4. Rotary expansible chamber devices
  5. With mechanical sealing
  6. Axially movable end wall or end wall portion

Dennis G. Ewald

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Center driven pressure clamped hydraulic pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion
Reexamination Certificate

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Pressure clamped hydraulic pump

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion
Patent

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Remotely switched voltage converter

Electricity: single generator systems – Combined control of generating means and load circuit – Including load circuit-making and breaking
Patent

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Profile ID: LFUS-PAI-P-1634552

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