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US3442106A
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Method and apparatus for making wrought metal branch fittings
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US3371648A
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Liquid indicator
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US3437310A
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O-ring retaining construction for rotary valves
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US3274747A
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Method of sealing tubing
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US3271985A
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Apparatus and method for straightening extruded bar stock
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US3279237A
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Mandrel for bending tubing
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US3191398A
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Apparatus for congealing liquids having a moving scraper
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US3200984A
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Pressure seal plug
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US3198211A
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Multi-way valve unit having particular o-ring valve and seat structure
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US3108778A
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Blade type valve
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US3144263A
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Lamp swivel assembly with rotational limiting means
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US3109224A
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Method of making bearing pins
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US3000345A
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Liquid indicator
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US3104681A
|
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Plastic closures for protective use
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US3042965A
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Forming tool for plastic pipe
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US2546594A
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Apparatus for removing moisture in a refrigerating system
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US2497664A
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Pressure control valve
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US2249469A
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Orifice element for joints
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US2280255A
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Apparatus for making headers
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US2235072A
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Apparatus for producing return bend fittings
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