4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Radial flow devices

Reinhold Hopfensperger

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Axial-flow fan

Rotary kinetic fluid motors or pumps – With sound or vibratory wave absorbing or preventing means...
Patent

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Centrifugal fan

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Patent

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Circulation fan for baking ovens

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent

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Impeller made from a sheet-metal disk and method of manufacturin

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices
Patent

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Peristaltic pump

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed
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Profile ID: LFUS-PAI-P-644005

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