Patents by Inventor Gabriel Ivanescu

Gabriel Ivanescu 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).

  • TRUNNION-MOUNTED BALL VALVE WITH REVERSE-PISTON EFFECT
    Publication number: 20110147635
    Abstract: A trunnion-mounted ball valve, comprising a valve body including a central body and two opposite tubular sections, the central body having a body cavity and the tubular sections having respective ducts with a common longitudinal axis (A) and respective inner ends facing said body cavity, a trunnion-mounted ball rotatably connected to the valve body and rotatable about an axis of rotation orthogonal to said longitudinal axis between an open position and a closed position, the ball having a through hole which is aligned to said ducts in the open position and transversal to said ducts in the closed position, a first and a second seat ring each of which has a guide portion slidably engaging a respective tubular section in the direction of said longitudinal axis and a head portion, wherein one of said seat rings has a ball-side seal provided on said head portion, which establishes a sealing contact between the seat ring and the ball along a ball-side sealing diameter, and a body-side seal, provided on said guide p
    Type: Application
    Filed: December 20, 2010
    Publication date: June 23, 2011
    Inventors: Alberto Seveso, Gabriel Ivanescu
  • TRUNNION-MOUNTED BALL VALVE WITH A FLEXIBLE VALVE SEAT
    Publication number: 20110024662
    Abstract: A trunnion-mounted ball valve, comprising, a valve body including a central body and two opposite tubular sections, the central body having a body cavity and the tubular sections having respective ducts with a common longitudinal axis and respective inner ends facing said body cavity, a trunnion mounted ball rotatably connected to the valve body and rotatable about an axis of rotation orthogonal to said longitudinal axis between an open position and a closed position, the ball having a through hole which is aligned to said ducts in the open position and transversal to said ducts in the closed position, a first and a second seat ring each of which has a guide portion slidably engaging a respective tubular section in the direction of said longitudinal axis and a head portion having a valve seat, the valve seats of the first and second seat rings abutting on opposite sides of said ball, wherein the head portion of at least one of said seat rings has at least one annular groove directed radially with respect to s
    Type: Application
    Filed: July 29, 2010
    Publication date: February 3, 2011
    Inventors: Alberto Seveso, Gabriel Ivanescu