Patents by Inventor Andrew J. Alien

Andrew J. Alien 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).

  • Publication number: 20130313025
    Abstract: The current invention provides a drill pipe of standard weight with an integral wear pad. The drill pipe with integral wear pad provides increased durability while retaining the strength, flexibility, lightweight, and other performance characteristics of standard weight drill pipe. The current invention also provides methods for making a standard weight drill pipe with integral wear pad.
    Type: Application
    Filed: March 14, 2011
    Publication date: November 28, 2013
    Inventors: Thein Htung Aung, Raul G. Garza, Andrew J. Alien, R. Thomas Moore