Patents by Inventor Willard Bergeron

Willard Bergeron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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
  • Air and rock particle separator with spiral deflectors
    Patent number: 4277263
    Abstract: A separator for use in separating air-born rock material from air. The separator comprises a housing defining a generally horizontal air flow path with at least one set of spiral deflector bands within the housing extending across the flow path. Each band preferably comprises a twisted strip of material which is resilient, but the strip can also be made from rigid or flexible material.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: July 7, 1981
    Inventor: Willard Bergeron