Patents by Inventor Harold D. Burdett

Harold D. Burdett 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).

  • Spacers for use in forming modular buildings
    Patent number: 4915346
    Abstract: A conical spacer assembly for supporting and spacing one member relative to another member comprising a conical housing having a smooth outer surface and hole extending axially therethrough for receiving at one or both ends thereof a bolt in threaded arrangement therewith. A flat circular shaped clamp having an aperture extending laterally therethrough is provided for receiving through its aperture the housing of the spacer which clamp snugly engages the housing at a point along its length laterally thereof and engages and supports a rebar at one or more point around its periphery.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: April 10, 1990
    Inventor: Harold D. Burdett
  • Apparatus for forming modular building structures
    Patent number: 4029287
    Abstract: A portable apparatus for forming individual or multiple reinforced concrete, hollow core units of a modular building structure in interconnected side by side and/or high rise relationship which apparatus may be sufficiently collapsed to allow for easy removal from the formed and cured hollow core unit to again be used to form additional subsequent, interconnected, hollow core units of the building structure.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: June 14, 1977
    Inventor: Harold D. Burdett
  • Process and apparatus for forming modular building structures
    Patent number: 3993720
    Abstract: A process and portable apparatus for forming individual or multiple reinforced concrete, hollow core units of a modular building structure in interconnected side by side and/or high rise relationship which apparatus may be sufficiently collapsed to allow for easy removal from the formed and cured hollow core unit to again be used to form additional subsequent, interconnected, hollow core units of the building structure.
    Type: Grant
    Filed: September 30, 1974
    Date of Patent: November 23, 1976
    Inventor: Harold D. Burdett