Patents by Inventor Bi-Hau Tsai

Bi-Hau Tsai 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).

  • Size adjustable trash bag holder
    Patent number: 6676092
    Abstract: A trash bag holder includes a base and a plurality of posts are pivotally connected to the base. A flexible ring is connected to respective second ends of the posts. The posts each includes an outer tube and a rod which is received in the outer tube. A trash bag is received in the space enclosed by the posts and the open top of the trash bag is folded outward onto the ring.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: January 13, 2004
    Inventor: Bi-Hau Tsai
  • Size adjustable trash bag holder
    Publication number: 20030178536
    Abstract: A trash bag holder includes a base and a plurality of posts are pivotally connected to the base. A flexible ring is connected to respective second ends of the posts. The posts each includes an outer tube and a rod which is received in the outer tube. A trash bag is received in the space enclosed by the posts and the open top of the trash bag is folded outward onto the ring.
    Type: Application
    Filed: March 25, 2002
    Publication date: September 25, 2003
    Inventor: Bi-Hau Tsai