4. Aeronautics and astronautics
  5. Aircraft sustentation
  6. Sustaining airfoils

William B. Kroll

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Deployable vortex turbine for dissipating or extracting energy f

Aeronautics and astronautics – Aircraft sustentation – Sustaining airfoils
Patent

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Scroll compressor with adjustable capacity

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-361303

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