Patents by Inventor Donald Marvin Ewing

Donald Marvin 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).

  • Sucker rod with adhesive-attached end piece
    Patent number: 11199053
    Abstract: A metal sucker rod has a first end and a second end spaced apart from the first end. At least one end piece with a recess is configured to receive one of the first end and the second end of the metal sucker rod. The metal sucker rod includes an adhesive applied to at least one of a) the first end and the second end of the steel rod and b) in the recess of the at least one end piece. The adhesive is configured to secure the end piece to one of the first end and the second end.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: December 14, 2021
    Assignee: TRC Services, Inc.
    Inventors: Donald Mike Johnson, Michael Eric Johnson, Donald Marvin Ewing
  • SUCKER ROD WITH ADHESIVE-ATTTACHED END PIECE
    Publication number: 20200232285
    Abstract: A metal sucker rod has a first end and a second end spaced apart from the first end. At least one end piece with a recess is configured to receive one of the first end and the second end of the metal sucker rod. The metal sucker rod includes an adhesive applied to at least one of a) the first end and the second end of the steel rod and b) in the recess of the at least one end piece. The adhesive is configured to secure the end piece to one of the first end and the second end.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 23, 2020
    Inventors: Donald Mike Johnson, Michael Eric Johnson, Donald Marvin Ewing