Patents by Inventor Kyoung Hwa Maeng

Kyoung Hwa Maeng 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).

  • Air purifier
    Patent number: D755942
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: May 10, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Young Jo Kim, Kyoung Hwa Maeng, Sul Ki Lee
  • Air purifier
    Patent number: D834165
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 20, 2018
    Assignee: Coway Co., Ltd.
    Inventor: Kyoung Hwa Maeng
  • Door of clothing caring unit having ironing device
    Patent number: D893820
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: August 18, 2020
    Assignee: COWAY CO., LTD.
    Inventors: Bo Seong Seo, Kyoung Hwa Maeng
  • Clothing caring unit
    Patent number: D909692
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: February 2, 2021
    Assignee: COWAY CO., LTD.
    Inventors: Bo Seong Seo, Kyoung Hwa Maeng
  • Clothing caring unit
    Patent number: D918497
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: May 4, 2021
    Assignee: COWAY CO., LTD.
    Inventors: Bo Seong Seo, Kyoung Hwa Maeng
  • Bidet
    Patent number: D944950
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: March 1, 2022
    Assignee: COWAY CO., LTD.
    Inventors: Junhyuk Park, Nari Lee, Kyoung Hwa Maeng
  • Water purifier
    Patent number: D991394
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: July 4, 2023
    Assignee: COWAY CO., LTD.
    Inventors: Kyoung Hwa Maeng, Ji Ae Eum