Patents by Inventor Feifei Sheng

Feifei Sheng 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).

  • Abrasive product with a concave-convex structure and preparation method thereof
    Patent number: 10272538
    Abstract: An abrasive product with a concave-convex structure includes laminated three planar layers and an abrasive layer with a concave-convex structures located on an upper surface of the three planar layers. The abrasive layer with a concave-convex structure is an array of abrasive blocks, and a groove serving as chips discharging groove is formed between each two adjacent abrasive blocks. The abrasive block includes a binder and abrasive grains distributed in the binder.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: April 30, 2019
    Assignee: Beijing Grish Hitech Co., Ltd.
    Inventors: Bingli Guo, Feifei Sheng
  • ABRASIVE PRODUCT WITH A CONCAVE-CONVEX STRUCTURE AND PREPARATION METHOD THEREOF
    Publication number: 20150239090
    Abstract: An abrasive product with a concave-convex structure includes laminated three planar layers and an abrasive layer with a concave-convex structures located on an upper surface of the three planar layers. The abrasive layer with a concave-convex structure is an array of abrasive blocks, and a groove serving as chips discharging groove is formed between each two adjacent abrasive blocks. The abrasive block includes a binder and abrasive grains distributed in the binder.
    Type: Application
    Filed: August 8, 2013
    Publication date: August 27, 2015
    Applicant: BEIJING GRISH HITECH CO., LTD.
    Inventors: Bingli Guo, Feifei Sheng