Patents by Inventor Michael R. Ehrick

Michael R. Ehrick 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 of determination of glass surface shapes and optical distortion by reflected optical imaging
    Patent number: 8415648
    Abstract: A non-contact, opto-electronic method to determine glass surface shape involves pattern projection in reflection from a screen. The pattern is formed of black and white or coloured squares with a central reference pattern taken as origin of the x-y axes in the subsequent quantitative analysis of the optical distortion in formed glass sheets or panels.
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: April 9, 2013
    Assignee: Pilkington Group Limited
    Inventor: Michael R. Ehrick
  • METHOD OF DETERMINATION OF GLASS SURFACE SHAPES AND OPTICAL DISTORTION BY REFLECTED OPTICAL IMAGING
    Publication number: 20100309328
    Abstract: A non-contact, opto-electronic method to determine glass surface shape involves pattern projection in reflection from a screen. The pattern is formed of black and white or coloured squares with a central reference pattern taken as origin of the x-y axes in the subsequent quantitative analysis of the optical distortion in formed glass sheets or panels.
    Type: Application
    Filed: February 13, 2009
    Publication date: December 9, 2010
    Applicant: PILINGTON GROUP LIMITED
    Inventor: Michael R. Ehrick
  • Method of automated quantitative analysis of distortion in shaped vehicle glass by reflected optical imaging
    Patent number: 7471383
    Abstract: The present application describes and claims an opto-electronic method of quantitatively analyzing reflected optical distortion in sheets or panels of shaped glass.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: December 30, 2008
    Assignee: Pilkington North America, Inc.
    Inventor: Michael R. Ehrick
  • Method of automated quantitative analysis of distortion in shaped vehicle glass by reflected optical imaging
    Publication number: 20080144044
    Abstract: The present application describes and claims an opto-electronic method of quantitatively analyzing reflected optical distortion in sheets or panels of shaped glass.
    Type: Application
    Filed: December 14, 2007
    Publication date: June 19, 2008
    Inventor: Michael R. Ehrick