4. Fluid reaction surfaces (i.e., impellers)
  5. Articulated, resiliently mounted or self-shifting impeller...
  6. Sectional, staged or nonrigid working member

Herbert N. Charles

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Automotive cooling fan with biased flexible blades

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member
Patent

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Automotive vehicle engine bay ventilation

Motor vehicles – Power – With means to guide and/or control air for power plant cooling
Patent

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Automotive vehicle engine bay ventilation by ducted-fan-operated

Motor vehicles – Power – With means to guide and/or control air for power plant cooling
Patent

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Axial flow ring fan

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Axially extending shroud ring or casing
Patent

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Closed coupled urine collection chamber

Surgery – Means and methods for collecting body fluids or waste material – Receptacle attached to or inserted within body to receive...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-195656

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