Patents by Inventor Arthur Lumsden

Arthur Lumsden 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).

  • Woven wire screening and a method of forming the same
    Patent number: 9486837
    Abstract: A woven wire screening for use in classifying material flowing therethrough and a method of forming the same. The woven wire screening includes a plurality of warp wires and a plurality of weft wires. The plurality of warp wires and the plurality of weft wires are interwoven to form an integral wire cloth having a plurality of openings for permitting material to be classified to flow through the openings. The integral wire cloth includes an upper screening surface configured to enhance the tumbling action of product impacting the upper screening surface to improve throughput of the woven wire screening.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: November 8, 2016
    Assignee: Lumsden Corporation
    Inventors: Myron Henry Wardell, Arthur Lumsden, Jeffery L. Beck, Boyd E. Knepp
  • WOVEN WIRE SCREENING AND A METHOD OF FORMING THE SAME
    Publication number: 20150021240
    Abstract: A woven wire screening for use in classifying material flowing therethrough and a method of forming the same. The woven wire screening includes a plurality of warp wires and a plurality of weft wires. The plurality of warp wires and the plurality of weft wires are interwoven to form an integral wire cloth having a plurality of openings for permitting material to be classified to flow through the openings. The integral wire cloth includes an upper screening surface configured to enhance the tumbling action of product impacting the upper screening surface to improve throughput of the woven wire screening.
    Type: Application
    Filed: July 19, 2013
    Publication date: January 22, 2015
    Applicant: Lumsden Corporation
    Inventors: Myron Henry Wardell, Arthur Lumsden, Jeffery L. Beck, Boyd E. Knepp
  • Aqueous borohydride compositions
    Patent number: 8133288
    Abstract: An aqueous fuel for generating hydrogen includes alkaline aqueous composition of about 17 to 37 mole percent of a sodium borohydride, and from about 0.001 to 1 mole percent of sodium hydroxide.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: March 13, 2012
    Assignee: Montgomery Chemicals, LLC
    Inventors: Charles Arthur Lumsden, Thomas Hugh Evans