Patents by Inventor Tah H. Tan

Tah H. Tan 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: 5578327
    Abstract: A plastering machine is formed to apply and compact cement-sand mortar plaster onto a vertical wall surface. A container (30) for holding and applying mortar is attached to a frame assembly moveable along both a vertical axis and horizontal axis. The container is supported by a frame-assembly (16) which includes vertical moveable frame members (18, 20) energized by hydraulic means, mounted onto a base frame (2). The base-frame (2) is fitted with swivel caster wheels (4) and angled roller wheels (6). A vibration rod (44) is provided within the container (38). A cutter and smoothening device (42) is provided to smoothen the plaster applied to the wall surface.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: November 26, 1996
    Inventor: Tah H. Tan