Patents by Inventor Qiyu Guo

Qiyu Guo 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).

  • Electromagnetic relay
    Patent number: 11075044
    Abstract: An electromagnetic relay includes a movable contact piece, a yoke, and a coil, the coil being provided with an iron core, wherein the yoke is L-shaped, and has a horizontal edge and a vertical edge; the yoke is disposed outside the coil, and the horizontal edge of the yoke is fixedly connected to the bottom of the iron core, and the vertical edge of the yoke is parallel to an axis of the iron core, wherein one side of the vertical edge of the yoke facing to the coil is provided with a plastic layer formed by means of injection molding, the plastic layer is provided between the yoke and the coil in an insulating manner.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: July 27, 2021
    Assignee: XIAMEN HONGFA SIGNAL ELECTRONICS CO., LTD.
    Inventors: Jiabin Lin, Qiyue Guo, Zhikun Wang
  • ELECTROMAGNETIC RELAY
    Publication number: 20190180964
    Abstract: An electromagnetic relay includes a movable contact piece, a yoke, and a coil, the coil being provided with an iron core, wherein the yoke is L-shaped, and has a horizontal edge and a vertical edge; the yoke is disposed outside the coil, and the horizontal edge of the yoke is fixedly connected to the bottom of the iron core, and the vertical edge of the yoke is parallel to an axis of the iron core, wherein one side of the vertical edge of the yoke facing to the coil is provided with a plastic layer formed by means of injection molding, the plastic layer is provided between the yoke and the coil in an insulating manner.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 13, 2019
    Inventors: Jiabin LIN, Qiyue GUO, Zhikun WANG
  • Fagopyrum cymosum (Trev.) meisn composition, method to prepare and analyze the same and uses thereof
    Publication number: 20040247701
    Abstract: This invention provides different compositions extracted from Fagopyrum cymosum (Trev.) Meisn. Said compositions comprise active components for therapeutic applications. This invention also provides a method of preparation of the compositions and a method of identification and determination of individual components of said compositions. Finally, this invention provides various uses of the compositions.
    Type: Application
    Filed: August 9, 2004
    Publication date: December 9, 2004
    Inventors: Pei Han, Qiyu Guo, Bo Chen, Hongwu Zhu
  • Fagopyrum cymosum (Trev.) meisn composition, method to prepare and analyze the same and uses thereof
    Publication number: 20010018076
    Abstract: This invention provides different compositions extracted from Fagopyrum cymosum (Trev.) Meisn. Said compositions comprise active components for therapeutic applications. This invention also provides a method of preparation of the compositions and a method of identification and determination of individual components of said compositions. Finally, this invention provides various uses of the compositions.
    Type: Application
    Filed: February 16, 2001
    Publication date: August 30, 2001
    Inventors: Pei Han, Qiyu Guo, Bo Chen, Hongwu Zhu