Patents by Inventor Imtiaz S. Shaha

Imtiaz S. Shaha 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: 11122957
    Abstract: A warewash machine includes a chamber with a wash zone and front, left and right access openings. At least one spray arm is disposed to spray liquid toward the wash zone. A multi-sided hood assembly includes movable front, left, right and top wall sections, and is movable between a lowered and closed position for washing and a raised open position for inlet and outlet of wares. A stationary chamber rear wall includes an outlet opening fluidly connected with a vapor extraction unit at a back side of the rear wall. The vapor extraction unit includes an enclosure with a condenser therein, wherein incoming water to the machine from a cold water input passes through the condenser, wherein the enclosure includes an air outlet to surrounding ambient environment and at least one air mover.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: September 21, 2021
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Andrew J. Carpenter, Imtiaz S. Shaha, Jeffrey R. Newcomer
  • Publication number: 20190191958
    Abstract: A warewash machine includes a chamber with a wash zone and front, left and right access openings. At least one spray arm is disposed to spray liquid toward the wash zone. A multi-sided hood assembly includes movable front, left, right and top wall sections, and is movable between a lowered and closed position for washing and a raised open position for inlet and outlet of wares. A stationary chamber rear wall includes an outlet opening fluidly connected with a vapor extraction unit at a back side of the rear wall. The vapor extraction unit includes an enclosure with a condenser therein, wherein incoming water to the machine from a cold water input passes through the condenser, wherein the enclosure includes an air outlet to surrounding ambient environment and at least one air mover.
    Type: Application
    Filed: December 17, 2018
    Publication date: June 27, 2019
    Inventors: Andrew J. Carpenter, Imtiaz S. Shaha, Jeffrey R. Newcomer
  • Patent number: 7753009
    Abstract: An appliance having an enclosure arranged to receive articles to be treated also includes a water container and a steam chamber with a steam outlet. A water dispenser is arranged to dispense water from the water container to the steam chamber. A heating element is thermally associated with the steam chamber. A control is arranged to selectively operate the heating element. A steam path extends between the steam outlet and the enclosure. A chemical dispenser is positioned along the steam path. The heating element heats water in the steam chamber to create steam, and the chemical dispenser adds a chemical to the steam as the steam passes through the steam path.
    Type: Grant
    Filed: October 19, 2006
    Date of Patent: July 13, 2010
    Assignee: Whirlpool Corporation
    Inventors: Mir A. Quddus, Hamid Ghanei, Imtiaz S. Shaha, Anthony H. Hardaway
  • Publication number: 20080092602
    Abstract: An appliance having an enclosure arranged to receive articles to be treated also includes a water container and a steam chamber with a steam outlet. A water dispenser is arranged to dispense water from the water container to the steam chamber. A heating element is thermally associated with the steam chamber. A control is arranged to selectively operate the heating element. A steam path extends between the steam outlet and the enclosure. A chemical dispenser is positioned along the steam path. The heating element heats water in the steam chamber to create steam, and the chemical dispenser adds a chemical to the steam as the steam passes through the steam path.
    Type: Application
    Filed: October 19, 2006
    Publication date: April 24, 2008
    Inventors: Mir A. Quddus, Hamid Ghanei, Imtiaz S. Shaha, Anthony H. Hardaway