Patents by Inventor Bernard T. Loughlin

Bernard T. Loughlin 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).

  • Sol-gel process alumina abrasive grain blends in coated abrasive material
    Patent number: 5007943
    Abstract: Coated abrasive material having blends of abrasive grains of sol gel process alumina and alumina-zirconia in a volume ratio of at least 15% sol gel abrasive grain provide improved performance in certain grinding applications and a more universal coated abrasive product for a wider range of grinding applications than such products of either abrasive grain alone.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: April 16, 1991
    Assignee: Norton Company
    Inventors: Robert G. Kelly, Bernard T. Loughlin, William F. McCutcheon
  • Abrasive wheels
    Patent number: 4230461
    Abstract: This invention relates to improved fabrics used in the reinforcement of resin-bonded abrasive wheels. The fabrics are characterized by a coating of a novolak resin essentially free of added crosslinking agents.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: October 28, 1980
    Assignee: Eli Sandman Company
    Inventors: Michael A. Sandman, Bernard T. Loughlin