4. Wells
  5. With eduction pump or plunger
  6. Having liquid-gas separator

John A. Becker

Inventor

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Actively driven thermal radiation shield

Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Reexamination Certificate

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Handheld isotope identification system

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate

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Hydraulically operated downhole oil well pump

Wells – With eduction pump or plunger – Having liquid-gas separator
Patent

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Profile ID: LFUS-PAI-P-1964252

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