4. G - Physics
  5. 01
  6. N

David E. Cain

G - Physics – 01 – N

Inventor

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Inventor

Country: United States Of America

Automatic slip casing hanger with radially energized seal...

E - Fixed Constructions – 21 – B
Patent

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Combination poppet and gate valve

F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent

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Fs seal for a large diameter pipe

E - Fixed Constructions – 21 – B
Patent

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Method and apparatus for sealing between casing and wellhead...

E - Fixed Constructions – 21 – B
Patent

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Pressure energized/pressure intensified casing seal

F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent

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Profile ID: LFCA-PAI-P-1066137

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