4. Fluid handling
  5. Systems
  6. Flow path with serial valves and/or closures

Douglas F Kirkman

Inventor

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Directional control valves

Fluid handling – Systems – Multi-way valve unit
Reexamination Certificate

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Liquid flow regulator

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Reexamination Certificate

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Pressure balanced couplings

Fluid handling – Systems – Flow path with serial valves and/or closures
Patent

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Sub-sea solenoid valves

Fluid handling – Systems – Supply and exhaust
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1341558

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