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

David Waddleton

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Bearing for gear pump

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

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Pressurized oil supply for propeller engine system

Fluid reaction surfaces (i.e. – impellers) – Method of operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1863530

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