Patents by Inventor Hecheng Zhou

Hecheng Zhou 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: 11161137
    Abstract: A sprinkler includes a body having an upper portion removably attached to a lower portion. The upper portion includes a nozzle strip and lower nozzle plate. The lower portion includes a hollow body, a locking plate, and a controller connected to the locking plate. The locking plate is configured to move in a lengthwise direction. The locking plate includes a locking plate tab and a locking plate groove. The lower nozzle plate includes a nozzle plate tab. The hollow body comprises a vertical channel configured to accommodate the locking plate tab in a first position. The nozzle plate tab is arranged beneath the locking plate tab in the first position. The locking plate tab is arranged outside the vertical channel in a second position. The controller is configured to move the locking plate to the first position and to the second position to facilitate removal of the upper portion.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: November 2, 2021
    Inventors: Ha V. Duong, Hecheng Zhou, Chunfu Zhou, Robert William Lauer
  • Publication number: 20200094284
    Abstract: A sprinkler includes a body having an upper portion removably attached to a lower portion. The upper portion includes a nozzle strip and lower nozzle plate. The lower portion includes a hollow body, a locking plate, and a controller connected to the locking plate. The locking plate is configured to move in a lengthwise direction. The locking plate includes a locking plate tab and a locking plate groove. The lower nozzle plate includes a nozzle plate tab. The hollow body comprises a vertical channel configured to accommodate the locking plate tab in a first position. The nozzle plate tab is arranged beneath the locking plate tab in the first position. The locking plate tab is arranged outside the vertical channel in a second position. The controller is configured to move the locking plate to the first position and to the second position to facilitate removal of the upper portion.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 26, 2020
    Inventors: Ha V. Duong, Hecheng Zhou, Chunfu Zhou, Robert William Lauer
  • Publication number: 20200094283
    Abstract: A sprinkler includes a nozzle assembly attached to an upper portion a the sprinkler. The nozzle assembly includes a nozzle strip having nozzles and an angle plate in contact with the nozzle strip. The angle plate includes angle plate grooves and teeth. The nozzles extend through the angle plate grooves. The upper portion includes nozzle openings that correspond to the angle plate grooves. The nozzles extend through the nozzle openings. The angle plate grooves overlap with the nozzle openings to form an adjustable intersection opening. The sprinkler includes a controller having a knob extending outside the sprinkler and teeth positioned inside the sprinkler. The teeth mesh with the teeth of the angle plate. The controller drives the angle plate and an axis of at least one of the plurality of nozzles extending outside the sprinkler varies based on a position of the angle plate.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 26, 2020
    Inventors: Ha V. Duong, Hecheng Zhou, Chunfu Zhou, Robert William Lauer