4. Boring or penetrating the earth
  5. Tool removable or insertable through or around driving or...

James B. Adams, Jr.

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Locking mandrel having dogs for latching to a landing nipple and

Wells – Valves – closures or changeable restrictors – Fluid operated
Patent

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Pump in core breaker carrier

Boring or penetrating the earth – Tool removable or insertable through or around driving or...
Patent

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Safety switch for well tools

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore
Patent

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Surface controlled subsurface safety valve

Wells – With below and above ground modification – Above ground actuating means for below ground device
Patent

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Valve

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Profile ID: LFUS-PAI-P-83493

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