Patents by Inventor Richard L. Puterbaugh

Richard L. Puterbaugh 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).

  • Patent number: 4082825
    Abstract: A disclosed refrigeration cabinet has an integrated construction of sheet material and insulating foam which substantially eliminates the need for mechanical fasteners and welding, minimizes assembly operations, and permits the use of prefinished sheet panels. An outer cabinet shell preferably includes a prefinished sheet wrapped into a rectangular tube. The shell tube is reinforced at one end by a perimeter frame and at the other end by a thermal breaker collar. After the shell tube and frame are assembled, a liner is positioned in the tube and the breaker collar is installed. Rigid insulating foam is then foamed in place between the shell and liner to produce a sandwich construction in which the form secures and reinforces both the shell and the liner.
    Type: Grant
    Filed: November 19, 1975
    Date of Patent: April 4, 1978
    Assignee: Franklin Manufacturing Company
    Inventor: Richard L. Puterbaugh
  • Patent number: 3966283
    Abstract: A refrigeration cabinet construction wherein refrigeration tubing is permanently secured to cabinet walls by a tube securing and insulating foam which is compatible with the use of prefinished cabinet panels and which avoids the use of mechanical tube fasteners or other means which would otherwise disturb the appearance of the prefinished panels.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: June 29, 1976
    Assignee: Franklin Manufacturing Company
    Inventor: Richard L. Puterbaugh
  • Patent number: 3948407
    Abstract: A disclosed refrigeration cabinet has an integrated construction of sheet material and insulating foam which substantially eliminates the need for mechanical fasteners and welding, minimizes assembly operations, and permits the use of prefinished sheet panels. An outer cabinet shell preferably includes a prefinished sheet wrapped into a rectangular tube. The shell tube is reinforced at one end by a perimeter frame and at the other end by a thermal breaker collar. After the shell tube and frame are assembled, a liner is positioned in the tube and the breaker collar is installed. Rigid insulating foam is then foamed in place between the shell and liner to produce a sandwich construction in which the foam secures and reinforces both the shell and the liner.
    Type: Grant
    Filed: June 27, 1973
    Date of Patent: April 6, 1976
    Assignee: Franklin Manufacturing Company
    Inventor: Richard L. Puterbaugh