4. Fluid reaction surfaces (i.e., impellers)
  5. Specific blade structure
  6. Reverse curve surface

John F. Davidson

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Impeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Reverse curve surface
Patent

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Impellers

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Reverse curve surface
Patent

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Improvements in or relating to circulating bed electrodes

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent

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Kiln for calcination of a powder

Furnaces – With fuel treatment means – Preliminary refuse treatment means
Patent

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Method of making refractory shaped articles by cutting verticall

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting – Controlling rate of movement of molding material or its...
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Profile ID: LFUS-PAI-P-643323

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