Patents by Inventor Quentin de Coster

Quentin de Coster 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).

  • Anti-tip device
    Patent number: D1056681
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: January 7, 2025
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, On Hin Tang
  • Headboard cushion
    Patent number: D1087679
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: August 12, 2025
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, On Hin Tang
  • Bed frame and headboard set
    Patent number: D1095074
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: September 30, 2025
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, On Hin Tang
  • Headboard
    Patent number: D1095122
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: September 30, 2025
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, On Hin Tang
  • Bookshelf
    Patent number: D1115408
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: March 3, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong, Ellen Posch
  • Base shelf of bookshelf
    Patent number: D1115409
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: March 3, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong, Ellen Posch
  • Stacking shelf of bookshelf
    Patent number: D1116555
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: March 10, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong, Ellen Posch
  • Pedestal side table
    Patent number: D1116560
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: March 10, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Ellen Posch
  • C side table
    Patent number: D1116561
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: March 10, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Ellen Posch
  • Dresser
    Patent number: D1122646
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: April 21, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, On Hin Tang
  • Stool
    Patent number: D1125872
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: May 12, 2026
    Assignee: Thuma Inc.
    Inventors: Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong
  • Modular dresser drawer
    Patent number: D1125905
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: May 12, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, On Hin Tang
  • Bench
    Patent number: D1126609
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: May 19, 2026
    Assignee: Thuma Inc.
    Inventors: Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong
  • C-clip for a book shelf
    Patent number: D1130074
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: June 16, 2026
    Assignee: Thuma Inc.
    Inventors: Reed Kamler, Douglas Shumway, Quentin de Coster, Sarah Willemart, Eric Wong, Ellen Posch
  • Pet bed
    Patent number: D1135211
    Type: Grant
    Filed: October 22, 2024
    Date of Patent: July 14, 2026
    Assignee: Thuma Inc.
    Inventors: Douglas Shumway, Quentin de Coster, Sarah Willemart, Graham Reynolds