4. Pipe joints or couplings
  5. Particular interface
  6. Tapered

Alejandro Newski

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Centralizer for a polished bar and/or a substance pump piston st

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Self lubricating, two stage variable compressor

Pumps – Successive stages – Reciprocating rigid stages
Patent

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Subsurface stuffing box assembly

Pumps – Processes
Patent

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Sucker rod centralizer

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Sucker rod centralizer

Wells – Guide for device or conduit – On sucker or pump rod
Patent

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Profile ID: LFUS-PAI-P-543302

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