Patents by Inventor David L. Swadley

David L. Swadley 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).

  • Noise abating brake shoe
    Patent number: 5407036
    Abstract: A noise abating brake shoe assembly having a metal brake shoe and a friction material brake block with an elastomeric sound damping material added as a constituent to the brake block or interposed between the brake block and the brake shoe.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: April 18, 1995
    Assignee: Abex Corporation
    Inventors: Alan R. Hummel, David L. Swadley
  • Noise abating brake shoe
    Patent number: 5083643
    Abstract: A noise abating automotive brake shoe assembly consisting essentially of a mixture of from about 2 to about 30 percent by weight of a discrete, heat-cured, particulate, elastomeric, sound damping material containing cashew nut shell resin, nitrile rubber, resin binder, a fiber selected from a group consisting of metal, glass, mineral rock wool and refractory with the remainder being friction material ingredients.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: January 28, 1992
    Assignee: Abex Corporation
    Inventors: Alan R. Hummel, David L. Swadley