Patents by Inventor Jacques Hoffmann

Jacques Hoffmann 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).

  • Calibration and validation for a leak detector
    Patent number: 7213440
    Abstract: A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substantially sealed volume of fluid in fluid communication with the test arrangement and a control arrangement for heating and/or cooling the volume to produce the source (sink) of the calibrator.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: May 8, 2007
    Assignee: Intertech Development
    Inventors: Jacques Hoffmann, David J. Balke, Peter Davey
  • Calibration and validation for a leak detector
    Publication number: 20060070423
    Abstract: A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substantially sealed volume of fluid in fluid communication with the test arrangement and a control arrangement for heating and/or cooling the volume to produce the source (sink) of the calibrator.
    Type: Application
    Filed: November 21, 2005
    Publication date: April 6, 2006
    Inventors: Jacques Hoffmann, David Balke, Peter Davey
  • Calibration and validation for leak detector
    Patent number: 7017387
    Abstract: A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substantially sealed volume of fluid in fluid communication with the test arrangement and a control arrangement for heating and/or cooling the volume to produce the source (sink) of the calibrator.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: March 28, 2006
    Assignee: Intertech Development Company
    Inventors: Jacques Hoffmann, David J. Balke, Peter Davey
  • Calibration and validation for leak detector
    Publication number: 20050081597
    Abstract: A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substantially sealed volume of fluid in fluid communication with the test arrangement and a control arrangement for heating and/or cooling the volume to produce the source (sink) of the calibrator.
    Type: Application
    Filed: October 20, 2003
    Publication date: April 21, 2005
    Inventors: Jacques Hoffmann, David Balke, Peter Davey