4. Fluid handling
  5. Hydrant type

David F. Laurel

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Ball drop head with rotating rings

Wells – Processes – Assembling well part
Patent

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Drillable whipstock

Wells – Means for guiding insertable element laterally of well axis – Secured in operative position by movable means engaging well...
Patent

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Flow actuated valve for use in a wellbore

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Hydrant and components thereof

Fluid handling – Hydrant type
Patent

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Hydrant and components thereof

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Profile ID: LFUS-PAI-P-822549

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