Patents by Inventor Yee-Yun Tang

Yee-Yun Tang 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).

  • Patent number: 4452017
    Abstract: An air inflated bubble roof, such as for a stadium, arena or the like, includes a compression ring extending around the perimeter of the roof. An upper and a lower cable net each spans and is attached to the compression ring. An inflatable membrane member is located between the two cable nets and bows the cable nets apart when it is inflated. A bladder is located within the inflatable membrane member and, in combination with the upper and lower parts of the membrane member, forms a seal around its perimeter.
    Type: Grant
    Filed: May 13, 1981
    Date of Patent: June 5, 1984
    Assignee: Dyckerhoff & Widmann Aktiengesellschaft
    Inventors: Man-Chung Tang, Yee-Yun Tang