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US2018282982A1
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Self-draining hydrant with piston assembly
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US2018282981A1
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Valve assembly for use with multiple liquid lines
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US8469337B1
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Faucet sealing
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US2010314564A1
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Apparatus with movable timing sleeve control of flow through, and safety control operation
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Valve in-line backflow control
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US2007278440A1
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Faucet type valve with backflow control in handle structure
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Spool apparatus to connect to underground well pipe
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US7465399B1
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Filtered and unfiltered water ducting in sink fitting
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Watering through fill valve control
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Automatic draining back flow preventer for use with hydrant
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US5217039A
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Automatic draining back flow preventer for use with ground hydrant
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US5228471A
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Automatic draining back flow preventer
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Freeze valve apparatus
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Freeze valve apparatus
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Valve adjusting tool
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US4457741A
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Tensioner
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