4. Valves and valve actuation
  5. Rotary valves
  6. Ball valve

Gary Alan Witt

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Fluid control valve with fastener for ceramic valve plug

Valves and valve actuation – Rotary valves – Ball valve
Patent

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Fluid flow control valve with bi-directional shutoff

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

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Fluid valve control members having contoured sealing surfaces

Valves and valve actuation – Rotary valves – Ball valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-529860

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