Patents by Inventor Zygmunt Grant Kafarowski

Zygmunt Grant Kafarowski 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: 5890340
    Abstract: Concrete inserts are disclosed which are preferably embedded in the rear surface of a concrete wall panel and used to mount and support the wall panel from a building frame. The insert preferably comprises a U-shaped metal housing defining a longitudinally extending channel, the housing comprising two side members in spaced, facing relation to one another and a bight portion between the side members, the bight portion having a longitudinally extending slot therethrough. The insert is adapted to be embedded in the rear surface of the wall panel with the bight portion flush with the rear surface and the side members embedded in the concrete of the panel. The side members are preferably of a trapezoidal shape which provides the insert with high resistance to withdrawal from the concrete.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: April 6, 1999
    Inventor: Zygmunt Grant Kafarowski
  • Patent number: 5644891
    Abstract: An improved method of manufacturing an integral brick wall panel and particularly a novel vibrating mortar plow for use in such method to assist filling the mortar spaces between bricks and holes in the bricks with mortar. The vibrating mortar plow of the invention has a bottom mortar engaging face having a plurality of spaced, parallel fins which are adapted to be received in the mortar spaces between adjacent rows of bricks. The integral brick wall panel is provided with a plurality of cantilevering connectors by which the brick wall panel can be directly connected to a building structure or by which it can be connected to a backing layer to form a composite wall panel.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: July 8, 1997
    Inventor: Zygmunt Grant Kafarowski