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Hydrant assembly
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Patent number 10,370,832
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Issue date Aug 6, 2019
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John Albert Leggett
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E03 - WATER SUPPLY SEWERAGE
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Well casing security device
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Patent number 10,167,692
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Issue date Jan 1, 2019
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WELL SAFE, LLC
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Gerald T. Whitmer
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E03 - WATER SUPPLY SEWERAGE
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Well water depth monitor
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Patent number 10,145,235
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Issue date Dec 4, 2018
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WellGauge, Inc.
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Andre Emile Bourgeois
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E21 - EARTH DRILLING MINING
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Well water depth monitor
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Patent number 9,784,093
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Issue date Oct 10, 2017
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WellGauge, Inc.
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Andre Emile Bourgeois
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E03 - WATER SUPPLY SEWERAGE
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Deep-well pump system
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Patent number 9,038,711
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Issue date May 26, 2015
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Grundfos Management A/S
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Jørgen Bach
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E03 - WATER SUPPLY SEWERAGE
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Soil drainage system
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Patent number 7,909,535
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Issue date Mar 22, 2011
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Emile A. Samara
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Casing vent security device
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Patent number 7,363,969
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Issue date Apr 29, 2008
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Xela Innovations, LLC
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Kenneth Muderlak
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E03 - WATER SUPPLY SEWERAGE
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Well cap systems
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Patent number 7,231,968
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Issue date Jun 19, 2007
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Eric Owens
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E03 - WATER SUPPLY SEWERAGE
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Air filter for a well
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Patent number 6,684,945
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Issue date Feb 3, 2004
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In-Well Technologies, Inc.
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Kenneth A. Meyers
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E03 - WATER SUPPLY SEWERAGE
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Bolt-on well adapter
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Patent number 6,237,685
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Issue date May 29, 2001
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John J. Surinak
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E03 - WATER SUPPLY SEWERAGE
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Well screen system
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Patent number 6,202,749
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Issue date Mar 20, 2001
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David L. Adams
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E03 - WATER SUPPLY SEWERAGE
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Well cap snorkel vent
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Patent number 5,823,259
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Issue date Oct 20, 1998
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Baker Manufacturing Company
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Stephen D. Royle
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E03 - WATER SUPPLY SEWERAGE
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3416565
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Patent number 3,416,565
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Issue date Dec 17, 1968
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E03 - WATER SUPPLY SEWERAGE
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3362542
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Patent number 3,362,542
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Issue date Jan 9, 1968
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E03 - WATER SUPPLY SEWERAGE
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3010406
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Patent number 3,010,406
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Issue date Nov 28, 1961
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E03 - WATER SUPPLY SEWERAGE
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2771955
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Patent number 2,771,955
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Issue date Nov 27, 1956
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E03 - WATER SUPPLY SEWERAGE