Patents by Inventor William W. Harrington

William W. Harrington 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).

  • POLYMER MODIFIED ASPHALT ROOFING MATERIAL
    Publication number: 20240076875
    Abstract: A shingle coating asphalt composition is provided that is produced from a paving grade asphalt. The asphalt composition comprises a paving-grade asphalt that has been modified with one or more polymer additives; and a secondary additive comprising one or more of a viscosity reducing agent, a wax, a salt of a fatty acid ester, and an amide of a fatty acid. The shingle coating asphalt coating composition is used to make a shingle. The shingle includes a substrate, the asphalt, and roofing granules.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Inventors: Carmen Anthony LaTorre, Jacob Paul Honsvick, Christopher Patrick Kasprzak, Daniel James Buckwalter, Edward R. Harrington, Jonathan Ross Davis, Laurand Henry Lewandowski, David Michael Ploense, William Edwin Smith, Scott W. Schweiger, Ganesh Latta
  • Radiometric target detection device
    Patent number: 3978797
    Abstract: A radiometer is mounted in a guided missile for detecting electro-magnetic hermal power in the microwave region of the spectrum radiated from an area of suspected targets with circuitry coupled thereto to respond to a predetermined change in level of radiation to generate a warhead fuzing signal.
    Type: Grant
    Filed: April 28, 1971
    Date of Patent: September 7, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William W. Harrington, Frederick C. Alpers