4. Rotary expansible chamber devices
  5. Working member has planetary or planetating movement
  6. Helical working member, e.g., scroll

John P. Elson

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Compressor induction system

Pumps – With muffler acting on pump fluid
Patent

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Dual compressors

Pumps – With muffler acting on pump fluid
Patent

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Dual compressors

Pumps – Motor driven – Resiliently mounted pump or motor
Patent

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Hermetic refrigeration compressor

Pumps – With muffler acting on pump fluid
Patent

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Horizontal scroll compressor having an oil injection fitting

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-92646

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