4. Heating
  5. Work chamber having heating means
  6. Having work atmosphere recirculating means

Howard L. Gutzwiller

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Axial fan turning diffuser

Heating – Work chamber having heating means – Work chamber having gaseous material supply or removal...
Patent

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Axial flow reversible fan for a heat treating furnace

Heating – Work chamber having heating means – Having work atmosphere recirculating means
Patent

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Cover plates for tank heads

Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Welded – cemented or fused
Patent

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Profile ID: LFUS-PAI-P-1378620

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