Patents by Inventor Demin Jia

Demin Jia 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).

  • Intake Valve Device Capable of Implementing Two-Stage Switching of Gas Distribution Phase and Diesel Engine
    Publication number: 20210262367
    Abstract: An intake valve device capable of implementing two-stage switching of a gas distribution phase and a diesel engine.
    Type: Application
    Filed: September 4, 2018
    Publication date: August 26, 2021
    Inventors: Demin JIA, Weitao DONG, Zhijie LI, Xiaoyan WANG, Dong LI
  • ARTIFICIAL TURF AND A METHOD OF MANUFACTURING THE SAME
    Publication number: 20110045211
    Abstract: An artificial turf is formed of grass fibers, a grass bottom and a rear glue. The grass fibers and the grass bottom are both made from polyethylene, polypropylene and/or polyamide, and the rear glue is mainly made from ethylene-vinyl acetate copolymer emulsion with filler and antioxidant, etc. The artificial turf is manufactured by making the rear-adhesive components into glue paste and coating it on the rear of the grass bottom fixed with grass fibers.
    Type: Application
    Filed: October 30, 2007
    Publication date: February 24, 2011
    Inventors: Bi Zhang, Yukun Chen, Demin Jia