Patents by Inventor Jae-Yop Won

Jae-Yop Won 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).

  • Foot-operated toilet seat lifting and lowering mechanism
    Patent number: 4975988
    Abstract: It is desirable to be able to lift, lower and lock a toilet seat assembly in position without any hands-on interaction with the toilet seat assembly. In order to accomplish this objective the invention incorporates a selection of devices having additional mechanical advantage when pivoting the seat assembly. In one preferred embodiment of the invention, a cable-operated foot lever is used in combination with a crank portion on the hinge of the toilet seat. In another preferred embodiment of the invention, a system of planetary gears is used in the lever and/or the hinge assembly.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: December 11, 1990
    Assignee: Jae-Yop Won
    Inventor: Jae-Yop Won