Patents by Inventor Ray Shead

Ray Shead 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).

  • Measuring device
    Patent number: 7319521
    Abstract: A device for measuring the thickness of a sheet or web product including at least one moveable measuring sensor which can be pressed against the product while forming an air pad between measuring sensor and product. At least one measuring sensor is respectively provided on both sides of the sheet or web product. The thickness of the respective air pad can be measured, the total gap thickness including the thickness of the two air pads and the product thickness can be measured. Elements are provided for calculating the product thickness by subtracting the thickness of the air pad on the two product sides from the measured total gap thickness.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: January 15, 2008
    Assignee: Voith Paper Patent GmbH
    Inventors: Pekka Typpoe, Rudolf Muench, Thomas Ischodonat, Ray Shead
  • Measuring device
    Publication number: 20050157314
    Abstract: A device for measuring the thickness of a sheet or web product including at least one moveable measuring sensor which can be pressed against the product while forming an air pad between measuring sensor and product. At least one measuring sensor is respectively provided on both sides of the sheet or web product. The thickness of the respective air pad can be measured, the total gap thickness including the thickness of the two air pads and the product thickness can be measured. Elements are provided for calculating the product thickness by subtracting the thickness of the air pad on the two product sides from the measured total gap thickness.
    Type: Application
    Filed: December 22, 2004
    Publication date: July 21, 2005
    Inventors: Pekka Typpoe, Rudolf Muench, Thomas Ischodonat, Ray Shead