Patents by Inventor Eun-Kyoung Hong

Eun-Kyoung Hong 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).

  • User adjustable wheelchair backrest mounting hardware
    Patent number: 8376463
    Abstract: Angle adjustable backrest made of a lightweight, durable, adjustable, backrest for ultralight manual wheelchairs. Light-weight material can include composites for a rigid backrest for promotion of healthier and functional interface. Angle adjustment can be any desired range such as a range from ?5 degree to 55 degrees (i.e. 85 degrees to 145 degree with respect to horizontal with the seat). No tools are necessary for any of the angle adjustments. The backrest has a horizontal adjustment (fore-aft) that can be any desired range such as 1 inch. The height selection depends on the length of the wheelchair frame tubes. The present invention improves the ease and simplicity of adjusting the backrest by or for the user, as well as enhances the aesthetic appearance and adds features necessary for achieving commercial readiness. The present invention can be retro fit onto a wide range for ultralight wheelchairs.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: February 19, 2013
    Assignee: University of Pittsburgh—of the Commonwealth System of Higher Education
    Inventors: Rory Alan Cooper, Jonathan Lee Pearlman, Todd Hargroder, Eun-Kyoung Hong, Hsin-Yi Llu, Hongwu Wang, Benjamin Arthur Salatin
  • ANGLE ADJUSTABLE BACKREST MOUNTING
    Publication number: 20100276975
    Abstract: Angle adjustable backrest made of a lightweight, durable, adjustable, backrest for ultralight manual wheelchairs. Light-weight material can include composites for a rigid backrest for promotion of healthier and functional interface. Angle adjustment can be any desired range such as a range from ?5 degree to 55 degrees (i.e. 85 degrees to 145 degree with respect to horizontal with the seat). No tools are necessary for any of the angle adjustments. The backrest has a horizontal adjustment (fore-aft) that can be any desired range such as 1 inch. The height selection depends on the length of the wheelchair frame tubes. The present invention improves the ease and simplicity of adjusting the backrest by or for the user, as well as enhances the aesthetic appearance and adds features necessary for achieving commercial readiness. The present invention can be retro fit onto a wide range for ultralight wheelchairs.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 4, 2010
    Inventors: Rory Alan Cooper, Jonathan Lee Pearlman, Todd Hargroder, Eun-Kyoung Hong, Hsin-Yi Liu, Hongwu Wang, Benjamin Arthur Salatin