Patents by Inventor Jiri G. Kazda

Jiri G. Kazda 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).

  • Orthopedic crutch making it possible to place only a controlled and adjustable part of the body weight on the injured lower limb during walking
    Patent number: 4750507
    Abstract: The crutch comprises adjustable elements (1, 7, 10, 12) applied to each of the two crutches and operated, during walking, by the corresponding hand. The adjustable elements applied to each crutch comprise a lever (1) pressed by hand (14) and fulcrumed (2) on a support (3) fastened along sleeve (4) of the crutch; a rod (5) controlling piston (6) of hydraulic damper (7), whose fluid (8) is made to pass through an opening of adjustable size to vary the pressure, being connected to the rod.
    Type: Grant
    Filed: March 31, 1987
    Date of Patent: June 14, 1988
    Inventor: Jiri G. Kazda