2024
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Invention
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Double venturi.
A double venturi may include an outer venturi and an inner venturi at least part... |
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Invention
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Double venturi. A double venturi may include an outer venturi and an inner venturi at least parti... |
2020
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Invention
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Hydrant valve with internal shut-off valve. A hydrant valve with an internal automatic shut-off v... |
2016
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Invention
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Locking mechanism for unisex ball valve coupling. A unisex ball valve coupling includes an interf... |
2014
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Invention
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Locking mechanism for unisex ball valve coupling. A hydraulic valve coupling has an interlock mec... |