Patents by Inventor Gene J. Mannella

Gene J. Mannella 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).

  • Threaded pipe connection with improved seal
    Publication number: 20030025327
    Abstract: An improved coupling for joining together threaded tubular sections is disclosed. The coupling includes a seal seat between the threaded areas of the coupling and a seal assembly positioned on the seal seat. The seal assembly engages the end of the threaded tubular section and forms an axial seal without application of radial stress in the coupling. The seal assembly has an elastomeric component and a rigid component.
    Type: Application
    Filed: August 3, 2001
    Publication date: February 6, 2003
    Inventor: Gene J. Mannella