Patents by Inventor Ismail Fawaz

Ismail Fawaz 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).

  • Fluid-directing multiport rotary valve
    Patent number: 6719001
    Abstract: A rotary valve for directing fluid streams which has a circular stationary head having at least one and desirably multiple primary ports for connection with fluid streams at least one secondary port. The stationary head includes a number of first circular concentric channels formed therein and at least one second concentric channel. The first and second channels are associated with the primary and secondary ports, respectively. A rotatable head is provided having radial chambers, each having a first and second port for connection between a first channel and a secondary port. The rotatable head rotates against the stationary head and channels in a fluid sealed manner. An indexable drive rotates the rotatable head to interconnect predetermined primary channels and secondary ports. The timing of rotation can be continuous or intermittent depending upon the associated process of the fluid streams.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: April 13, 2004
    Assignee: Calgon Carbon Corporation
    Inventors: Brad Kevin Ahlgren, Charles B. Snyder, Ismail Fawaz
  • Fluid-directing multiport rotary valve
    Publication number: 20030062084
    Abstract: A rotary valve for directing fluid streams which has a circular stationary head having at least one and desirably multiple primary ports for connection with fluid streams at least one secondary port. The stationary head includes a number of first circular concentric channels formed therein and at least one second concentric channel. The first and second channels are associated with the primary and secondary ports, respectively. A rotatable head is provided having radial chambers, each having a first and second port for connection between a first channel and a secondary port. The rotatable head rotates against the stationary head and channels in a fluid sealed manner. An indexable drive rotates the rotatable head to interconnect predetermined primary channels and secondary ports. The timing of rotation can be continuous or intermittent depending upon the associated process of the fluid streams.
    Type: Application
    Filed: August 12, 2002
    Publication date: April 3, 2003
    Inventors: Brad Kevin Ahlgren, Charles B. Snyder, Ismail Fawaz
  • Fluid-directing multiport rotary valve
    Patent number: 6431202
    Abstract: A rotary valve for directing fluid streams which has a circular stationary head having at least one and desirably multiple primary ports for connection with fluid streams at least one secondary port. The stationary head includes a number of first circular concentric channels formed therein and at least one second concentric channel. The first and second channels are associated with the primary and secondary ports, respectively. A rotatable head is provided having radial chambers, each having a first and second port for connection between a first channel and a secondary port. The rotatable head rotates against the stationary head and channels in a fluid sealed manner. An indexable drive rotates the rotatable head to interconnect predetermined primary channels and secondary ports. The timing of rotation can be continuous or intermittent depending upon the associated process of the fluid streams.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: August 13, 2002
    Assignee: Calgon Carbon Corporation
    Inventors: Brad Kevin Ahlgren, Charles B. Snyder, Ismail Fawaz