4. Pipe joints or couplings
  5. With indicator, alarm or inspection means

Eugene O. Lee

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Ball and socket pipe coupling

Pipe joints or couplings – With indicator – alarm or inspection means
Patent

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Valve mechanism for a control valve

Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Patent

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Profile ID: LFUS-PAI-P-1404644

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