Patents by Inventor William H. Rietz

William H. Rietz 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).

  • Method and apparatus for applying paste to battery grids
    Patent number: 4932443
    Abstract: A method and apparatus for applying paste to a battery grid. An endless conveyor belt pulls a grid through a pasting zone where paste is impressed into the grid. The grid is further passed through a fixed orifice, after being impressed with paste to impart a predetermined thickness to the grid. The orifice may be defined by two plates.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: June 12, 1990
    Assignee: Globe-Union Inc.
    Inventors: Neil C. Karolek, William H. Rietz