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US3611550A
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Procedure for making quick assembly coupling
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Tool for making quick assembly coupling
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Dragline coupling
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Solid set coupling
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Conduit coupling assembly
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Procedure for making quick assembly coupling
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Coupling seal
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Multi-part cathode-ray cone
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Torque joint
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Quick assembly coupling and procedure for making
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Drain gasket
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Pressure sealed hydrant valve
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Gasket
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Collar protector
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Protector nipple
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Coupling nose fitting
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Split ring coupling
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US2916306A
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Pipe in socket coupling having loose thread connecting means
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Pressure responsive grip coupling
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US2925989A
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Spouted gate valve
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