Patents by Inventor Sang Yong JANG

Sang Yong JANG 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).

  • Cleaning device having a hood with a sweeper and an air knife
    Patent number: 11129468
    Abstract: A cleaning device including a covering hood having a lower surface facing a surface to be cleaned and an inlet on an upper surface thereof, through which contaminants are sucked; an air knife provided on a circumference of the covering hood and having an outlet for spraying high pressure air to the surface to be cleaned; a sweeper installed inside the covering hood and rotated by a driving motor to guide foreign objects swept away from the surface to be cleaned and contaminants floated by the high pressure air injection of the air knife to the inlet; a rotary member including a shaft passing through a circumferential surface of the covering hood and the air knife, and a rotary knob coupled to one end of the shaft to rotate the air knife to adjust an air spray angle.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: September 28, 2021
    Assignee: EncoreNetworks Co., Ltd.
    Inventors: Hae Young Jung, Sang Yong Jang
  • Cleaning Device having a hood with a sweeper and an air knife
    Publication number: 20200237088
    Abstract: A cleaning device including a covering hood having a lower surface facing a surface to be cleaned and an inlet on an upper surface thereof, through which contaminants are sucked; an air knife provided on a circumference of the covering hood and having an outlet for spraying high pressure air to the surface to be cleaned; a sweeper installed inside the covering hood and rotated by a driving motor to guide foreign objects swept away from the surface to be cleaned and contaminants floated by the high pressure air injection of the air knife to the inlet; a rotary member including a shaft passing through a circumferential surface of the covering hood and the air knife, and a rotary knob coupled to one end of the shaft to rotate the air knife to adjust an air spray angle.
    Type: Application
    Filed: January 25, 2018
    Publication date: July 30, 2020
    Applicant: EncoreNetworks Co., Ltd.
    Inventors: Hae Young JUNG, Sang Yong JANG