Patents by Inventor John D Overholt

John D Overholt 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).

  • Patent number: 9696233
    Abstract: Methods for correcting a rotational imbalance of a shaft are disclosed. The methods include determining a rotational imbalance of an unbalanced shaft, determining an imbalance correction and mapping the imbalance correction to predetermined points on the shaft. The imbalance correction can be implemented through the addition of mass to or the subtraction of mass from the shaft.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: July 4, 2017
    Assignee: American Axle & Manufacturing, Inc.
    Inventor: John D. Overholt
  • Publication number: 20160047705
    Abstract: Methods for correcting a rotational imbalance of a shaft are disclosed. The methods include determining a rotational imbalance of an unbalanced shaft, determining an imbalance correction and mapping the imbalance correction to predetermined points on the shaft. The imbalance correction can be implemented through the addition of mass to or the subtraction of mass from the shaft.
    Type: Application
    Filed: August 18, 2014
    Publication date: February 18, 2016
    Inventor: John D. Overholt
  • Patent number: 8092310
    Abstract: A propshaft having first and second universal joints. The first universal joint has a first joint member, which is fixedly coupled to a first end of the shaft member, and a second joint member that is pivotally coupled to the first joint member. The second universal joint has a third joint member, which is fixedly coupled to a second end of the shaft member opposite the first end, and a fourth joint member that pivotally coupled to the third joint member. At least one of the second joint member and the fourth joint member is electrically insulated from the shaft member.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: January 10, 2012
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Kevin M Ledford, John D Overholt, Bruce A Duncan
  • Publication number: 20100113166
    Abstract: A propshaft having first and second universal joints. The first universal joint has a first joint member, which is fixedly coupled to a first end of the shaft member, and a second joint member that is pivotally coupled to the first joint member. The second universal joint has a third joint member, which is fixedly coupled to a second end of the shaft member opposite the first end, and a fourth joint member that pivotally coupled to the third joint member. At least one of the second joint member and the fourth joint member is electrically insulated from the shaft member.
    Type: Application
    Filed: November 4, 2008
    Publication date: May 6, 2010
    Inventors: John D. Overholt, Kevin M. Ledford, Michael Alan Voight
  • Publication number: 20100113165
    Abstract: A propshaft having first and second universal joints. The first universal joint has a first joint member, which is fixedly coupled to a first end of the shaft member, and a second joint member that is pivotally coupled to the first joint member. The second universal joint has a third joint member, which is fixedly coupled to a second end of the shaft member opposite the first end, and a fourth joint member that pivotally coupled to the third joint member. At least one of the second joint member and the fourth joint member is electrically insulated from the shaft member.
    Type: Application
    Filed: January 20, 2009
    Publication date: May 6, 2010
    Inventors: Kevin M. Ledford, John D. Overholt, Bruce A. Duncan