Curved Or Folded Patents (Class D21/492)
  • Building block
    Patent number: D548804
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: August 14, 2007
    Inventors: Peter Carlo D'Ambrosio, Roy Austin Smith
  • Construction toy component
    Patent number: D561845
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: February 12, 2008
    Assignee: K′NEX Limited Partnership Group
    Inventors: Joel Glickman, Matthias F. W. Doepner
  • Game tile
    Patent number: D573661
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: July 22, 2008
    Inventor: Adar Golad
  • Toy construction set element
    Patent number: D616504
    Type: Grant
    Filed: July 14, 2009
    Date of Patent: May 25, 2010
    Assignee: Lego A/S
    Inventor: Henrik Andersen
  • Toy building unit
    Patent number: D617395
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: June 8, 2010
    Assignee: Crayola LLC
    Inventors: Christopher R. Colangelo, James Allen
  • Toy building element
    Patent number: D412945
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: August 17, 1999
    Assignee: INTERLEGO AG
    Inventors: Christian J.o slashed.rgensen, Anne K. Jensen
  • Building block from a toy building set
    Patent number: D701920
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: April 1, 2014
    Assignee: Lego A/S
    Inventor: Henrik Andersen
  • Modular construction panel
    Patent number: D748202
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: January 26, 2016
    Assignee: FELTRO INC.
    Inventor: Samuel Kennedy
  • Toy element
    Patent number: D759766
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: June 21, 2016
    Assignee: Creative Design Ideas Limited
    Inventor: Richard Keith Hardstaff
  • Interlocking building block
    Patent number: D762268
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: July 26, 2016
    Assignee: IKO, LLC
    Inventors: Mina M. Berglund, Taylor P. DaBell, Gates A. Lamb, Michael P. Wong
  • Tetrahedral turbine block
    Patent number: D763970
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: August 16, 2016
    Inventor: T. Dashon Howard
  • Construction set element
    Patent number: D786984
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: May 16, 2017
    Assignee: MEGA Brands Inc.
    Inventors: Maxime Pouliot, David Pharand
  • Linking piece
    Patent number: D788857
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: June 6, 2017
    Assignee: Strottman International, Inc.
    Inventor: German Gutierrez
  • Tetrahedral positive universal joint block
    Patent number: D798392
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: September 26, 2017
    Inventor: T. Dashon Howard
  • Tetrahedral negative universal joint block
    Patent number: D800227
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: October 17, 2017
    Inventor: T. Dashon Howard
  • Tetrahedral neutral converter block
    Patent number: D802683
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: November 14, 2017
    Inventor: T. Dashon Howard
  • Toy building block
    Patent number: D832934
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: November 6, 2018
    Assignee: PEOPLE CO., LTD.
    Inventor: Masako Kogure
  • Expanded octahedral block
    Patent number: D842385
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: March 5, 2019
    Inventor: T. Dashon Howard
  • Pentagonal turbine block
    Patent number: D849852
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: May 28, 2019
    Inventor: T. Dashon Howard
  • Pentagonal tetrahedral block
    Patent number: D861080
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 24, 2019
    Inventor: T. Dashon Howard
  • Connectors play construction kit
    Patent number: D863456
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: October 15, 2019
    Inventor: Cas Holman
  • Simple machines play construction kit
    Patent number: D865074
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: October 29, 2019
    Inventor: Cas Holman
  • Toy building panel
    Patent number: D868169
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: November 26, 2019
    Assignee: Box Tiles LLC
    Inventors: Joseph M. Kelley, Noah J. Ornstein
  • Locomotion play construction kit
    Patent number: D869567
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: December 10, 2019
    Inventor: Cas Holman
  • Standing wave block
    Patent number: D896321
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: September 15, 2020
    Inventor: T. Dashon Howard
  • 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: D903006
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: November 24, 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
  • Snap-lock construction toy beam connector
    Patent number: D936751
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: November 23, 2021
    Inventor: Costas Sisamos
  • Block formed from mirrored pair of sheet-formed tetrahedral units
    Patent number: D939636
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: December 28, 2021
    Inventor: T. Dashon Howard
  • Building block
    Patent number: D947954
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: April 5, 2022
    Inventor: Cory Marino
  • Building block
    Patent number: D961007
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 16, 2022
    Assignee: EDX EDUCATION CO., LTD.
    Inventor: Bo-Yi Lin
  • Magnetic construction unit
    Patent number: D964479
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: September 20, 2022
    Assignee: TOYISH LABS INC.
    Inventors: Assaf Eshet, Yaron Barlev
  • Separable tetrahedral icosahedron block
    Patent number: D968521
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: November 1, 2022
    Inventor: T. Dashon Howard
  • Building block
    Patent number: D982096
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: March 28, 2023
    Inventors: Matthew Andersen, Warren Wilson
  • Building block
    Patent number: D983890
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: April 18, 2023
    Inventors: Matthew Andersen, Warren Wilson
  • Building block
    Patent number: D987733
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: May 30, 2023
    Assignee: EDX EDUCATION CO., LTD.
    Inventor: Bo-Yi Lin
  • Magnetic construction unit
    Patent number: D991364
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: July 4, 2023
    Assignee: TOYISH LABS INC.
    Inventors: Assaf Eshet, Yaron Barlev
  • 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
  • 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