Patents Assigned to Kathleen Hoffman
  • Method for coating elongated workpieces
    Patent number: 5055317
    Abstract: Disclosed is a method for testing, adjusting and maintaining the viscosity of paint used in a vacuum applicator painting apparatus. By maintaining the paint viscosity within an optimum range, a layer of paint is applied to all surfaces and edges of workpieces to be painted is in a most economical, efficient and complete manner. Also disclosed is an improved painting apparatus of the vacuum applicator type for uniformly and efficiently painting large numbers of workpieces such as plywood boards.
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: October 8, 1991
    Assignees: Kathleen Hoffman, Harry O. Hoffman
    Inventors: Harry O. Hoffman, James E. Kalbes, Mark A. Johnston