Patents by Inventor Ligong Ling

Ligong Ling 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: 7127749
    Abstract: An infrared sensor flushing control method and the plumbing fixture flushing system. The realization of flushing with two different jets is achieved by using the infrared sensor and MCU to control the electromagnetic-controlled valves. The MCU preinstalled with three different solid waste flushing procedures and one liquid waste flushing procedure, providing the water-saving consumption according to the requirements of each individual and the automatic discrimination of the usage. The integrated design also accomplishes the purpose of convenient installation and space saving.
    Type: Grant
    Filed: July 9, 2004
    Date of Patent: October 31, 2006
    Inventor: Ligong Ling
  • Publication number: 20050028260
    Abstract: The present invention includes an infrared sensor flushing control method and the plumbing fixture flushing system. The realization of flushing with two different jets is achieved by using the infrared sensor and MCU to control the electromagnetic-controlled valves. The MCU preinstalled with three different solid waste flushing procedures and one liquid waste flushing procedure, providing the water-saving consumption according to the requirements of each individual and the automatic discrimination of the usage. The integrated design also accomplishes the purpose of convenient installation and space saving.
    Type: Application
    Filed: July 9, 2004
    Publication date: February 10, 2005
    Inventor: Ligong Ling