Patents by Inventor Christopher J. Mould

Christopher J. Mould 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 frame with a dual channel guide strip
    Patent number: 5032272
    Abstract: For use in internally supporting a filter element of the fabric, bag-shape type there is provided a support frame having a border at least a part of which is defined by a single guide strip typically substantially W-shaped in cross-section and which presents two guide channels to face inwards of the frame for the spaced apart support of two mesh layers. A single deformed length of the guide strip may be used to form a base and two side portions of a rectangular shaped support frame.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: July 16, 1991
    Assignee: BTR plc
    Inventor: Christopher J. Mould