Patents by Inventor Carl H. Bird

Carl H. Bird 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).

  • Fire-retardant cellulose insulation and method of production
    Patent number: 4370249
    Abstract: A fire-resistant, cellulose insulation and method, the cellulose insulation including a predetermined quantity of talc to impart the desired degree of fire-resistant characteristics to the cellulose. Predetermined quantities of boron compounds can be added with the talc to improve the fire-suppressant characteristics of the insulation. The method includes directing ground cellulose from the primary grinding stage into a surge bin to accommodate metering the talc with the cellulose to thereby assure the appropriate distribution ratio of talc in the cellulose.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: January 25, 1983
    Assignees: Jack E. White, Franklin N. Smith, Jr.
    Inventors: Thomas O. Bird, Jack White, Carl H. Bird
  • Fire-retardant cellulose insulation and process for making same
    Patent number: 4230585
    Abstract: A fire-resistant, cellulose insulation and method, the cellulose insulation including a predetermined quantity of talc to impart the desired degree of fire-resistant characteristics to the cellulose. If desired, limited quantities of boron compounds can be added with the talc. The method includes directing ground cellulose from the primary grinding stage into a surge bin to accommodate metering the talc with the cellulose to thereby assure the appropriate distribution ratio of talc in the cellulose.
    Type: Grant
    Filed: November 15, 1978
    Date of Patent: October 28, 1980
    Assignee: White-Bird Enterprises, Inc.
    Inventors: Thomas O. Bird, Jack White, Carl H. Bird