Patents by Inventor Ashfaq M. Mir

Ashfaq M. Mir 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).

  • Patent number: 7628381
    Abstract: The present invention provides a method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing. The method for replacing blade seals in a gate valve features coupling a valve housing of the gate valve to suitable plumbing, the valve housing having a removable blade seal cartridge slidably arranged and latched therein in order to receive a movable blade of a drive unit of the valve gate to control the flow of the medium through the valve gate and to prevent the medium from entering the drive unit; and unlatching the removable blade seal cartridge from the valve housing so as to enable replacement of the blade seal cartridge without having to remove the valve housing from the suitable plumbing.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: December 8, 2009
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: David L. Phillips, Ashfaq M. Mir, Rufino Naval, Jr.
  • Patent number: 7600739
    Abstract: The present invention provides a gate valve for controlling the flow of a medium through suitable plumbing, featuring a valve housing for coupling the gate valve to the suitable plumbing; a detachable drive unit having a movable blade arranged therein; detachable blade seals for slidably arranging in the valve housing in order to receive the movable blade to control the flow of the medium through the gate valve and to prevent the medium from entering the drive unit; and a latching mechanism for detachably coupling both the drive unit and blade seals to and from the valve housing so as to replace either the drive unit, the blade seals, or both, without having to remove the gate valve from the suitable plumbing.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: October 13, 2009
    Assignee: ITT Manufacturing Enterprises, Inc.
    Inventors: David L. Phillips, Ashfaq M. Mir, Rufino Naval, Jr.
  • Publication number: 20080230124
    Abstract: The present invention provides a method for replacing seals in recreational vehicles gate valves without removing valve housing from plumbing. The method for replacing blade seals in a gate valve features coupling a valve housing of the gate valve to suitable plumbing, the valve housing having a removable blade seal cartridge slidably arranged and latched therein in order to receive a movable blade of a drive unit of the valve gate to control the flow of the medium through the valve gate and to prevent the medium from entering the drive unit; and unlatching the removable blade seal cartridge from the valve housing so as to enable replacement of the blade seal cartridge without having to remove the valve housing from the suitable plumbing.
    Type: Application
    Filed: March 23, 2007
    Publication date: September 25, 2008
    Inventors: David L. Phillips, Ashfaq M. Mir, Rufino Naval
  • Publication number: 20080230125
    Abstract: The present invention provides a gate valve for controlling the flow of a medium through suitable plumbing, featuring a valve housing for coupling the gate valve to the suitable plumbing; a detachable drive unit having a movable blade arranged therein; detachable blade seals for slidably arranging in the valve housing in order to receive the movable blade to control the flow of the medium through the gate valve and to prevent the medium from entering the drive unit; and a latching mechanism for detachably coupling both the drive unit and blade seals to and from the valve housing so as to replace either the drive unit, the blade seals, or both, without having to remove the gate valve from the suitable plumbing.
    Type: Application
    Filed: March 22, 2007
    Publication date: September 25, 2008
    Inventors: David L. Phillips, Ashfaq M. Mir, Rufino Naval