Patents by Inventor Danny Tsai

Danny 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).

  • Patent number: 11286098
    Abstract: A resealable cap having a valve-type plug incorporated therein, and a device for manipulating the valve-type plug into a closed, sealed, position to maintain a decreased pressure in a container.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: March 29, 2022
    Assignee: Lenntek Corporation
    Inventors: Danny Tsai, Jeffrey Tsai, Michael Tsai
  • Publication number: 20210171267
    Abstract: A resealable cap having a valve-type plug incorporated therein, and a device for manipulating the valve-type plug into a closed, sealed, position to maintain a decreased pressure in a container.
    Type: Application
    Filed: December 9, 2020
    Publication date: June 10, 2021
    Inventors: Danny Tsai, Jeffrey Tsai, Michael Tsai
  • Patent number: 5261590
    Abstract: Disclosed is a structure of soldering system with solder wire automatic feeding mechanism, which comprises a first cardan arm for holding a soldering iron and a second cardan arm for holding a solder wire feeding unit. The cardan arms are each comprised of three joints. A swivel knob is fastened in each cardan are to adjustably control the positioning of the soldering iron or the solder wire feeding unit. The solder wire feeding unit comprises a feeder head revolvably attached to a feeder holder so that the feeding angle of solder wire can be conveniently adjusted.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: November 16, 1993
    Inventor: Danny Tsai
  • Patent number: D932480
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: October 5, 2021
    Assignee: Lenntek Corporation
    Inventors: Jeffrey Tsai, Danny Tsai
  • Patent number: D932481
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: October 5, 2021
    Assignee: Lenntek Corporation
    Inventors: Jeffrey Tsai, Danny Tsai
  • Patent number: D987383
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 30, 2023
    Assignee: Mosa Solutions, Inc.
    Inventors: Danny Tsai, Jeffrey Tsai, Michael Tsai