Patents by Inventor Lars Gärdin

Lars Gärdin 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).

  • Method and an arrangement for inspection of and measuring at an object
    Patent number: 6646734
    Abstract: A method and an arrangement for inspection of a test object (1) for stains or pits at its surface and measuring of any stain or pit, where the test object is arranged in an inspection fixture (3) in at least one defied position. A monitoring device (7) and a scanning device (5) are arranged at the inspection fixture and a control unit (9) for controlling the inspection is included in the arrangement. The surface of the test object is monitored by means of the monitoring device (7) and an image, produced by the monitoring device is shown at the control unit. A stain or pit shown by the monitoring device is subsequently scanned by mean of the scanning device and the depth or width of the stain or pit is calculated, dependent of the results of the scanning device.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: November 11, 2003
    Assignee: Westinghouse Atom AB
    Inventors: Lars Gärdin, Peder Hellberg