4. Pipe joints or couplings
  5. With fluid pressure seal
  6. Expansible internal sleeve-type gasket

Erik Raad

Inventor

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Coupling device

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Reexamination Certificate

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Seal

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent

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Seal

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Design Patent

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Sealing element and a coupling device and a valve device...

Pipe joints or couplings – With fluid pressure seal – Expansible internal sleeve-type gasket
Reexamination Certificate

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Sealing element and a coupling device provided with such a...

Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2328914

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