Patents by Inventor Zhu Zhao Chong

Zhu Zhao Chong 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).

  • Porkhide dog chews
    Patent number: 8337935
    Abstract: The present invention provides a method of processing porkhide dog chews. The method includes the step of first subjecting pigskin rawhide to defatting and depilation treatment. Then the rawhide is split to obtain a first, a second, a third and a fourth layer of rawhide material. The rawhide material undergoes defatting, rinsing, and sun-drying to produce a finished hide product. The hide product is smoked to achieve objectives of dying and flavoring to result in a finished porkhide dog chew product.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: December 25, 2012
    Assignee: Prestige Pet Products, Inc.
    Inventor: Zhu Zhao Chong
  • PORKHIDE DOG CHEWS
    Publication number: 20110003044
    Abstract: The present invention provides a method of processing porkhide dog chews. The method includes the step of first subjecting pigskin rawhide to defatting and depilation treatment. Then the rawhide is split to obtain a first, a second, a third and a fourth layer of rawhide material. The rawhide material undergoes defatting, rinsing, and sun-drying to produce a finished hide product. The hide product is smoked to achieve objectives of dying and flavoring to result in a finished porkhide dog chew product.
    Type: Application
    Filed: September 3, 2010
    Publication date: January 6, 2011
    Applicant: PRESTIGE PET PRODUCTS, INC.
    Inventor: Zhu Zhao Chong
  • Method of processing porkhide dog chews
    Patent number: 7790212
    Abstract: The present invention provides a method of processing porkhide dog chews. The method includes the step of first subjecting pigskin rawhide to defatting and depilation treatment. Then the rawhide is split to obtain a first, a second, a third and a fourth layer of rawhide material. The rawhide material undergoes defatting, rinsing, and sun-drying to produce a finished hide product. The hide product is smoked to achieve objectives of dying and flavoring to result in a finished porkhide dog chew product.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: September 7, 2010
    Assignee: Hacht Sales & Marketing
    Inventor: Zhu Zhao Chong
  • Method of processing porkhide dog chews
    Publication number: 20020142079
    Abstract: The present invention provides a method of processing porkhide dog chews. The method includes the step of first subjecting pigskin rawhide to defatting and depilation treatment. Then the rawhide is split to obtain a first, a second, a third and a fourth layer of rawhide material. The rawhide material undergoes defatting, rinsing, and sun-drying to produce a finished hide product. The hide product is smoked to achieve objectives of dying and flavoring to result in a finished porkhide dog chew product.
    Type: Application
    Filed: March 26, 2002
    Publication date: October 3, 2002
    Applicant: Hacht Sales & Marketing
    Inventor: Zhu Zhao Chong