4. Fluid handling
  5. Liquid level responsive or maintaining systems
  6. By float controlled valve

David Chelchowski

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A valve arrangement

Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent

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Ball valve

Valves and valve actuation – Rotary valves – Ball valve
Reexamination Certificate

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Collet for pipe coupling

Pipe joints or couplings – Movable jaw – Wedge bushing
Reexamination Certificate

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Coupling device for polymeric pipes

Pipe joints or couplings – Packed – Wedge
Reexamination Certificate

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Flush tank mechanism

Baths – closets – sinks – and spittoons – Flush closet – Manual selection of the amount of flush
Patent

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Profile ID: LFUS-PAI-P-938568

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