Patents by Inventor Ta-Tsung Dan

Ta-Tsung Dan 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: 11582541
    Abstract: An elevating speaker device for use in bathtub includes: a main body having an accommodation space formed therein and having at least one water hole and a penetrating hole; and an elevating speaker member, having a lower portion thereof disposed with an inner fastening member having a base and an inner sliding member, the inner fastening member respectively has a damping teeth and a spring, the inner sliding member has a long teeth connected to the damping teeth; the elevating speaker member has an inclined plate downwardly inclined from one end towards another end, and has two ends respectively downwardly extended with a water discharging channel and a fastening channel, at least one plastic sleeve is disposed in the fastening channel and sleeved with a tubular member allowing a power wire and a signal wire to be enclosed.
    Type: Grant
    Filed: December 12, 2021
    Date of Patent: February 14, 2023
    Assignee: TROLLING ENTERPRISES CO. LTD.
    Inventors: Huei-Ching Chou Lu, Tzeng-Tian Huang, Ta-Tsung Dan
  • Patent number: D1030704
    Type: Grant
    Filed: December 11, 2021
    Date of Patent: June 11, 2024
    Assignee: TROLLING ENTERPRISES CO., LTD.
    Inventors: Huei-Ching Chou Lu, Tzeng-Tian Huang, Ta-Tsung Dan