4. Pipe joints or couplings
  5. With assembly means or feature
  6. Particular tool-engaging means or with tool

Lewis L. Aldridge

Inventor

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All metal diaphragm valve

Valves and valve actuation – Reciprocating valve – Diaphragm
Patent

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Compact fluid powered actuator

Expansible chamber devices – With separate biasing means for working member
Patent

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Gasket assembly for a fluid coupling

Pipe joints or couplings – Particular interface
Patent

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Gasket assembly for a fluid coupling

Pipe joints or couplings – Particular interface
Patent

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Gasket retainer

Pipe joints or couplings – Packed – Gasket retainer
Patent

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Profile ID: LFUS-PAI-P-530205

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