Patents by Inventor Allen C. Madden

Allen C. Madden 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).

  • Method and apparatus to determine the imbalance in a rotating object
    Patent number: 4423632
    Abstract: An apparatus to determine the imbalance in a rotating object, such as a tire, has means to support the object and drive means directly coupled to the support means for accelerating the object. Means for removing power to the drive means and force transducer means for continuously measuring the magnitude of the imbalance of the object as the velocity of the object decreases, are also provided.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: January 3, 1984
    Assignee: QYL Inc.
    Inventors: Allen C. Madden, Albert L. Mitchell