Patents by Inventor Yongshan Yang

Yongshan Yang 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: 9877609
    Abstract: A grill device includes a coupling mechanism having first and second ratchet teeth that cooperate to permit movement of an upper grill unit in a first direction for uncovering a lower grill unit, and to resist movement of the upper grill unit relative to the lower grill unit in a second direction opposite to the first direction.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: January 30, 2018
    Assignee: Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.
    Inventors: Yongshan Yang, Chunhua Li
  • Publication number: 20160015212
    Abstract: A grill device includes a coupling mechanism having first and second ratchet teeth that cooperate to permit movement of an upper grill unit in a first direction for uncovering a lower grill unit, and to resist movement of the upper grill unit relative to the lower grill unit in a second direction opposite to the first direction.
    Type: Application
    Filed: July 7, 2015
    Publication date: January 21, 2016
    Inventors: Yongshan Yang, Chunhua Li