Patents by Inventor Myke J. Woodwell

Myke J. Woodwell 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).

  • Two-speed manual wheelchair
    Patent number: 6047980
    Abstract: A manual two-speed wheelchair having a chair, frame, fixed wheel axles, and wheel assemblies. The wheelchair is capable of driving in a direct (1:1) power mode and a lower gear mode without shifting. A separate secondary input assembly provides for reduced gearing, one secondary input rim assembly per wheel assembly. The secondary input assembly includes a toothed driver gear, a toothed driven gear, and toothed belt. The driver gear and driven gear are offset from each other. This is accomplished by an offset arm. The secondary input assembly drives the driver gear, which, in turn, drives the belt, which, in turn, drives the driver gear, which is fixedly attached to the wheelchair wheel assembly.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: April 11, 2000
    Assignee: University of Washington
    Inventors: Anthony Margherita, Amand Cousins, Rebecca A. Aleshire, Khaled Al-A wadhi, Myke J. Woodwell, Jean Livesay