4. Fluid handling
  5. Line condition change responsive valves
  6. Direct response valves

James V. Walker

Inventor

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Backed boss seal fitting

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Hydraulic flowmeter

Measuring and testing – Volume or rate of flow – Using differential pressure
Patent

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Soft seat valve

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Valve seal with O-ring and backup ring

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Profile ID: LFUS-PAI-P-42187

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