4. Fluid handling
  5. Destructible or deformable element controlled
  6. Heat destructible or fusible

David R. Mefford

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Heat sensitive shaft locking apparatus and valve using same

Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible
Patent

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Stem seal pressure telltale

Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Reexamination Certificate

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Valve, actuator and control system therefor

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate

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Valve, actuator and control system therefor

Valves and valve actuation – Limit stop – Adjustable
Reexamination Certificate

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Valve, actuator and control system therefor

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-181473

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