufacturing Corporation
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Dale Kempf
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Circulating pump
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Patent number 6,082,976
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Issue date Jul 4, 2000
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Grundfos Manufacturing Corporation
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Dale Kempf
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compliant sheave
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Patent number 5,338,264
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Issue date Aug 16, 1994
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Lift-U, division of Hogan Mfg., Inc.
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Dale Kempf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Leaf chain drive assembly
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Patent number 5,224,722
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Issue date Jul 6, 1993
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Hogan Mfg., Inc.
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Dale Kempf
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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