4. Pumps
  5. Diverse pumps
  6. Moving partition or cylinder of rotary pump forms or...

John J. Vrabilk

Examiner

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Rotary gas expansion motor

Pumps – Diverse pumps – Moving partition or cylinder of rotary pump forms or...
Patent

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Scroll compressor having an Oldham's ring containing...

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Reexamination Certificate

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Profile ID: LFUS-PAI-P-549375

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