Patents Assigned to Total Service Co., Inc.
  • Patent number: 5651830
    Abstract: The method for cleaning the surface of an external wall of a building, includes forming and maintaining a layer of foam of a cleaning agent on the surface of an external wall of a building to detach soil deposited on the surface of the external wall by the cleaning action of the cleaning agent, and subsequently removing the cleaning agent foam from the surface of the external wall by, for example, washing with water. In the method, the scattering of the cleaning agent around the building can be prevented by removing the cleaning agent containing soil as it is, in the state of the foam.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: July 29, 1997
    Assignee: Total Service Co., Inc.
    Inventor: Kyouichi Yamaguchi
  • Patent number: 5505787
    Abstract: A method for cleaning a surface of an external wall of a building includes applying a cleaning fluid containing a strippable film forming agent to the surface of an external wall of a building, drying the applied cleaning fluid to form a strippable film, and stripping the strippable film from the surface of the external wall. Thus, the cleaning fluid which contains soil is removed with the strippable film, so that the scattering of the cleaning fluid around the building can be prevented.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: April 9, 1996
    Assignee: Total Service Co., Inc.
    Inventor: Kyouichi Yamaguchi