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: 11647788
    Abstract: An electronic cigarette, including an atomization part and a battery part. The atomization part and the battery part are disposed side by side in the electronic cigarette thereby preventing the e-liquid in the atomization part from flowing into the battery part.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: 11647791
    Abstract: An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly includes an e-liquid storage tank and a limit cover disposed in the e-liquid storage tank, and the limit cover includes an air intake and an air passage. The e-liquid storage tank includes a side wall, a vertical air passage disposed along the side wall, and a bottom air passage communicating with the vertical air passage and the air intake of the limit cover. The side wall includes an air inlet communicating with the vertical air passage. When in use, air enters the atomization assembly via the air inlet, sinks along the vertical air passage and enters the bottom air passage of the atomization assembly, passes through the air intake of the limit cover, flows upwards in the air passage of the limit cover, and discharges from the top part of the atomization assembly.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: 11647792
    Abstract: An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly is disposed on the battery assembly. The atomization assembly is disposed on the battery assembly. The atomization assembly includes a rotatable ring disposed on one end of the atomization assembly; the rotatable ring is configured to adjust a volume of air and vapor of the electronic cigarette; the atomization assembly further includes a refillable cartomizer, an atomizer, and a silicone base disposed on one end of the refillable cartomizer; and the atomizer is in pluggable connection to the silicone base.
    Type: Grant
    Filed: September 6, 2020
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu
  • Atomizer
    Patent number: 11647789
    Abstract: A heating wire assembly including a heating wire and a plurality of fixing screws configured to fix the heating wire. When in repair or maintenance, the plurality of fixing screws is screwed out from the heating wire thereby facilitating the replacement of the heating wire.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: 11647787
    Abstract: A clearomizer, including a seal plug, an e-liquid tank, a silicone base, a first silicone seal, a steel casing, and an atomization core. The seal plug is disposed on a first end of the e-liquid tank to seal an e-liquid inlet of the e-liquid tank. The silicone base is disposed on a second end of the e-liquid tank. The first silicone seal is disposed on one end of the atomization core. The atomization core passes through the silicone base and is fixed in the e-liquid tank. The steel casing is disposed on the second end of the e-liquid tank.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu
  • HEATING ASSEMBLY AND VAPING DEVICE COMPRISING THE SAME
    Publication number: 20230134640
    Abstract: A heating assembly includes a heating element and a base. The base includes a bottom wall and a side wall; a space is surrounded by the bottom wall and the side wall. The heating element is distributed on the bottom wall and configured to heat air in the space; and the bottom wall includes at least one air outlet through which the air flows out of the space.
    Type: Application
    Filed: March 20, 2022
    Publication date: May 4, 2023
    Inventor: Tuanfang LIU
  • VAPING DEVICE
    Publication number: 20230132723
    Abstract: A vaping device includes a heating assembly; the heating assembly includes a first chamber and a heating element disposed in the first chamber. The first chamber includes a first air intake part and an air release part. The tobacco material is disposed outside of the first chamber, and the air release part is disposed toward the tobacco material.
    Type: Application
    Filed: March 20, 2022
    Publication date: May 4, 2023
    Inventor: Tuanfang LIU
  • HEATED TOBACCO PRODUCT
    Publication number: 20230135272
    Abstract: A heated tobacco product includes a main body and a fixing member. The main body includes a first chamber, and the fixing member is detachably disposed in the first chamber. The fixing member includes a second chamber configured to hold a tobacco stick. One end of the second chamber includes a first opening through which the tobacco stick is inserted into the second chamber.
    Type: Application
    Filed: April 28, 2022
    Publication date: May 4, 2023
    Inventor: Tuanfang LIU
  • Hookah comprising high frequency heating unit
    Patent number: 11638444
    Abstract: A hookah, includes a cup assembly and a high frequency heating unit detachably connected to the cup assembly. The cup assembly includes a cup configured to accommodate a tobacco material. The high frequency heating unit includes a hollow handle and a magnetic induction coil disposed in the hollow handle. The hollow handle includes a through hole and the magnetic induction coil includes a central hole concentric with the through hole. The cup is disposed in the through hole of the hollow handle. When in use, an alternating current is introduced to the magnetic induction coil, and a magnetic induction effect is generated, so that the cup is heated and the heat is transferred to the tobacco material whereby the tobacco material is heated and smoke is produced.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: May 2, 2023
    Inventor: Tuanfang Liu
  • ELECTRONIC CIGARETTE WORKING IN CONTACT-TYPE CONDUCTIVE MODE
    Publication number: 20230113365
    Abstract: An electronic cigarette includes an atomization assembly. The atomization assembly comprises an electric heating element, a first conductive electrode, a second conductive electrode, and a circuit control board configured to control the electric heating element to work. The electric heating element is electrically connected to the first conductive electrode and the second conductive electrode through the circuit control board.
    Type: Application
    Filed: March 16, 2022
    Publication date: April 13, 2023
    Inventor: Tuanfang LIU
  • Electronic cigarette with temperature protection
    Patent number: 11622573
    Abstract: An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly is disposed on the battery assembly. The battery assembly includes a temperature protection control unit. The temperature protection control unit includes a control panel. The control panel includes a temperature protection sensing unit configured to detect an internal temperature of the battery assembly and transmit a signal with regard to the internal temperature to the control panel. When the internal temperature of the battery assembly is over 75° C., the control panel stops working, and the atomization assembly is unable to work.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: April 11, 2023
    Assignee: SHENZHEN EIGATE TECHNOLOGY CO., LTD.
    Inventor: Tuanfang Liu
  • Electronic cigarette
    Patent number: 11602179
    Abstract: An electronic cigarette including an atomization assembly and a base assembly. The atomization assembly is disposed on the battery assembly. The battery assembly includes a switch control unit. The switch control unit includes a control panel and a button. The control panel includes a power-on control circuit and a power-off control circuit which are electrically connected to the button. The battery assembly is switchable between a lock state and an unlocked state under the control of the button.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: March 14, 2023
    Assignee: SHENZHEN EIGATE TECHNOLOGY CO., LTD.
    Inventor: Tuanfang Liu
  • Electronic cigarette having leakproof device for preventing leakage of e-liquid
    Patent number: 11602171
    Abstract: An electronic cigarette including an atomization assembly and a base assembly. The atomization assembly is disposed on the battery assembly. The atomization assembly includes an e-liquid tank; a first seal ring; a limit cover; a second seal ring; a piece of cotton; a heating wire; a third seal ring; a seal plug; a base; a joint; an insulation sleeve; and a connection sleeve. The battery assembly includes a pair of electrodes; a magnet; a fourth seal ring; an indicator light; a secondary support; a pneumatic switch; a silicone sleeve; a primary support; a battery; a USB plate; a housing. The piece of cotton wraps the heating wire. The piece of cotton and the heating wire are disposed on the base. The limit cover is disposed on the piece of cotton. The first seal ring and the second seal ring are disposed on two ends of the limit cover.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: March 14, 2023
    Inventor: Tuanfang Liu
  • HEATING CUP ASSEMBLY AND HOOKAH COMPRISING THE SAME
    Publication number: 20230075439
    Abstract: A heating cup assembly includes a first cup. The first cup includes a first cavity, a first side wall, and a second side wall. The first cavity is surrounded by the first side wall. The first side wall includes a first end and a second end. The second side wall includes a third end and a fourth end. The second end and the third end are disposed in one horizontal plane. The second side wall is in the shape of a truncated cone, and a diameter of the third end is less than that of the fourth end.
    Type: Application
    Filed: March 9, 2022
    Publication date: March 9, 2023
    Inventor: Tuanfang LIU
  • Electronic hookah
    Patent number: D980510
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: March 7, 2023
    Inventor: Tuanfang Liu
  • Heating cup for an electronic cigarette
    Patent number: D980514
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 7, 2023
    Inventor: Tuanfang Liu
  • Heating cup for an electronic cigarette
    Patent number: D980515
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 7, 2023
    Inventor: Tuanfang Liu
  • Atomizer for an electronic cigarette
    Patent number: D981033
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: March 14, 2023
    Inventor: Tuanfang Liu
  • Heating cup for an electronic cigarette
    Patent number: D981034
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: March 14, 2023
    Inventor: Tuanfang Liu
  • Heating cup for an electronic cigarette
    Patent number: D986488
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: May 16, 2023
    Inventor: Tuanfang Liu