4. Power plants
  5. Pressure fluid source and motor
  6. Cyclically operable reciprocating or oscillating motor or...

Albert B. Roth

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Pumping jack

Power plants – Pressure fluid source and motor – Cyclically operable reciprocating or oscillating motor or...
Patent

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Pumping unit for a well pump

Power plants – Pressure fluid source and motor – Cyclically operable reciprocating or oscillating motor or...
Patent

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Riser connector

Pipe joints or couplings – With means blocking release of holding means – Set screw
Patent

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Profile ID: LFUS-PAI-P-1485004

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