4. Heating systems
  5. Miscellaneous
  6. Special liquid

Wilfred J. Grenier

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Automatically resetting flush valve

Valves and valve actuation – Fluid actuated or retarded – Compulsory cut-off after flow period
Patent

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Disengagement tool for use with a pipe joint assembly

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent

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Expansible plug valve

Valves and valve actuation – With means to increase head and seat contact pressure – Separate actuators or actuator motion
Patent

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Expansible plug valve

Valves and valve actuation – With means to increase head and seat contact pressure – Separate actuators or actuator motion
Patent

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Flow control mechanism for flush valve

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

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Profile ID: LFUS-PAI-P-352055

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