Patents by Inventor Cangyang Cai

Cangyang Cai 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: 11524817
    Abstract: A novel sealed packaging container, comprising a container cover (1) and an open container body (2), wherein an edge of the container cover and a mouth edge of the container body are correspondingly provided with a first inner matching groove (11) and second outer matching groove (21), and a first outer matching groove (12) and second outer matching groove (22) having a double-folded structure; and the container is further provided with an anti-unfastening structure. An outer groove wall of the second outer matching groove extends downward from an upper end portion and is provided with two indentations (2231) that are easy to tear. The packaging container has strong anti-deformation abilities, the anti-unfastening structure is relatively stable, and the sealing performance is good.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: December 13, 2022
    Inventors: Dongyang Zhang, Xiaojie Cai, Cangyang Cai, Yuexin Zhuang
  • Publication number: 20210206540
    Abstract: A novel sealed packaging container, comprising a container cover (1) and an open container body (2), wherein an edge of the container cover and a mouth edge of the container body are correspondingly provided with a first inner matching groove (11) and second outer matching groove (21), and a first outer matching groove (12) and second outer matching groove (22) having a double-folded structure; and the container is further provided with an anti-unfastening structure. An outer groove wall of the second outer matching groove extends downward from an upper end portion and is provided with two indentations (2231) that are easy to tear. The packaging container has strong anti-deformation abilities, the anti-unfastening structure is relatively stable, and the sealing performance is good.
    Type: Application
    Filed: December 3, 2018
    Publication date: July 8, 2021
    Inventors: Dongyang ZHANG, Xaiaojie CAI, Cangyang CAI, Yuexin ZHUANG
  • Publication number: 20100320212
    Abstract: A super-thin injection multi-partition individually sealed food container includes a container body and a cover which can be covered on the container body and can be separated from it. The food container includes several containing parts and multi-ply sealed structures suitable to contain various foods. The containing parts includes a middle containing part suitable to contain soup type foods or catchup, and several periphery containing parts around the middle containing part The cover includes a middle cover part and several periphery cover part corresponding to the middle containing part and the periphery containing parts of the container body respectively. Each containing part is individually sealed to prevent the various foods in the container from penetrating and influencing with each other. The formation of the middle containing part can prevent the soup from overflowing when opening the cover and eating.
    Type: Application
    Filed: March 27, 2008
    Publication date: December 23, 2010
    Inventor: Cangyang Cai
  • Patent number: 7735674
    Abstract: A sealed food box includes a cover and a body. On the lower end face of the cover, there are grooves, which envelope the edges of the mouth. The inner walls of the grooves are fastened together with the inner side of the mouth by locking fasteners. A convex block on its outer wall inwardly presses the outer side of the mouth, firmly holding the cover and the body together. The inside of the body is divided into several partitions. The outside of the edges of the cover are provided with an opening lug and “Unused” mark. This product provides enhanced compression strength and sealing performance, prevents the outflow of food liquid and the influences of food with each other, and also avoids repeated use.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: June 15, 2010
    Inventor: Cangyang Cai
  • Publication number: 20060124654
    Abstract: A sealed food box includes a cover and a body. On the lower end face of the cover, there are grooves, which envelope the edges of the mouth. The inner walls of the grooves are fastened together with the inner side of the mouth by locking fasteners. A convex block on its outer wall inwardly presses the outer side of the mouth, firmly holding the cover and the body together. The inside of the body is divided into several partitions. The outside of the edges of the cover are provided with an opening lug and “Unused” mark. This product provides enhanced compression strength and sealing performance, prevents the outflow of food liquid and the influences of food with each other, and also avoids repeated use.
    Type: Application
    Filed: January 20, 2003
    Publication date: June 15, 2006
    Inventor: Cangyang Cai