Patents by Inventor Tiffany Du

Tiffany Du 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).

  • Patent number: 11219189
    Abstract: Provided is a Three-Piece Nesting Cat Litter Device constructed of an upper top cover section, a middle interior insert section and a lower bottom tray section with the middle interior insert section having a shelf ledge to support an inserted non-stick paper, and a swinging flapper door for entry. Air filter odor eliminator sections are located on the door, the walls or the top surface of the top section. A liner bag is placed in the lower bottom tray section. A sheet of non-stick paper is placed in the insert section with cat litter being placed upon the non-stick paper. For cleaning, the middle interior insert section is raised and the non-stick paper and used cat litter material drops by gravity into the plastic bag to be disposed of quickly and conveniently without creating dust and odors associated with changing used cat litter.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: January 11, 2022
    Inventor: Tiffany Du
  • Publication number: 20200323166
    Abstract: Provided is a Three-Piece Nesting Cat Litter Device constructed of an upper top cover section, a middle interior insert section and a lower bottom tray section with the middle interior insert section having a shelf ledge to support an inserted non-stick paper, and a swinging flapper door for entry. Air filter odor eliminator sections are located on the door, the walls or the top surface of the top section. A liner bag is placed in the lower bottom tray section. A sheet of non-stick paper is placed in the insert section with cat litter being placed upon the non-stick paper. For cleaning, the middle interior insert section is raised and the non-stick paper and used cat litter material drops by gravity into the plastic bag to be disposed of quickly and conveniently without creating dust and odors associated with changing used cat litter.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Inventor: Tiffany Du
  • Patent number: 8292837
    Abstract: The present application describes a combination exercise-massage unit consisting of a base platform with enclosed weight enclosure at one end and a pivoting bed assembly at the other. The bed assembly can easily be tipped having the effect of increasing the weight lifted, reducing the pressure of the rollers on the back or relieving tension by elevating the head. A continuous belt covers a plurality of massage rollers that have replaceable outer sleeves with a variety of different configurations and softness. There is a translating framework that has elevated head rest and two shoulder supports on either side. The person can hold the upright handles or the side support bars with the padded side members of the translating framework. The translating framework can be adjusted in length to accommodate the height of the person using the unit.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: October 23, 2012
    Inventor: Tiffany Du
  • Patent number: D661088
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: June 5, 2012
    Inventor: Tiffany Du
  • Patent number: D661101
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: June 5, 2012
    Inventor: Tiffany Du
  • Patent number: D661357
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: June 5, 2012
    Inventor: Tiffany Du
  • Patent number: D668456
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: October 9, 2012
    Inventor: Tiffany Du
  • Patent number: D670906
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: November 20, 2012
    Inventor: Tiffany Du
  • Patent number: D673773
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: January 8, 2013
    Inventor: Tiffany Du
  • Patent number: D677048
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: March 5, 2013
    Inventor: Tiffany Du
  • Patent number: D679090
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: April 2, 2013
    Inventor: Tiffany Du
  • Patent number: D680252
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: April 16, 2013
    Inventor: Tiffany Du
  • Patent number: D682548
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: May 21, 2013
    Inventor: Tiffany Du
  • Patent number: D694238
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 26, 2013
    Inventor: Tiffany Du
  • Patent number: D712508
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: September 2, 2014
    Inventor: Tiffany Du
  • Patent number: D712535
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: September 2, 2014
    Inventor: Tiffany Du
  • Patent number: D714491
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: September 30, 2014
    Inventor: Tiffany Du
  • Patent number: D749837
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: February 23, 2016
    Inventor: Tiffany Du
  • Patent number: D869651
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: December 10, 2019
    Inventor: Tiffany Du
  • Patent number: D1010938
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: January 9, 2024
    Inventor: Tiffany Du