4. Expansible chamber devices
  5. Piston
  6. Side wall portion includes peripheral axially extending...

Henry W. Blackwell

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Apparatus for installing a liner within a well bore

Wells – Packers or plugs – With controllable passage between central chamber and space...
Patent

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Bowl and slips assembly with improved slip inserts

Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent

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Releasable tubing string connector

Pipe joints or couplings – Frangible element
Patent

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Setting tool for mechanical packer

Wells – Processes – Placing or shifting well part
Patent

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Swab cup having an internal reinforcing member

Expansible chamber devices – Piston – Side wall portion includes peripheral axially extending...
Patent

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Profile ID: LFUS-PAI-P-130782

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