Circular Patents (Class D21/488)
  • Linking piece
    Patent number: D788857
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 6, 2017
    Assignee: Strottman International, Inc.
    Inventor: German Gutierrez
  • Construction set element
    Patent number: D797203
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 12, 2017
    Assignee: MEGA Brands Inc.
    Inventors: Philippe Soucie, Steve Ross
  • Wheel linking piece
    Patent number: D808471
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: January 23, 2018
    Assignee: Strottman International, Inc.
    Inventors: German Gutierrez, Armando Roque
  • Construction set element
    Patent number: D834106
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: November 20, 2018
    Assignee: MEGA Brands Inc.
    Inventor: Kevin Pestel
  • Connector piece for assembling toys and furniture
    Patent number: D847270
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: April 30, 2019
    Inventor: JiZhong Peng
  • Toy building block
    Patent number: D878483
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: March 17, 2020
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Lei Xie, Xiang Zhang
  • Building block
    Patent number: D891531
    Type: Grant
    Filed: December 15, 2018
    Date of Patent: July 28, 2020
    Assignee: SHANGHAI PUTAO TECHNOLOGY CO., LTD.
    Inventors: Xiang Zhang, Lei Xie
  • Construction set element
    Patent number: D895024
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: September 1, 2020
    Assignee: Mattel-MEGA Holdings (US), LLC
    Inventor: Louis-Philippe Beaulieu
  • Parabolic lynchpin block
    Patent number: D897450
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: September 29, 2020
    Inventor: T. Dashon Howard
  • Play block
    Patent number: D904528
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: December 8, 2020
    Inventor: Brian Semling
  • Play block
    Patent number: D905796
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: December 22, 2020
    Inventor: Brian Semling
  • Ring
    Patent number: D907521
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: January 12, 2021
    Inventor: Elliott Hartman Albrecht Beaber
  • Toy block
    Patent number: D949978
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 26, 2022
    Assignee: IRINGO CO., LTD.
    Inventor: In-Deok Heo
  • Connector device for promoting building skills
    Patent number: D949979
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: April 26, 2022
    Assignee: South Dakota Board of Regents
    Inventors: Angela McKillip, Todd Letcher, Roxanne Lucchesi, Craig Silvernagel, Barb Heller, Kay Cutler, Chris Hume, Abigail Vaz, Maggie Smither, Elisabeth Gordon, Nathan Stang, Angela Heinz, Tyana Gottsleben
  • Stackable toy set
    Patent number: D957541
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: July 12, 2022
    Assignee: Shantou Chenghai Pengbu Plastic Toy Factory
    Inventor: Shaoyuan Wang
  • Brick for construction toys
    Patent number: D959566
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: August 2, 2022
    Inventor: Sangchul Gil
  • Brick for construction toys
    Patent number: D959567
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: August 2, 2022
    Inventor: Sangchul Gil
  • Brick for construction toys
    Patent number: D959568
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: August 2, 2022
    Inventor: Sangchul Gil
  • Element for a toy building set
    Patent number: D966430
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 11, 2022
    Assignee: LEGO A/S
    Inventor: Esmee Wilhelmina Jozefina Kuenen
  • Constructional toy element
    Patent number: D984552
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: April 25, 2023
    Assignee: Creative Design Ideas Limited
    Inventor: Richard Keith Hardstaff
  • Block
    Patent number: D985681
    Type: Grant
    Filed: November 5, 2022
    Date of Patent: May 9, 2023
    Inventor: Tucker Gorman
  • Building block
    Patent number: D987732
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: May 30, 2023
    Assignee: EDX EDUCATION CO., LTD.
    Inventor: Bo-Yi Lin
  • Stackable building block
    Patent number: D992047
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: July 11, 2023
    Inventor: Margaret Yates
  • Circular internal lynchpin structure
    Patent number: D1002750
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: October 24, 2023
    Inventor: T. Dashon Howard
  • Modular wall frame component
    Patent number: D1004798
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: November 14, 2023
    Assignee: Versare Solutions, LLC
    Inventor: Arnon Rosan
  • Tube connecting toy
    Patent number: D1013795
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: February 6, 2024
    Assignee: MIKOTO CO. LTD.
    Inventor: Hiroyuki Ueno
  • Element for a toy building set
    Patent number: D1032744
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: June 25, 2024
    Assignee: LEGO A/S
    Inventor: Bo Park Kristensen
  • Toy locking element
    Patent number: D1043850
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: September 24, 2024
    Inventors: Avishay Keren, Yiftach Rosenberg
  • Magnetic block
    Patent number: D1048216
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: October 22, 2024
    Inventor: Howard Wang
  • Magnetic block
    Patent number: D1048217
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: October 22, 2024
    Inventor: Howard Wang
  • Stepping stone for kids
    Patent number: D1049245
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: October 29, 2024
    Assignee: Lan Xi City Jingxuan Daily Necessities Factory
    Inventor: Jing LV
  • Construction toy
    Patent number: D1053963
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: December 10, 2024
    Assignee: Stapelstein Corp.
    Inventor: Stephan Schenk
  • Wheel for a building toy
    Patent number: D1057849
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: January 14, 2025
    Inventors: Avishay Keren, Yiftach Rosenberg
  • Wheel for a building toy
    Patent number: D1061721
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: February 11, 2025
    Inventors: Avishay Keren, Yiftach Rosenberg
  • Wheel for a building toy
    Patent number: D1061722
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: February 11, 2025
    Inventors: Avishay Keren, Yiftach Rosenberg
  • Building block
    Patent number: D1065358
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: March 4, 2025
    Assignee: EDX EDUCATION CO., LTD.
    Inventor: Su-Chin Wong
  • Construction toy
    Patent number: D1074843
    Type: Grant
    Filed: October 24, 2024
    Date of Patent: May 13, 2025
    Assignee: STAPELSTEIN CORP.
    Inventor: Stephan Schenk
  • Claw unit toy brick
    Patent number: D1082952
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: July 8, 2025
    Assignee: LEGO A/S
    Inventor: Marinus Jasperse
  • Toy building block
    Patent number: D1081828
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: July 1, 2025
    Assignee: Guangzhou Qiji Technology Co., Ltd.
    Inventors: Rile Luo, Jun Liu
  • Building block
    Patent number: D1077934
    Type: Grant
    Filed: June 19, 2023
    Date of Patent: June 3, 2025
    Inventors: Qilong Huang, Chun Zhang
  • Toy
    Patent number: D1077935
    Type: Grant
    Filed: December 27, 2024
    Date of Patent: June 3, 2025
    Inventor: Lixiong Wang
  • Toy building block
    Patent number: D1092640
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: September 9, 2025
    Assignee: Guangzhou Duoliangdian Technology Co., Ltd.
    Inventors: Xiaoxin Huang, Xiaocui Luo
  • Construction toy
    Patent number: D1092647
    Type: Grant
    Filed: April 8, 2025
    Date of Patent: September 9, 2025
    Assignee: STAPELSTEIN CORP.
    Inventor: Stephan Schenk
  • Building block
    Patent number: D1094581
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: September 23, 2025
    Assignee: Yi Wu U-Touch Plastic Rubber Products Co., Ltd
    Inventor: Qiong Xiao
  • Stacking building blocks base
    Patent number: D1098296
    Type: Grant
    Filed: July 3, 2024
    Date of Patent: October 14, 2025
    Inventor: Qiongzhou Xie
  • Toy building block
    Patent number: D1101063
    Type: Grant
    Filed: March 19, 2025
    Date of Patent: November 4, 2025
    Inventor: Jinlin Cai
  • Toy building element
    Patent number: D1105279
    Type: Grant
    Filed: June 21, 2024
    Date of Patent: December 9, 2025
    Assignee: Guangzhou Qiji Technology Co., Ltd.
    Inventors: Jie Long, Junlin Chen
  • Toy
    Patent number: D1109246
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: January 13, 2026
    Inventor: Dongxing Wang
  • Toy
    Patent number: D1110425
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: January 27, 2026
    Inventor: Dongxing Wang
  • Toy
    Patent number: D1110427
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: January 27, 2026
    Inventor: Dongxing Wang