4. Pipes and tubular conduits
  5. With pressure compensators
  6. Variable capacity chambers

Stephen H. Graham

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Hydraulic pulse dampener employing stiff diaphragm and nesting m

Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent

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Hydraulic pulse dampener employing two stiff diaphragms and nest

Pipes and tubular conduits – With pressure compensators – Variable capacity chambers
Patent

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Piston pump with floating seal

Expansible chamber devices – With guide or seal on cylinder end portion for piston or... – Non-metallic seal means between piston or member and end...
Reexamination Certificate

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