Patents by Inventor Jiune-Piin Yang

Jiune-Piin Yang 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: 5372591
    Abstract: An improved solution dispensing device for intravenous drip comprises a container of tubular construction and having at the top thereof a connecting needle piercing through the mouth of a solution bottle. The container is connected at the bottom thereof with one end of a solution transporting tube having another end that is connected with a hypodermic needle. A stopping element is disposed in the container such that the stopping element can be caused to rise or descend in accordance with the solution level. The solution transporting tube has an extension segment that is disposed in the container. The stopping element is provided with a recessed portion corresponding in location to the extension segment. As the stopping element is caused to descend so that the extension segment is enclosed by the recessed portion, a compartment is formed between the outer wall of the extension segment and the inner wall of the recessed portion.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: December 13, 1994
    Inventors: Hwang-Roan Jeng, Jiune-Piin Yang