4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Irregular, flanged or channel forming blade surface

Katsuhito Yamada

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Axial flow fan

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Patent

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Axial flow fan having auxiliary blade

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Patent

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Axial flow fan having auxiliary blades

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing with mounting means
Patent

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Axial flow fan with auxiliary blades

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Irregular – flanged or channel forming blade surface
Patent

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Humidifer device for fuel cells and operating system thereof

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-485454

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