Patents by Inventor Dana B. Severson

Dana B. Severson 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).

  • PERMANENTLY ENGRAVING A MARKING ON A SEALING SURFACE OF AN O-RING SEAL
    Publication number: 20150151483
    Abstract: The present invention provides a method for permanently engraving a marking on a curved sealing surface of an O-ring seal constructed from an elastomeric material. The method comprises laser engraving the marking on the curved sealing surface of the O-ring seal to a depth of less than 0.08 millimeters.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Inventors: Daniel H. Ewing, Dana B. Severson, Eric J. Banks
  • PERMANENTLY ENGRAVING A MARKING ON A SEALING SURFACE OF AN O-RING SEAL
    Publication number: 20140001708
    Abstract: The present invention provides a method for permanently engraving a marking on a sealing surface of an O-ring seal constructed from an elastomeric material. The method comprises laser engraving the marking on the sealing surface of the O-ring seal to a depth of less than 0.08 millimeters.
    Type: Application
    Filed: June 28, 2013
    Publication date: January 2, 2014
    Inventors: Daniel H. Ewing, Dana B. Severson, Eric J. Banks