4. Rotary expansible chamber devices
  5. Interengaging rotating members
  6. Helical or herringbone

Atsushi Maehara

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Content transmission system

Interactive video distribution systems – Use surveying or monitoring – Monitoring physical reaction or presence of viewer
Reexamination Certificate

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Rotary machine having screw rotor assembly

Rotary expansible chamber devices – Interengaging rotating members – Helical or herringbone
Patent

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Screw rotor assembly

Rotary expansible chamber devices – Working chamber surface expressed mathematically
Patent

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Profile ID: LFUS-PAI-P-1457284

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