Patents by Inventor Rolando Farinas

Rolando Farinas 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).

  • Dual seal fire safe stem packing orientation
    Patent number: 9347585
    Abstract: A valve with a packing assembly includes a valve body assembly with a bore, a valve member moveable between an open position and a closed position, and a valve stem coupled to the valve member. A first stem packing circumscribes a portion of the valve stem, and is located in an upper bore portion of the bore. A first packing retainer has a collar that limits axial movement of the first stem packing, and also has a first retainer body defining an inner cavity. A second stem packing circumscribes a portion of the valve stem and is located in the inner cavity of the first packing retainer. A second packing retainer has a neck compressingly engaging the second stem packing, and a retainer shoulder that engages the first packing retainer. A retaining assembly is coupled with the valve body assembly for applying axial force to the second packing retainer.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: May 24, 2016
    Assignee: GE Oil & Gas Pressure Control LP
    Inventors: Andrew Browne Helvenston, Robert Kevin Law, Mark Anthony Viator, Keith Adams, Rolando Farinas
  • DUAL SEAL FIRE SAFE STEM PACKING ORIENTATION
    Publication number: 20150144823
    Abstract: A valve with a packing assembly includes a valve body assembly with a bore, a valve member moveable between an open position and a closed position, and a valve stem coupled to the valve member. A first stem packing circumscribes a portion of the valve stem, and is located in an upper bore portion of the bore. A first packing retainer has a collar that limits axial movement of the first stem packing, and also has a first retainer body defining an inner cavity. A second stem packing circumscribes a portion of the valve stem and is located in the inner cavity of the first packing retainer. A second packing retainer has a neck compressingly engaging the second stem packing, and a retainer shoulder that engages the first packing retainer. A retaining assembly is coupled with the valve body assembly for applying axial force to the second packing retainer.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 28, 2015
    Applicant: GE Oil & Gas Pressure Control LP
    Inventors: Andrew Browne Helvenston, Robert Kevin Law, Mark Anthony Viator, Keith Adams, Rolando Farinas