4. Valves and valve actuation
  5. Sequential opening or closing of serial ports in single flow...

Stephen V. St. Germain

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Cantering spring loaded fixed base butterfly valve seal

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate

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Shielded globe valve seal mechanism

Valves and valve actuation – Sequential opening or closing of serial ports in single flow...
Patent

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Profile ID: LFUS-PAI-P-1384842

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