Patents by Inventor Heng-Wei Yeh

Heng-Wei Yeh 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).

  • Automatic direction-correcting apparatus for a cane
    Patent number: 9681714
    Abstract: A cane includes a tube and a direction-correcting apparatus including a sleeve, a gasket, a pad unit and a connector unit. The sleeve receives the tube and includes an annular shoulder on an internal face. The gasket is inserted in the sleeve. The pad unit includes a dome in contact with the gasket, an aperture in the dome, and a flat face around the aperture. The connector unit includes a threaded bolt, a nut engaged with the threaded bolt and connected to the tube, and a spring compressed between the nut and the annular shoulder. The threaded bolt includes a head at an end of the shank. The shank is inserted in the sleeve via the aperture of the pad unit. The head includes a flat upper face for contact with the flat face of the dome when the head is inserted in the dome.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: June 20, 2017
    Assignee: Superior Mechanical Solutions Corp.
    Inventor: Heng-Wei Yeh