Patents by Inventor Ramón Alberto Aguilar Armendariz

Ramón Alberto Aguilar Armendariz 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 connection with improved root thread profile
    Patent number: 9375798
    Abstract: A threaded connection design having a double ellipse in the thread root for reducing stress fatigue is illustrated in this disclosure. The root groove includes a first portion comprising a first elliptical surface being part of a first ellipse. The root groove further includes a second portion comprising a second elliptical surface, being part of a second ellipse, and the second elliptical surface being joined tangentially at a first end to the first elliptical surface at a junction point that defines the bottom of the root groove. The second elliptical surface is joined tangentially at a second end to the load flank.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: June 28, 2016
    Assignee: Tenaris Connections Limited
    Inventors: Gastón Mauro Mazzaferro, Tommaso Coppola, Stefano Amato, Ramón Alberto Aguilar Armendariz, Philippe Pierre Darcis
  • Threaded Connection with Improved Root Thread Profile
    Publication number: 20140182426
    Abstract: A threaded connection design having a double ellipse in the thread root for reducing stress fatigue is illustrated in this disclosure. The root groove includes a first portion comprising a first elliptical surface being part of a first ellipse. The root groove further includes a second portion comprising a second elliptical surface, being part of a second ellipse, and the second elliptical surface being joined tangentially at a first end to the first elliptical surface at a junction point that defines the bottom of the root groove. The second elliptical surface is joined tangentially at a second end to the load flank.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 3, 2014
    Inventors: Gastón Mauro Mazzaferro, Tommaso Coppola, Stefano Amato, Ramón Alberto Aguilar Armendariz, Philippe Pierre Darcis
  • Threaded connection with improved root thread profile
    Patent number: 8668232
    Abstract: A threaded connection design having a double ellipse in the thread root for reducing stress fatigue is illustrated in this disclosure. The root groove includes a first portion comprising a first elliptical surface being part of a first ellipse. The root groove further includes a second portion comprising a second elliptical surface, being part of a second ellipse, and the second elliptical surface being joined tangentially at a first end to the first elliptical surface at a junction point that defines the bottom of the root groove. The second elliptical surface is joined tangentially at a second end to the load flank.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: March 11, 2014
    Assignee: Tenaris Connections Limited
    Inventors: Gastón Mauro Mazzaferro, Tommaso Coppola, Stefano Amato, Ramón Alberto Aguilar Armendariz, Philippe Pierre Darcis
  • Threaded Connection With Improved Root Thread Profile
    Publication number: 20130147191
    Abstract: A threaded connection design having a double ellipse in the thread root for reducing stress fatigue is illustrated in this disclosure. The root groove includes a first portion comprising a first elliptical surface being part of a first ellipse. The root groove further includes a second portion comprising a second elliptical surface, being part of a second ellipse, and the second elliptical surface being joined tangentially at a first end to the first elliptical surface at a junction point that defines the bottom of the root groove. The second elliptical surface is joined tangentially at a second end to the load flank.
    Type: Application
    Filed: December 9, 2011
    Publication date: June 13, 2013
    Inventors: Gastón Mauro Mazzaferro, Tommaso Coppola, Stefano Amato, Ramón Alberto Aguilar Armendariz, Philippe Pierre Darcis