Patents by Inventor Jens N. Knudsen

Jens N. Knudsen 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).

  • Toy building element with a spring mechanism
    Patent number: 5427558
    Abstract: A toy building set element is formed of a first part and a second part which is slidable and resiliently journaled with respect to the first part. Both of the parts have coupling elements thereon which permit coupling of the parts to other elements of the toy building set. One of the parts may be adapted to receive a shaft through a cylindrical opening that runs perpendicular to the displacement direction of the parts with respect to each other.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: June 27, 1995
    Assignee: Interlego AG
    Inventors: Jens N. Knudsen, Finn D. Madsen
  • Element for a toy building set
    Patent number: D336120
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: June 1, 1993
    Assignee: Interlego A.G.
    Inventor: Jens N. Knudsen
  • Element for a toy building set
    Patent number: D336666
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: June 22, 1993
    Assignee: Interlego A.G.
    Inventor: Jens N. Knudsen
  • Bush element for a toy building set
    Patent number: D337135
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: July 6, 1993
    Assignee: Interlego A.G.
    Inventors: Jens N. Knudsen, Stig A. M. Spangsberg
  • Bush element for a toy building set
    Patent number: D337624
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: July 20, 1993
    Assignee: Interlego A.G.
    Inventors: Jens N. Knudsen, Stig Alexander M. Spangsberg
  • Element for a toy building set
    Patent number: D344300
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: February 15, 1994
    Assignee: Interlego A.G.
    Inventor: Jens N. Knudsen
  • Element for a toy building set
    Patent number: D344303
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: February 15, 1994
    Assignee: Interlego A.G.
    Inventor: Jens N. Knudsen
  • Wheel for a toy vehicle
    Patent number: D349529
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 9, 1994
    Assignee: Interlego, A. G.
    Inventor: Jens N. Knudsen
  • Toy dragon
    Patent number: D349530
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 9, 1994
    Assignee: Interlego, A.G.
    Inventors: Niels M. Pedersen, Jens N. Knudsen
  • Wing for a toy dragon
    Patent number: D349539
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: August 9, 1994
    Assignee: Interlego, A.G.
    Inventor: Jens N. Knudsen
  • Toy canoe for a toy building set
    Patent number: D359528
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: June 20, 1995
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D359997
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 4, 1995
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D359998
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 4, 1995
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D360239
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 11, 1995
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D360659
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 25, 1995
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D367896
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: March 12, 1996
    Assignee: INTERLEGO AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D371402
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: July 2, 1996
    Assignee: INTERLEGO AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D371583
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: July 9, 1996
    Assignee: INTERLEGO AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D371584
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: July 9, 1996
    Assignee: Interlego AG
    Inventor: Jens N. Knudsen
  • Toy building element
    Patent number: D373606
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: September 10, 1996
    Assignee: INTERLEGO AG
    Inventor: Jens N. Knudsen