Patents by Inventor Rongpeng Zheng

Rongpeng Zheng 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).

  • Publication number: 20100009253
    Abstract: A battery case is provided, comprising a cylindrical body (1), a top cover plate (3) and a bottom cover plate (4). The cylindrical body (1) comprises a top which is open and covered with the top cover plate (3) fixed thereto, and the cylindrical body (1) further comprises a bottom configured to be a supporting surface (8) having an opening (2). The opening (2) of the supporting surface (8) is configured to be covered with the bottom cover plate (4). Further, the opening (2) is configured to be a stepped opening or a conical opening. Still further, a first groove (12) is arranged on an exterior surface of the bottom surrounding the opening (2), and a second groove (13) is arranged on an exterior surface of the bottom cover plate next to the opening (2) of the bottom. A battery made of the battery case is also provided.
    Type: Application
    Filed: September 29, 2006
    Publication date: January 14, 2010
    Applicant: SHENZHEN BAK BATTERY CO., LTD.
    Inventors: Huanyu Mao, Jiajun Huang, Rongpeng Zheng, Kang Wu, Jianwen Zhang