4. Receptacles
  5. Closures
  6. Vent in closure

Kelch Corp.

Corporate Assignee

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Bi-directional pressure relief vent for a fuel tank

Fluid handling – Line condition change responsive valves – Bi-directional flow valves
Patent

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Float activated gauge

Measuring and testing – Liquid level or depth gauge – Float
Patent

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Fuel tank gauge

Measuring and testing – Liquid level or depth gauge – Float
Patent

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Vent for portable gas tank or the like

Receptacles – Closures – Vent in closure
Patent

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