Patents by Inventor Yu Wei Hung

Yu Wei Hung 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).

  • Wheelchair, wheelchair apparatus and wheelchair care service network system
    Patent number: 8459677
    Abstract: A wheelchair includes a seat, one or more wheels and a seat weight sensing mechanism. The wheel includes a brake for stopping the wheel. The seat weight sensing mechanism is placed below the seat and is connected to the brake. When the seat is loaded by a weight more than a predetermined value, the seat weight sensing mechanism releases the brake to free the wheel. When the seat is not loaded by a weight more than a predetermined value, the brake stops the wheel.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: June 11, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Jeng Han Li, Yu Hsien Chiu, Yu Wei Hung
  • WHEELCHAIR, WHEELCHAIR APPARATUS AND WHEELCHAIR CARE SERVICE NETWORK SYSTEM
    Publication number: 20120203139
    Abstract: A wheelchair includes a seat, one or more wheels and a seat weight sensing mechanism. The wheel includes a brake for stopping the wheel. The seat weight sensing mechanism is placed below the seat and is connected to the brake. When the seat is loaded by a weight more than a predetermined value, the seat weight sensing mechanism releases the brake to free the wheel. When the seat is not loaded by a weight more than a predetermined value, the brake stops the wheel.
    Type: Application
    Filed: April 23, 2012
    Publication date: August 9, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: JENG HAN LI, YU HSIEN CHIU, YU WEI HUNG
  • Wheelchair, wheelchair apparatus and wheelchair care service network system
    Patent number: 8186700
    Abstract: A wheelchair includes a seat, one or more wheels and a seat weight sensing mechanism. The wheel includes a brake for stopping the wheel. The seat weight sensing mechanism is placed below the seat and is connected to the brake. When the seat is loaded by a weight more than a predetermined value, the seat weight sensing mechanism releases the brake to free the wheel. When the seat is not loaded by a weight more than a predetermined value, the brake stops the wheel.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: May 29, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Jeng Han Li, Yu Hsien Chiu, Yu Wei Hung
  • WHEELCHAIR, WHEELCHAIR APPARATUS AND WHEELCHAIR CARE SERVICE NETWORK SYSTEM
    Publication number: 20100066056
    Abstract: A wheelchair includes a seat, one or more wheels and a seat weight sensing mechanism. The wheel includes a brake for stopping the wheel. The seat weight sensing mechanism is placed below the seat and is connected to the brake. When the seat is loaded by a weight more than a predetermined value, the seat weight sensing mechanism releases the brake to free the wheel. When the seat is not loaded by a weight more than a predetermined value, the brake stops the wheel.
    Type: Application
    Filed: March 6, 2009
    Publication date: March 18, 2010
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: JENG HAN LI, YU HSIEN CHIU, YU WEI HUNG