Patents by Inventor Tuanfang Liu

Tuanfang Liu 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).

  • Electronic cigarette
    Patent number: 11298474
    Abstract: An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly includes a mouthpiece; a first spring disposed in a cavity of the mouthpiece; a first connection ring; a first seal ring sealing the first connection ring; a first fixed seat fixing the mouthpiece; a silicone gasket; a hollow rod; a first fixed ring fixing the hollow rod; a glass tube; a second seal ring and a third seal ring sealing two ends of the glass tube, respectively; a second fixed ring fixing the glass tube; an atomizer; a regulating ring; a second fixed seat fixing the atomizer; a fourth seal ring and a fifth seal ring sealing two ends of the second fixed seat, respectively; a second spring; a first threaded ring; a first insulation ring being sheathed on the atomizer; and a first joint directly connected to the atomizer.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: April 12, 2022
    Inventor: Tuanfang Liu
  • ELECTRONIC CIGARETTE
    Publication number: 20220095683
    Abstract: An electronic cigarette includes a microwave heating module and an aerosol generator. The microwave heating module includes a cup, a cylindrical shielding net, a magnetron, and a microwave source. The cup is fixed in the cylindrical shielding net for accommodating a tobacco material. The cylindrical shielding net is disposed above the microwave source. The magnetron is disposed on the microwave source. In a power-on state, the magnetron emits microwave. The microwave is released via the microwave source into the cylindrical shielding net to heat and atomize the tobacco material in the cup. The microwave heating module is disposed in the aerosol generator.
    Type: Application
    Filed: February 1, 2021
    Publication date: March 31, 2022
    Inventor: Tuanfang LIU
  • Electronic cigarette
    Patent number: 11291082
    Abstract: An electric cigarette including a detachable cover for enclosing the battery. The cigarette allows for replacing the battery. In addition, the cigarette includes an indicating light for reflecting the state of the battery. In addition, the cigarette includes an atomizing assembly that includes detachable components for maintenance or replacement. In addition, the cigarette includes a transparent casing disposed in atomizing assembly. The cigarette of the invention allows for saving materials and reducing cost burden on a user.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: March 29, 2022
    Inventor: Tuanfang Liu
  • ATOMIZER AND E-CIGARETTE COMPRISING THE SAME
    Publication number: 20220079226
    Abstract: An atomizer, including an end cover, the end cover including a main body. The main body includes an outer peripheral wall, and the outer peripheral wall includes an annular recess for air circulation. The annular recess includes a wall including an air inlet and/or an air vent.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 17, 2022
    Inventor: Tuanfang LIU
  • HAIR DRYER
    Publication number: 20220079318
    Abstract: A hair dryer includes a magnetic induction heating module and a blowing device. The magnetic induction heating module includes a heating element and a magnetic induction coil. The heating element is disposed in the magnetic induction coil and produces heat in a power-on state. The magnetic induction heating module is disposed in the blowing device.
    Type: Application
    Filed: December 23, 2020
    Publication date: March 17, 2022
    Inventor: Tuanfang LIU
  • GLASS ATOMIZER
    Publication number: 20220079240
    Abstract: A glass atomizer includes a member for e-liquid injection and vapor discharge. The member for e-liquid injection and vapor discharge includes an outer glass tube and an inner glass tube disposed in the outer glass tube. The outer glass tube includes an air inlet. The inner glass tube includes a top end, and the outer edge of the top end includes a plurality of grooves. The top end is integrated with the inner wall of the outer glass tube.
    Type: Application
    Filed: April 27, 2021
    Publication date: March 17, 2022
    Inventor: Tuanfang LIU
  • GLASS ATOMIZER
    Publication number: 20220079235
    Abstract: A glass atomizer includes a member for e-liquid injection and vapor discharge. The member for e-liquid injection and vapor discharge includes an outer glass tube and an inner glass tube disposed in the outer glass tube. The inner glass tube includes a top end. The outer edge of the top end includes a plurality of grooves. The top end is integrated with the inner wall of the outer glass tube.
    Type: Application
    Filed: April 26, 2021
    Publication date: March 17, 2022
    Inventor: Tuanfang LIU
  • ATOMIZER COMPRISING TWO HEATING WIRES
    Publication number: 20220071287
    Abstract: An atomizer includes a ceramic core, a first heating wire, and a second heating wire. The ceramic core includes a body including a through hole. The first heating wire is soldered on the second heating wire.
    Type: Application
    Filed: December 10, 2020
    Publication date: March 10, 2022
    Inventor: Tuanfang LIU
  • CERAMIC ATOMIZER
    Publication number: 20220071286
    Abstract: A device includes a ceramic core and a metal heating wire. The ceramic core includes a body including a through hole.
    Type: Application
    Filed: December 9, 2020
    Publication date: March 10, 2022
    Inventor: Tuanfang LIU
  • HEATING HANDLE
    Publication number: 20220061392
    Abstract: A heating handle includes a housing and a magnetic induction coil. The housing is L-shaped and includes a through hole, and the magnetic induction coil is disposed in the through hole.
    Type: Application
    Filed: December 16, 2020
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • ELECTRONIC HOOKAH
    Publication number: 20220061391
    Abstract: An electronic hookah includes a main part, a smoke filter, and a connection part connecting the main part and the smoke filter. The main part includes a high-frequency heating unit. The high-frequency heating unit includes a heating cup and a magnetic induction coil. The heating cup is disposed in the magnetic induction coil and is configured to accommodate a tobacco material.
    Type: Application
    Filed: December 15, 2020
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • TOBACCO ROASTER
    Publication number: 20220061375
    Abstract: A tobacco roaster includes a high frequency heating module and a pushing assembly. The high frequency heating module includes a metal cup and a magnetic induction coil. The metal cup is disposed in the magnetic induction coil. When alternating current flows through the magnetic induction coil, an eddy current effect is formed in the metal cup and the metal cup is heated. The pushing assembly includes a push rod disposed below the metal cup. The push rod is movable to push the metal cup out of the tobacco roaster.
    Type: Application
    Filed: December 22, 2020
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • CERAMIC ATOMIZER
    Publication number: 20220061386
    Abstract: A ceramic atomizer includes a ceramic core and a heating wire. The ceramic core includes a concave bottom end and the heating wire is secured to the concave bottom end.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • TOBACCO ROASTER
    Publication number: 20220061393
    Abstract: A tobacco roaster includes a heating rod which is retractable. The heating rod includes a through hole and an air passage communicating with the through hole. The heating rod is configured to heat a tobacco material to produce smoke, and the smoke enters the air passage via the through hole.
    Type: Application
    Filed: December 17, 2020
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • ELECTRONIC CIGARETTE
    Publication number: 20220061385
    Abstract: An electronic cigarette includes a main body and a microwave heating module disposed in the main body. The microwave heating module includes a shielding sleeve, a strip of cotton, and a microwave source. The strip of cotton is disposed in the shielding sleeve. The shielding sleeve is disposed above the microwave source. In a power-on state, the microwave source emits microwave. The microwave is released into the shielding sleeve to heat and atomize e-liquid adsorbed on the strip of cotton to produce vapor for user's inhaling.
    Type: Application
    Filed: February 2, 2021
    Publication date: March 3, 2022
    Inventor: Tuanfang LIU
  • Electronic cigarette
    Patent number: D947447
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: March 29, 2022
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: D948778
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: April 12, 2022
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: D948780
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: April 12, 2022
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: D948781
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: April 12, 2022
    Inventor: Tuanfang Liu
  • Heating bowl for electronic hookah
    Patent number: D948784
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: April 12, 2022
    Assignee: SHENZHEN EIGATE TECHNOLOGY CO., LTD.
    Inventor: Tuanfang Liu