Patents by Inventor Firdosh Mehta

Firdosh Mehta 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).

  • Yoke type quick opening closure
    Patent number: 8308011
    Abstract: A yoke type quick opening closure is provided. A torque bolt shares loads of the yoke with a drawbolt, and a separate safety bolt is provided. A common wrench interface feature is also provided.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: November 13, 2012
    Assignee: Perry Equipment Corporation
    Inventors: Firdosh Mehta, Donald W. Ray
  • Closure for an equipment sub
    Patent number: 8297463
    Abstract: A closure is shown for an equipment sub. A closure door is carried by a sub body and movable thereto between open and closed positions for providing access to a pressure vessel. Various improvements are disclosed including a new mechanism for positioning wedge shaped arcuate segments between the door and the sub body, a retainer mechanism for guiding movement of cross bars, a split hinge adjustment mechanism for adjusting planarity and concentricity between the closure door and the sub body, an increased annular wall body thickness region surrounding the sealing surface for reducing warpage during welding, a pressure lock rod member which also engages a combination of cross bars and a crank for driving the cross bars, and a pry bar that can facilitate better manually operated leveraging of the closure door.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: October 30, 2012
    Assignee: Perry Equipment Corporation
    Inventors: James G. McQuaid, Donald W. Ray, Firdosh Mehta P E
  • Yoke Type Quick Opening Closure
    Publication number: 20100025404
    Abstract: A yoke type quick opening closure is provided. A torque bolt shares loads of the yoke with a drawbolt, and a separate safety bolt is provided. A common wrench interface feature is also provided.
    Type: Application
    Filed: July 29, 2008
    Publication date: February 4, 2010
    Applicant: Perry Equipment Corporation
    Inventors: Firdosh Mehta, Donald W. Ray
  • Closure For An Equipment Sub
    Publication number: 20090260290
    Abstract: A closure is shown for an equipment sub. A closure door is carried by a sub body and movable thereto between open and closed positions for providing access to a pressure vessel. Various improvements are disclosed including a new mechanism for positioning wedge shaped arcuate segments between the door and the sub body, a retainer mechanism for guiding movement of cross bars, a split hinge adjustment mechanism for adjusting planarity and concentricity between the closure door and the sub body, an increased annular wall body thickness region surrounding the sealing surface for reducing warpage during welding, a pressure lock rod member which also engages a combination of cross bars and a crank for driving the cross bars, and a pry bar that can facilitate better manually operated leveraging of the closure door.
    Type: Application
    Filed: April 18, 2008
    Publication date: October 22, 2009
    Applicant: Perry Equipment Corporation
    Inventors: James G. McQuaid, Donald W. Ray, Firdosh Mehta PE