Patents by Inventor Pi Yi Chen

Pi Yi Chen 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).

  • Plant fiber straw structure
    Patent number: 10893766
    Abstract: An environmentally-friendly fiber straw structure includes a straw body made of an environmentally-friendly fiber material. The straw body has an inlet and an outlet at two ends thereof and a circular section having a circular cross-section between the inlet and the outlet. From the circular section to the outlet forms a first tapered section at a first inclination so that the outlet has an approximately elliptical shape. When in use, the mouth of a user sucks the outlet of the straw body for drinking a beverage, the first tapered section corresponds in shape to the mouth, thereby avoiding rotation of the straw body, reducing a gap between the mouth and the straw body.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: January 19, 2021
    Assignee: Taiwan Plants Fiber Tech Alliance Co., LTD.
    Inventors: Chih Chin Lai, Pi Yi Chen
  • Environmentally-friendly fiber straw structure
    Publication number: 20190246823
    Abstract: An environmentally-friendly fiber straw structure includes a straw body made of an environmentally-friendly fiber material. The straw body has an inlet and an outlet at two ends thereof and a circular section having a circular cross-section between the inlet and the outlet. From the circular section to the outlet forms a first tapered section at a first inclination so that the outlet has an approximately elliptical shape. When in use, the mouth of a user sucks the outlet of the straw body for drinking a beverage, the first tapered section corresponds in shape to the mouth, thereby avoiding rotation of the straw body, reducing a gap between the mouth and the straw body.
    Type: Application
    Filed: April 26, 2019
    Publication date: August 15, 2019
    Inventors: Chih Chin Lai, Pi Yi Chen