Patents by Inventor Robert M. Kerchen

Robert M. Kerchen 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).

  • Multiple natural frequency coupling apparatus
    Patent number: 9528556
    Abstract: A multiple natural frequency coupling apparatus for connecting a rotatable driving member to a rotatable driven member of a drive line. The coupling apparatus of the present invention provides a substantially cylindrical housing having a longitudinal axis with a substantially cylindrical outer shaft coaxially aligned with and connected to the housing. A substantially cylindrical inner shaft is coaxially aligned with the outer shaft and the housing. A substantially cylindrical chuck housing is coaxially aligned with the housing, the outer shaft, and the inner shaft wherein the fluid chuck housing is connected to the inner shaft.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: December 27, 2016
    Assignee: Comau LLC
    Inventor: Robert M. Kerchen
  • Multiple Natural Frequency Coupling Apparatus
    Publication number: 20150285313
    Abstract: A multiple natural frequency coupling apparatus for connecting a rotatable driving member to a rotatable driven member of a drive line. The coupling apparatus of the present invention provides a substantially cylindrical housing having a longitudinal axis with a substantially cylindrical outer shaft coaxially aligned with and connected to the housing. A substantially cylindrical inner shaft is coaxially aligned with the outer shaft and the housing. A substantially cylindrical chuck housing is coaxially aligned with the housing, the outer shaft, and the inner shaft wherein the fluid chuck housing is connected to the inner shaft.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 8, 2015
    Applicant: Comau, Inc.
    Inventor: Robert M. Kerchen