Patents by Inventor Dayuan Jin

Dayuan Jin 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).

  • Method for producing soft dog chews
    Publication number: 20030198731
    Abstract: The present invention relates to a method for producing a kind of food for animal, particularly, a method for producing a chew for a pet dog with edible soft hide. A method for producing dog chew including: a step for washing impurity contents away from the fresh second-layer hide; a step for washing the fresh second-layer hide with ammonium sulfate solution; a step for washing the fresh second layer hide until value of Ph reaches 7.0; a step for washing the fresh second-layer hide in hydrogen peroxide solution for disinfecting and bleaching; a step for squeezing out water; a step for soaking the second-layer hide in the fluid mixture of edible glycerin, sorbitol and water; a step for drying the fresh second-layer hide in the air and forming into predetermined shapes; a step for drying the formed the dog chew in the air; and a step for disinfecting and packing.
    Type: Application
    Filed: August 19, 2002
    Publication date: October 23, 2003
    Inventors: Shiping Zhang, Dayuan Jin
  • Candy cane-shaped chew
    Patent number: D488283
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: April 13, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • 4 knots pet chew
    Patent number: D496521
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: September 28, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • Bow tie piggy rope chew
    Patent number: D496771
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: October 5, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • Staff weave chew
    Patent number: D496772
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: October 5, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • Circlet with solid link chew
    Patent number: D497237
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: October 19, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • 2 Knots chew
    Patent number: D497240
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: October 19, 2004
    Assignee: Petra Pet, Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin
  • Braided circlet chew
    Patent number: D497701
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: November 2, 2004
    Assignee: Petra Pet Inc.
    Inventors: Jacob Tepper, Steven Mendal, Dean Triandafellos, Shiping Zhang, Dayuan Jin