Patents by Inventor Frank Barnett

Frank Barnett 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).

  • Powder coating of polyepoxide or &bgr;-hydroxyalkylamide, acid resin, polycarboxylic acid and 3° or 4° nitrogen source
    Patent number: 6624259
    Abstract: A powdered coating composition comprises a thermosetting resin which consists of two components. The first component includes an acid reactive material comprising a polyepoxide or &bgr;-hydroxyalkylamide compound. The second component is an acid terminated resin which reacts with the first component. A curing agent including a polycarboxylic acid having a functionality of at least 3 and a source of tertiary or quanternary nitrogen is present to react with an excess of the first component, thereby curing thermosetting resin.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: September 23, 2003
    Assignee: Thomas Swan & Co. Ltd.
    Inventors: Frank Barnett Richardson, Peter Joseph Huby Watson
  • Expanded metal
    Patent number: 4124925
    Abstract: A reciprocating knife expanded metal machine has a knife for producing parallel strand expanded metal mesh. The knife has cutting teeth with the effective cutting edges of adjacent teeth spaced by a distance almost as great as the length of an effective cutting edge of a tooth. The leading portion of the cutting edge of each tooth is longitudinally and convexly curved.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: November 14, 1978
    Assignee: The Expanded Metal Company Limited
    Inventor: Frank Barnett