Patents Assigned to Ecolaire Inc.
  • Patent number: 4043775
    Abstract: There is disclosed an air lock filter system for separating solids from gases at temperatures up to about 1200.degree. F. wherein the filter element is a rigid porous refractory tube in an air vent for a pressure vessel. The filter element is located so that gas under pressure introduced into the vessel backwashes the filter element.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: August 23, 1977
    Assignee: Ecolaire Inc.
    Inventor: Richard L. Solomon