Patents by Inventor Jia-Cheng Yeh

Jia-Cheng Yeh 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).

  • Environmentally friendly straw and manufacturing method thereof
    Patent number: 11850812
    Abstract: The invention teaches an environmentally friendly straw and its manufacturing method. The straw includes a tubular body having a through channel inside connecting two openings respectively at two ends of the tubular body, an outer layer surrounding the tubular body between the two openings formed by a leveling machine, an inner layer, as an inner wall of the tubular body, surrounding the channel formed by a honing machine. The straw is manufactured by leveling the tubular body, and honing the channel by a honing machine. As such, a smooth layer between the channel and the tubular body is achieved so that the straw is convenient to clean and use.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 26, 2023
    Inventor: Jia-Cheng Yeh
  • ENVIRONMENTALLY FRIENDLY STRAW AND MANUFACTURING METHOD THEREOF
    Publication number: 20210197508
    Abstract: The invention teaches an environmentally friendly straw and its manufacturing method. The straw includes a tubular body having a through channel inside connecting two openings respectively at two ends of the tubular body, an outer layer surrounding the tubular body between the two openings formed by a leveling machine, an inner layer, as an inner wall of the tubular body, surrounding the channel formed by a honing machine. The straw is manufactured by leveling the tubular body, and honing the channel by a honing machine. As such, a smooth layer between the channel and the tubular body is achieved so that the straw is convenient to clean and use.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 1, 2021
    Inventor: Jia-Cheng Yeh