Patents Assigned to ALBERS MECHANICAL CONTRACTORS, INC.
  • Foam core duct system protected by metal sleeves with integral flanges
    Patent number: 11835252
    Abstract: This application relates to a duct system, including a duct section that includes a foam body having a first end face and a second end face, where the foam body defines a duct passage extending from the first end face to the second end face, and a sleeve that directly or indirectly covers the foam body, the first sleeve including a plurality of side walls, where at least one side wall has an integral end portion that is folded back to define at least a portion of an integral, peripheral coupling flange around an end face of the foam body.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: December 5, 2023
    Assignee: ALBERS MECHANICAL CONTRACTORS, INC.
    Inventor: Charles G. Albers
  • Foam core duct system protected by metal sleeves with integral flanges
    Patent number: 10976070
    Abstract: This application relates to a duct system, including a duct section that includes a foam body having a first end face and a second end face, where the foam body defines a duct passage extending from the first end face to the second end face, and a sleeve that directly or indirectly covers the foam body, the first sleeve including a plurality of side walls, where at least one side wall has an integral end portion that is folded back to define at least a portion of an integral, peripheral coupling flange around an end face of the foam body.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 13, 2021
    Assignee: ALBERS MECHANICAL CONTRACTORS, INC.
    Inventor: Charles G. Albers