Patents by Inventor Leon Mattingly

Leon Mattingly 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).

  • Canister vacuum cleaner with stair hugging swivel wheel assembly
    Patent number: 7281295
    Abstract: A canister vacuum cleaner has a canister assembly and a stair hugging swivel wheel assembly. The stair hugging swivel wheel assembly pivotally connects to the canister assembly and has both a pendulum and a wheel rotatably mounted to a housing thereof. During use, the pendulum projects from the housing under the influence of gravity to inhibit or otherwise prevent the stair hugging swivel wheel assembly from pivoting whenever the canister assembly becomes oriented in an inclined position, such as when placed on a stairway. Preferably, the pendulum mates with a recess in the canister assembly co-located with a circular track in which the stair hugging swivel wheel assembly pivots.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: October 16, 2007
    Assignee: Fanasonic Corporation of North America
    Inventors: Leon A. Mattingly, James T. Crouch
  • Canister vacuum cleaner with stair hugging swivel wheel assembly
    Publication number: 20050015917
    Abstract: A canister vacuum cleaner has a canister assembly and a stair hugging swivel wheel assembly. The stair hugging swivel wheel assembly pivotally connects to the canister assembly and has both a pendulum and a wheel rotatably mounted to a housing thereof. During use, the pendulum projects from the housing under the influence of gravity to inhibit or otherwise prevent the stair hugging swivel wheel assembly from pivoting whenever the canister assembly becomes oriented in an inclined position, such as when placed on a stairway. Preferably, the pendulum mates with a recess in the canister assembly co-located with a circular track in which the stair hugging swivel wheel assembly pivots.
    Type: Application
    Filed: June 24, 2004
    Publication date: January 27, 2005
    Inventors: Leon Mattingly, James Crouch