4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Air treatment

Alan B. Johnson

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Air cleaner

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Filter & process for manufacturing filters using material cured

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
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Removal of polynuclear aromatic compounds from motor vehicle fue

Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
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