4. Fluid handling
  5. Systems
  6. Tank with internally extending flow guide, pipe or conduit

Penn Troy Machine Co., Inc.

Corporate Assignee

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Float actuated combination air and vacuum valve

Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent

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Gate assembly for a double disk gate valve

Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Patent

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Resilient seated mud valve

Valves and valve actuation – With correlated flow path – Tank
Patent

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Spur gear to interconnect rack and worm

Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Reexamination Certificate

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Stainless steel security cap for fire hydrants

Pipes and tubular conduits – With closures and plugs – Inflation stem type
Patent

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