4. Building units and construction elements
  5. Architectural stock material
  6. Extruded shape

Douglas C. Sperr

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Evaporative cooler

Gas and liquid contact apparatus – Fluid distribution – Pumping
Patent

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Evaporative cooler

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent

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Evaporative cooler

Gas and liquid contact apparatus – Contact devices – Porous sheet
Patent

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Evaporative cooling

Refrigeration – Automatic control – Gas-liquid contact cooler – fluid flow
Patent

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Mullion

Building units and construction elements – Architectural stock material – Extruded shape
Patent

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Profile ID: LFUS-PAI-P-726233

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