Patents by Inventor Elmo Barrera

Elmo Barrera 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).

  • Pipe repair coupling
    Publication number: 20060284413
    Abstract: An improved interlocking pipe repair coupling suitable to join together two portions of pipe, or to close a hole, and a method for using said improved repair coupling is described.
    Type: Application
    Filed: August 15, 2006
    Publication date: December 21, 2006
    Inventor: Elmo Barrera
  • Split PVC repair coupling
    Publication number: 20060038397
    Abstract: An improved interlocking pipe repair coupling suitable to join together two portions of pipe, or to close a hole, comprising two interlocking couplings with the strength to withstand pressure up to 500 psi, and a method for using said improved repair coupling is described.
    Type: Application
    Filed: August 19, 2004
    Publication date: February 23, 2006
    Inventor: Elmo Barrera