Patents by Inventor Carl Melvin Ogburn

Carl Melvin Ogburn 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).

  • Flame-retardant composition and process for a flexible open-cell polyurethane foam
    Patent number: 10377871
    Abstract: A flame retardant composition for producing a resulting polyurethane foam, a flame retardant process for producing a resulting polyurethane foam, and a resulting polyurethane foam produced by a flame retardant process are described. The resulting polyurethane foam meets the Federal Railroad Administration, National Fire Protection Association, and Federal Transit Administration fire performance testing criteria for cushioning applications in railway, bus, and van industries.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: August 13, 2019
    Inventors: Chandrasiri Jayakody, Carl Melvin Ogburn, Mark Allen Brown
  • Institutional mattress and pillow composite with transparent covering
    Patent number: 8056169
    Abstract: A composite mattress with or without a pillow made of flexible or compressible filling material covered by a pliable transparent polymeric cover material with a visual clarity to allow one to detect, locate, and identify contraband items hidden under the cover material.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: November 15, 2011
    Assignee: Chestnut Ridge Foam, Inc.
    Inventors: John Joseph McManamy, Carl Melvin Ogburn