Patents Assigned to Equifab, Inc.
  • Filter module for dust collector system
    Patent number: 4449993
    Abstract: A filter module comprises a frame bridged by a plurality of spaced-apart arch members, on which is supported a one-piece filter element comprising a plurality of pockets which each enshroud an arch member, and which connect into a mouth portion circumscribing the frame and held in position by a drawstring. The filter module is easily erected, and a seal between the inlet and outlet sides of filter equipment employing the module is easily provided.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: May 22, 1984
    Assignee: Equifab, Inc.
    Inventor: Willard Bergeron