Curved Surface Patents (Class D21/503)
  • Multi-functional educational ornamental toy bead
    Patent number: D867473
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: November 19, 2019
    Inventor: Fabien Fontaine
  • Toy building block
    Patent number: D869569
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 10, 2019
    Inventor: William C. MacArthur
  • Toy building block
    Patent number: D878484
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: March 17, 2020
    Assignee: Shanghai Putao Technology Co., Ltd.
    Inventors: Lei Xie, Xiang Zhang
  • Mated block
    Patent number: D898129
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: October 6, 2020
    Inventor: T. Dashon Howard
  • Toy block
    Patent number: D902323
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 17, 2020
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki Ho Lee, Yoon Su Cha, Na Young Go, So Lee Kang, Jo Un Yi
  • Polyhedral lattice block
    Patent number: D906438
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 29, 2020
    Inventor: T. Dashon Howard
  • Tetrahedral icosahedron block
    Patent number: D906439
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: December 29, 2020
    Inventor: T. Dashon Howard
  • Toy block
    Patent number: D909493
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 2, 2021
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Gyu Jin Seo, Ju Seong Lee, Chang Moon Lee, Ki Ho Lee, Yoon Su Cha, Na Young Go, So Lee Kang, Jo Un Yi
  • Construction set element
    Patent number: D914110
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 23, 2021
    Assignee: LEGO A/S
    Inventors: Byeongjun Hwang, Kyoungbae Na
  • Block from a construction set
    Patent number: D917630
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 27, 2021
    Inventor: Pedro Chumillas Zurilla
  • Construction set block
    Patent number: D918310
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 4, 2021
    Assignee: UBTECH ROBOTICS CORP
    Inventors: Yumiao Wu, Lefeng Liu, Qiujie Lin, Xinshui Huang, Youjun Xiong
  • Snap-lock construction toy axle
    Patent number: D936752
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 23, 2021
    Inventor: Costas Sisamos
  • Snap-lock construction toy
    Patent number: D937362
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 30, 2021
    Inventor: Costas Sisamos
  • Block for a toy
    Patent number: D946665
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: March 22, 2022
    Inventor: Silgi Lee
  • Toy building element
    Patent number: D961005
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: August 16, 2022
    Assignee: LEGO A/S
    Inventor: Yoel Mazur
  • Stackable building block
    Patent number: D965075
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: September 27, 2022
    Assignee: WILDFLOWER LEARNING TOOLS, LLC
    Inventor: Margaret Yates
  • Element for a toy building set
    Patent number: D965699
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: October 4, 2022
    Assignee: LEGO A/S
    Inventor: Bo Park Kristensen
  • Block toy
    Patent number: D969232
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: November 8, 2022
    Assignee: GYMWORLD INC.
    Inventors: Kee Young Park, Chang Moon Lee, So Lee Kang, Jo Un Yi, Yeong Du Jeon
  • Element for a toy building set
    Patent number: D975198
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 10, 2023
    Assignee: LEGO A/S
    Inventor: Yoel Mazur
  • Element for a toy building
    Patent number: D975200
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 10, 2023
    Assignee: LEGO A/S
    Inventor: Daniel Sri Surdarsono
  • Building block toy
    Patent number: D977028
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: January 31, 2023
    Inventor: Jinjie Wang
  • Toy block
    Patent number: D977590
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: February 7, 2023
    Inventor: Xin Feng
  • Building block from a toy building set
    Patent number: D994042
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: August 1, 2023
    Assignee: MODU ApS
    Inventors: Theo Fischer Ginman, Jonathan Rasmussen
  • Toy building brick
    Patent number: D1020921
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: April 2, 2024
    Inventor: Ying Zhou
  • Construction toy piece
    Patent number: D1034836
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: July 9, 2024
    Assignee: Ravensburger AG
    Inventor: Ralph Muenzer
  • Arced interlocking toy brick with knobs
    Patent number: D1048218
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: October 22, 2024
    Assignee: LEGO A/S
    Inventor: Miriam Toril Muro
  • Connecting piece for building blocks
    Patent number: D1050284
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: November 5, 2024
    Assignee: HANGZHOU KUAIWEI TECHNOLOGY CO., LTD.
    Inventor: Jianfeng Wang
  • Set of building blocks
    Patent number: D1060521
    Type: Grant
    Filed: July 18, 2024
    Date of Patent: February 4, 2025
    Inventor: Aijia Cai
  • Toy building block
    Patent number: D1071004
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: April 15, 2025
    Inventor: Xiaogang Wu
  • Construction toy piece
    Patent number: D1072078
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: April 22, 2025
    Assignee: RAVENSBURGER VERLAG GMBH
    Inventor: Ralph Muenzer
  • Half arch toy brick
    Patent number: D1084159
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: July 15, 2025
    Assignee: LEGO A/S
    Inventor: Yoel Mazur
  • Beam module toy brick with upstanding connectors
    Patent number: D1077931
    Type: Grant
    Filed: February 10, 2023
    Date of Patent: June 3, 2025
    Assignee: LEGO A/S
    Inventor: Mikkel Bundgaard Nielsen
  • Interlocking toy brick
    Patent number: D1077933
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: June 3, 2025
    Assignee: LEGO A/S
    Inventor: Christoffer Raundahl
  • Arced toy brick
    Patent number: D1077073
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: May 27, 2025
    Assignee: LEGO A/S
    Inventor: Miriam Toril Muro
  • Toy building block
    Patent number: D1091724
    Type: Grant
    Filed: September 13, 2023
    Date of Patent: September 2, 2025
    Assignee: Guangzhou Susheng Technology Co., Ltd.
    Inventors: Xiaoxin Huang, Xiaocui Luo
  • Upstanding toy brick
    Patent number: D1098301
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: October 14, 2025
    Assignee: LEGO A/S
    Inventor: Robert Heim
  • Modular toy component
    Patent number: D1100064
    Type: Grant
    Filed: June 14, 2024
    Date of Patent: October 28, 2025
    Assignee: TOMY International, Inc.
    Inventors: Adam Carson, Kyle Gutzmann
  • Construction toy piece
    Patent number: D1105286
    Type: Grant
    Filed: July 19, 2024
    Date of Patent: December 9, 2025
    Assignee: RAVENSBURGER VERLAG GMBH
    Inventor: Ralph Muenzer
  • Rail
    Patent number: D1109244
    Type: Grant
    Filed: July 2, 2024
    Date of Patent: January 13, 2026
    Assignee: Q-BA-MAZE Inc.
    Inventor: Andrew Comfort
  • Toy
    Patent number: D1109247
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: January 13, 2026
    Inventor: Chufan Wang
  • Toy
    Patent number: D1109814
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: January 20, 2026
    Inventor: Chufan Wang
  • Toy brick
    Patent number: D1114087
    Type: Grant
    Filed: January 16, 2025
    Date of Patent: February 17, 2026
    Inventor: Yingfan Chen
  • Toy brick
    Patent number: D1115946
    Type: Grant
    Filed: January 17, 2025
    Date of Patent: March 3, 2026
    Inventor: Yingfan Chen
  • U-shaped connecting toy brick
    Patent number: D1117521
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: March 10, 2026
    Assignee: LEGO A/S
    Inventor: Robert Heim
  • Toy brick
    Patent number: D1117531
    Type: Grant
    Filed: January 17, 2025
    Date of Patent: March 10, 2026
    Inventor: Yingfan Chen
  • Elbow toy brick
    Patent number: D1121057
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: March 31, 2026
    Assignee: LEGO A/S
    Inventor: Mikkel Schou Nielsen
  • Toy brick
    Patent number: D1124161
    Type: Grant
    Filed: January 17, 2025
    Date of Patent: April 28, 2026
    Inventor: Yingfan Chen
  • Toy building block
    Patent number: D1128799
    Type: Grant
    Filed: January 17, 2025
    Date of Patent: June 2, 2026
    Assignees: Guangdong Auldey Animation and TOY Co., Ltd., Alpha Group Co., Ltd.
    Inventors: Jian Ye, Tsui Ching Man, Tianhong Zheng, Yilin Liao, Liuqing Wu, Zefeng Chen
  • Stepped toy building block with fur-like animal surface
    Patent number: D1129572
    Type: Grant
    Filed: November 14, 2025
    Date of Patent: June 9, 2026
    Inventors: Liran Ganor, Yigal Livne
  • Toy brick
    Patent number: D1130601
    Type: Grant
    Filed: January 17, 2025
    Date of Patent: June 16, 2026
    Inventor: Yingfan Chen