Patents by Inventor Dirk Heilenkotter

Dirk Heilenkotter 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).

  • Process for determining the current state of a lubricant
    Patent number: 6715344
    Abstract: A method for determining the current state of a lubricant for lubrication of at least two frictional coupling elements capable of cooperating to transmit a torque by comparing reference slip characteristics associated with particular operating conditions with current slip characteristics of the coupling elements is disclosed.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: April 6, 2004
    Assignee: Volkswagen AG
    Inventor: Dirk Heilenkötter
  • Process for determining the current state of a lubricant
    Publication number: 20010054304
    Abstract: A method for determining the current state of a lubricant for lubrication of at least two frictional coupling elements capable of cooperating to transmit a torque by comparing reference slip characteristics associated with particular operating conditions with current slip characteristics of the coupling elements is disclosed.
    Type: Application
    Filed: May 10, 2001
    Publication date: December 27, 2001
    Inventor: Dirk Heilenkotter