Patents by Inventor Ligui He

Ligui He 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).

  • Publication number: 20230330290
    Abstract: A disinfection application, particularly, to a device capable of disinfecting a ventilator as well as a face mask and a hose, and more particularly, to an ozone disinfection device, an ozone disinfection system, and an ozone disinfection method. The ozone disinfection device includes: a sealed disinfection space, a gas distribution unit, an ozone generation unit, a suction pump, a filter, and a control module.
    Type: Application
    Filed: June 29, 2023
    Publication date: October 19, 2023
    Inventor: Ligui HE
  • Publication number: 20230293803
    Abstract: A suction device includes a negative pressure generator, a connector and a mask; the negative pressure generator comprises a housing and a piston rod, wherein the housing is internally provided with a cavity, an upper end of the housing is provided with an avoidance hole communicated with the cavity, and a lower end thereof is provided with an opening communicated with the cavity; the piston rod comprises a push-pull rod and a piston sleeved on the push-pull rod, an upper end of the push-pull rod runs through the avoidance hole, and the piston is movably and hermetically connected to an inner side wall of the housing by means of a sealing ring; an upper side of the mask is provided with a through first connecting cylinder, and a lower side thereof is provided with a flexible annular pad configured to fit with the face.
    Type: Application
    Filed: April 24, 2023
    Publication date: September 21, 2023
    Inventor: Ligui HE
  • Patent number: 11730842
    Abstract: The disclosure relates to disinfection application, particularly, to a device capable of disinfecting a ventilator as well as a face mask and a hose, and more particularly, to an ozone disinfection device, an ozone disinfection system, and an ozone disinfection method. An ozone disinfection device and an ozone disinfection system are provided. An ozone disinfection device includes: a sealed disinfection space, a gas distribution unit, an ozone generation unit, a suction pump, a filter, and a control module.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: August 22, 2023
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: 11633530
    Abstract: A suction device includes a negative pressure generator, a connector and a mask; the negative pressure generator comprises a housing and a piston rod, wherein the housing is internally provided with a cavity, an upper end of the housing is provided with an avoidance hole communicated with the cavity, and a lower end thereof is provided with an opening communicated with the cavity; the piston rod comprises a push-pull rod and a piston sleeved on the push-pull rod, an upper end of the push-pull rod runs through the avoidance hole, and the piston is movably and hermetically connected to an inner side wall of the housing by means of a sealing ring; an upper side of the mask is provided with a through first connecting cylinder, and a lower side thereof is provided with a flexible annular pad configured to fit with the face.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: April 25, 2023
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Publication number: 20230043463
    Abstract: A suction device includes a negative pressure generator, a connector and a mask; the negative pressure generator comprises a housing and a piston rod, wherein the housing is internally provided with a cavity, an upper end of the housing is provided with an avoidance hole communicated with the cavity, and a lower end thereof is provided with an opening communicated with the cavity; the piston rod comprises a push-pull rod and a piston sleeved on the push-pull rod, an upper end of the push-pull rod runs through the avoidance hole, and the piston is movably and hermetically connected to an inner side wall of the housing by means of a sealing ring; an upper side of the mask is provided with a through first connecting cylinder, and a lower side thereof is provided with a flexible annular pad configured to fit with the face.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 9, 2023
    Inventor: Ligui HE
  • Patent number: 11478575
    Abstract: A removal device includes a collapsible gasbag, a connector and a face mask, wherein the collapsible gasbag is provided with a gas storage cavity and an opening; the connector is connected to the opening, and the connector is provided with a first check valve and a second check valve; a first gas outlet end of the first check valve is in communication with the gas storage cavity, a second gas inlet end of the second check valve is in communication with the gas storage cavity, and a second gas outlet end of the second check valve is in communication with the outside; and the face mask is connected to a first gas inlet end of the first check valve, and the face mask is provided with a flexible annular pad.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: October 25, 2022
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Publication number: 20220016287
    Abstract: The disclosure relates to disinfection application, particularly, to a device capable of disinfecting a ventilator as well as a face mask and a hose, and more particularly, to an ozone disinfection device, an ozone disinfection system, and an ozone disinfection method. An ozone disinfection device and an ozone disinfection system are provided. An ozone disinfection device includes: a sealed disinfection space, a gas distribution unit, an ozone generation unit, a suction pump, a filter, and a control module.
    Type: Application
    Filed: May 7, 2021
    Publication date: January 20, 2022
    Inventor: Ligui HE
  • Patent number: 11000612
    Abstract: The disclosure relates to sterilization and disinfection application, particularly, to equipment capable of disinfecting a ventilator as well as a face mask and a hose, and more particularly, to an ozone disinfection device for actively removing ozone, an ozone disinfection system, and an ozone disinfection method. An ozone disinfection device for actively removing ozone and an ozone disinfection system are provided. An ozone disinfection device includes: a sealed disinfection chamber, a gas distribution unit, an ozone generator, a suction pump, a filter, and a control module.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: May 11, 2021
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: 11000611
    Abstract: The disclosure relates to disinfection application, particularly, to a device capable of disinfecting a ventilator as well as a face mask and a hose, and more particularly, to an ozone disinfection device, an ozone disinfection system, and an ozone disinfection method. An ozone disinfection device and an ozone disinfection system are provided. An ozone disinfection device includes: a sealed disinfection space, a gas distribution unit, an ozone generation unit, a suction pump, a filter, and a control module.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: May 11, 2021
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D879946
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: March 31, 2020
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D938004
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: December 7, 2021
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D960458
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: August 9, 2022
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D1011515
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: January 16, 2024
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D1014735
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: February 13, 2024
    Assignee: DCSTAR INC.
    Inventor: Ligui He
  • Patent number: D1018836
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: March 19, 2024
    Assignee: DCSTAR INC.
    Inventor: Ligui He
  • Patent number: D1019936
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: March 26, 2024
    Assignee: DCSTAR INC.
    Inventor: Ligui He
  • Patent number: D1021071
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: April 2, 2024
    Assignee: DCSTAR INC.
    Inventor: Ligui He
  • Patent number: D1021084
    Type: Grant
    Filed: January 29, 2022
    Date of Patent: April 2, 2024
    Assignee: DCSTAR INC
    Inventor: Ligui He
  • Patent number: D1022195
    Type: Grant
    Filed: January 29, 2022
    Date of Patent: April 9, 2024
    Assignee: DCSTAR INC
    Inventor: Ligui He