Patents by Inventor Longwei Zhang

Longwei Zhang 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).

  • Light bulb apparatus with graphite cap
    Patent number: 10309586
    Abstract: A light bulb apparatus has a LED plate, a cap, a driver circuit and a graphite cup. The graphite cup has a platform part, a container part and a cap part. The platform part is attached to the LED plate. The container part is used for storing the driver circuit and the cap part is used for connecting to the cap so as to install the light bulb apparatus in a standard Edison socket. The graphite cup is molded with a mixed material. The mixed material includes graphite material and is non-conductive.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: June 4, 2019
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventors: Longwei Zhang, Liangliang Cao, Mingyan Fu, Xianghua Lin, Lilei Su
  • Scented fan fragrance delivery system
    Patent number: 9968701
    Abstract: This application generally relates to systems, devices, and methods for delivering a fragrance. In some embodiments, portable fragrance delivery systems are provided. In further embodiments, improved fragrance delivery systems are provided that provide increased dispersion of scented agents by utilizing a fan formed from a fragrant material.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: May 15, 2018
    Assignee: CAFFCO INTERNATIONAL LTD.
    Inventors: James Lamar Thompson, Jr., Longwei Zhang
  • SCENTED FAN FRAGRANCE DELIVERY SYSTEM
    Publication number: 20170028090
    Abstract: This application generally relates to systems, devices, and methods for delivering a fragrance. In some embodiments, portable fragrance delivery systems are provided. In further embodiments, improved fragrance delivery systems are provided that provide increased dispersion of scented agents by utilizing a fan formed from a fragrant material.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 2, 2017
    Applicant: Caffco International Ltd.
    Inventors: James Lamar Thompson, JR., Longwei Zhang