4. Valves and valve actuation
  5. Fluid actuated or retarded
  6. Pilot or servo type motor

Tom Williams

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Etching method and etching apparatus

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – For liquid etchant
Reexamination Certificate

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Etching method and etching apparatus

Semiconductor device manufacturing: process – Chemical etching – Liquid phase etching
Reexamination Certificate

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Oil transfer system

Fluid handling – Systems – With pump
Patent

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Pressure-actuated valve with metering choke

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

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Profile ID: LFUS-PAI-P-1052444

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