Patents by Inventor Wilhelmus H. J. Koster

Wilhelmus H. J. Koster 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).

  • Query based electronic battery tester
    Patent number: 7363175
    Abstract: An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined based upon one or more responses to one or more queries provided to an operator. The responses are used to determine battery type.
    Type: Grant
    Filed: April 24, 2006
    Date of Patent: April 22, 2008
    Assignee: Midtronics, Inc.
    Inventors: Kevin I. Bertness, Stephen J. McShane, Wilhelmus H. J. Koster
  • Query based electronic battery tester
    Patent number: 7034541
    Abstract: An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined based upon one or more responses to one or more queries provided to an operator. The responses are used to determine battery type.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: April 25, 2006
    Assignee: Midtronics, Inc.
    Inventors: Kevin I. Bertness, Stephen J. McShane, Wilhelmus H. J. Koster
  • Query based electronic battery tester
    Patent number: 6941234
    Abstract: An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined based upon one or more responses to one or more queries provided to an operator. The responses are used to determine battery type.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: September 6, 2005
    Assignee: Midtronics, Inc.
    Inventors: Kevin I. Bertness, Stephen J. McShane, Wilhelmus H. J. Koster
  • Query based electronic battery tester
    Publication number: 20040145371
    Abstract: An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined based upon one or more responses to one or more queries provided to an operator. The responses are used to determine battery type.
    Type: Application
    Filed: September 30, 2003
    Publication date: July 29, 2004
    Inventors: Kevin I. Bertness, Stephen J. McShane, Wilhelmus H. J. Koster