Patents by Inventor MYOUNG HYOK EO

MYOUNG HYOK EO 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).

  • Writing tool with anti-drying device
    Patent number: 11584152
    Abstract: Provided is a writing tool with an anti-drying device, comprising a pen holder (110), a pen tip (1) arranged in the pen holder (110), an ink cartridge (130) and a pressing rod (150). The writing tool with the anti-drying device further comprises an anti-drying device (200), wherein the anti-drying device (200) comprises a switch sleeve (210), a lifting cap (220), a tapping spring (214), a rotatable sealing cap (230), a sealing pad (240) and a support spring (244).
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: February 21, 2023
    Assignee: QINGDAO BEST POINT STATIONERY CO., LTD.
    Inventors: Yuanhong Wang, Myoung Hyok Eo
  • WRITING TOOL WITH ANTI-DRYING DEVICE
    Publication number: 20210260911
    Abstract: Provided is a writing tool with an anti-drying device, comprising a pen holder (110), a pen tip (1) arranged in the pen holder (110), an ink cartridge (130) and a pressing rod (150). The writing tool with the anti-drying device further comprises an anti-drying device (200), wherein the anti-drying device (200) comprises a switch sleeve (210), a lifting cap (220), a tapping spring (214), a rotatable sealing cap (230), a sealing pad (240) and a support spring (244).
    Type: Application
    Filed: December 5, 2019
    Publication date: August 26, 2021
    Inventors: YUANHONG WANG, MYOUNG HYOK EO