Patents by Inventor Zainab Kayat

Zainab Kayat 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: 8657897
    Abstract: A wet gas separator providing superior separation of entrained droplets of liquids in a gas stream when compared with prior art wet gas separators. The wet gas separator of the present invention has a combination of: a gas inlet system with vanes that divide and direct the gas stream very evenly across the cross-sectional area of the inlet portion of the apparatus, a first stage Z-shaped de-entraining device at the upstream side of a wire mesh mist eliminator, and a gas outlet system having cyclones for removal of traces of re-entrained droplets. The apparatus of the present invention has capability of improving processing throughput by 50% when compared with prior art apparatus, with greater de-entrainment efficiency (achieving 99.7% removal of droplets larger than 10 microns in size).
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: February 25, 2014
    Inventors: Zainab Kayat, Adam T. Lee, Farzad G. Tahmassi, Zakariah Bin Kasah, Hasni B. Haron
  • Patent number: 8286952
    Abstract: A vapor distributor for use in atmospheric or vacuum columns includes a new design of vapor inlet device, or vapor horn, to provide superior mixing and distribution of a tangential first feed and a vertical second feed. New vapor inlet device has an inlet dividing the first feed into two portions, each flowing in respective housings in opposed circulation directions, and a plurality of vanes for redirection of vapor. Mixing and distribution of feeds by the vapor distributor is further enhanced by inclusion in vapor distributor of a mixer and vapor directing plates.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: October 16, 2012
    Assignees: AMT International, Inc., Petroliam Nasional Berhad
    Inventors: Adam T. Lee, Farzad G. Tahmassi, Lindsey Vuong, Zainab Kayat, Mohd Rizal Bin Abdul Rahman, Arman Bin Anuar
  • Patent number: 8070142
    Abstract: A tray assembly is provided for improved gas/liquid contact when used in a large chemical process tower. Each tray has a downcomer wall of which the lower portion is a distributor. The distributor has discharge ports sized to control the rate of liquid flow at different positions across the distributor and flanges aligned individually to direct liquid flow from different discharge ports across different areas of the tray deck immediately below the downcomer. In combination, discharge ports and liquid flow directing flanges effect even liquid flow across the surface of the tray immediately below. Benefits of this invention are trays with better mass transfer efficiency and enhanced capacity compared with prior art trays.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: December 6, 2011
    Assignees: AMT International, Inc., Petroliam Nasional Berhad
    Inventors: Adam T. Lee, Larry W. Burton, Zainab Kayat, Pau Kiew Huai
  • Publication number: 20110209446
    Abstract: A wet gas separator providing superior separation of entrained droplets of liquids in a gas stream when compared with prior art wet gas separators. The wet gas separator of the present invention has a combination of: a gas inlet system with vanes that divide and direct the gas stream very evenly across the cross-sectional area of the inlet portion of the apparatus, a first stage Z-shaped de-entraining device at the upstream side of a wire mesh mist eliminator, and a gas outlet system having cyclones for removal of traces of re-entrained droplets. The apparatus of the present invention has capability of improving processing throughput by 50% when compared with prior art apparatus, with greater de-entrainment efficiency (achieving 99.7% removal of droplets larger than 10 microns in size).
    Type: Application
    Filed: June 29, 2009
    Publication date: September 1, 2011
    Inventors: Zainab Kayat, Adam T. Lee, Farzad G. Tahmassi, Zakariah bin Kasah, Hasni B. Haron
  • Publication number: 20100276821
    Abstract: A vapor distributor for use in atmospheric or vacuum columns includes a new design of vapor inlet device, or vapor horn, to provide superior mixing and distribution of a tangential first feed and a vertical second feed. New vapor inlet device has an inlet dividing the first feed into two portions, each flowing in respective housings in opposed circulation directions, and a plurality of vanes for redirection of vapor. Mixing and distribution of feeds by the vapor distributor is further enhanced by inclusion in vapor distributor of a mixer and vapor directing plates.
    Type: Application
    Filed: November 10, 2009
    Publication date: November 4, 2010
    Applicants: AMT INTERNATIONAL, INC., PETROLIAM NASIONAL BERHAD
    Inventors: Adam T. LEE, Farzad G. TAHMASSI, Lindsey VUONG, Zainab KAYAT, Mohd Rizal Bin Abdul RAHMAN, Arman Bin ANUAR
  • Publication number: 20090189301
    Abstract: A tray assembly is provided for improved gas/liquid contact when used in a large chemical process tower. Each tray has a downcomer wall of which the lower portion is a distributor. The distributor has discharge ports sized to control the rate of liquid flow at different positions across the distributor and flanges aligned individually to direct liquid flow from different discharge ports across different areas of the tray deck immediately below the downcomer. In combination, discharge ports and liquid flow directing flanges effect even liquid flow across the surface of the tray immediately below. Benefits of this invention are trays with better mass transfer efficiency and enhanced capacity compared with prior art trays.
    Type: Application
    Filed: January 24, 2008
    Publication date: July 30, 2009
    Applicant: AMT INTERNATIONAL, INC.
    Inventors: Adam T. LEE, Larry W. BURTON, Zainab KAYAT, Pau Kiew HUAI