4. Pipes and tubular conduits
  5. With closures and plugs
  6. Inflation stem type

David P. Passerell

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Angle cock valve

Valves and valve actuation – Mechanical movement actuator – Plural motions of valve
Patent

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Angle valve

Valves and valve actuation – Rotary valves
Patent

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Coupling apparatus

Pipe joints or couplings – Nonmetal to metal – Internal member
Patent

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Heat trap

Liquid heaters and vaporizers – Stand boiler – And condition responsive feature
Reexamination Certificate

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No-hole insertion joint

Pipe joints or couplings – Repair
Patent

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Profile ID: LFUS-PAI-P-424623

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