Patents by Inventor Charles Walter Haag

Charles Walter Haag 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: 4026004
    Abstract: A method of forming an insulated cabinet wall structure wherein a body of insulation is foamed in situ against an outer face of a liner sheet strip to define a laminate. A plurality of holes are formed in the laminate extending through the liner and into the insulation, and a plurality of supports are installed on the laminate by insertion of a mounting portion thereof in the mounting holes. The laminate with the supports secured thereto is subsequently formed into a preselected cabinet configuration to define a chamber with the supports projecting inwardly from the liner into the chamber. This structure may then be inserted into a formed outer cabinet.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: May 31, 1977
    Assignee: Whirlpool Corporation
    Inventors: Robert Edward Fields, Charles Walter Haag, Robert Edward Lindenschmidt
  • Patent number: 4006947
    Abstract: A liner and insulation structure for a refrigeration apparatus is particularly adapted for use where the bottom wall of the refrigeration apparatus cabinet defines an irregular, nonflat surface. A separate bottom liner and insulating member is formed so as to overlie the irregular cabinet bottom wall and includes an upstanding wall portion about at least a portion of its periphery. The remainder of the liner and insulation structure for the refrigeration apparatus is formed by variously cutting and folding a laminate which includes an inner sheet liner portion and an outer insulation portion so as to define an upright wall having a lower edge portion which rests on the upstanding wall portion of the bottom liner and insulating member.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: February 8, 1977
    Assignee: Whirlpool Corporation
    Inventors: Charles Walter Haag, Samuel Joseph Pearson