Patents by Inventor Daniel H. Ewing

Daniel H. Ewing 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
  • RFID-tagged seal
    Patent number: 8282013
    Abstract: O-ring or other fluid seal member (10) and method of making such member. The member has a body (12) provided as a preform of a curable elastomeric polymeric material. A radio frequency identification (RFID) transponder (50) is inserted into the preform. The preform is then cured to form the body and to embed the RFID transponder (50) therein.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: October 9, 2012
    Assignee: Parker-Hannifin Corporation
    Inventors: Shelby F. Stewart, Eric J. Banks, Daniel H. Ewing
  • RFID-TAGGED SEAL
    Publication number: 20110240747
    Abstract: O-ring or other fluid seal member (10) and method of making such member. The member has a body (12) provided as a preform of a curable elastomeric polymeric material. A radio frequency identification (RFID) transponder (50) is inserted into the preform. The preform is then cured to form the body and to embed the RFID transponder (50) therein.
    Type: Application
    Filed: March 4, 2009
    Publication date: October 6, 2011
    Inventors: Shelby F. Stewart, Eric J. Banks, Daniel H. Ewing