Patents by Inventor Yuan Guang Zheng

Yuan Guang Zheng 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: 8984676
    Abstract: An odor eliminating toilet with an air passage and enclosed ventilating fan is disclosed. Odors are removed from the toilet bowl during use by an air passage connecting the toilet bowl with the sewer outflow. The air passage contains a ventilating fan for removing said odors.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: March 24, 2015
    Inventor: Yuan Guang Zheng
  • Publication number: 20140338111
    Abstract: A ventilation system for a toilet that provides a clean, convenient and safe means for eliminating unpleasant odors by use of a fan is herein disclosed. This system can be added to an existing toilet or used in newbuilt as so desired. Odors are eliminated directly to the sewer outflow.
    Type: Application
    Filed: August 2, 2013
    Publication date: November 20, 2014
    Inventor: Yuan Guang Zheng
  • Publication number: 20140338114
    Abstract: An odor eliminating toilet with an air passage and enclosed ventilating fan is disclosed. Odors are removed from the toilet bowl during use by an air passage connecting the toilet bowl with the sewer outflow. The air passage contains a ventilating fan for removing said odors.
    Type: Application
    Filed: August 2, 2013
    Publication date: November 20, 2014
    Inventor: Yuan Guang Zheng