Patents by Inventor Ayman Abdel-Rehim

Ayman Abdel-Rehim 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).

  • Water heater and method of operating
    Patent number: 8763564
    Abstract: A water heater includes a storage tank for storing water, a combustion chamber, a burner positioned in the combustion chamber, and a heat exchanger positioned in the storage tank. The burner produces products of combustion. The heat exchanger receives the products of combustion from the combustion chamber and transfers heat from the products of combustion to the water stored in the storage tank. The heat exchanger includes an upper portion and a lower portion. The upper portion is positioned above the combustion chamber and the lower portion is positioned below the combustion chamber.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: July 1, 2014
    Assignee: A. O. Smith Corporation
    Inventors: Ayman Abdel-Rehim, Yonghua Cheng, Larry N. Chanasyk
  • WATER HEATER AND METHOD OF OPERATING
    Publication number: 20130112155
    Abstract: A water heater includes a storage tank for storing water, a combustion chamber, a burner positioned in the combustion chamber, and a heat exchanger positioned in the storage tank. The burner produces products of combustion. The heat exchanger receives the products of combustion from the combustion chamber and transfers heat from the products of combustion to the water stored in the storage tank. The heat exchanger includes an upper portion and a lower portion. The upper portion is positioned above the combustion chamber and the lower portion is positioned below the combustion chamber.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 9, 2013
    Inventors: Ayman Abdel-Rehim, Yonghua Cheng, Larry N. Chanasyk
  • Compact boiler with tankless heater for providing heat and domestic hot water and method of operation
    Patent number: 7007858
    Abstract: A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and bypass the heating circuit and circulate the boiler water through the heat exchanger to enable production of domestic hot water.
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: March 7, 2006
    Assignee: United Dominion Industries, Inc.
    Inventors: Shuqing Cui, Neil Rolph, Ayman Abdel-Rehim
  • Compact boiler with tankless heater for providing heat and domestic hot water and method of operation
    Publication number: 20040103854
    Abstract: A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and bypass the heating circuit and circulate the boiler water through the heat exchanger to enable production of domestic hot water.
    Type: Application
    Filed: July 14, 2003
    Publication date: June 3, 2004
    Applicant: United Dominion Industries, Inc.
    Inventors: Shuqing Cui, Noil Rolph, Ayman Abdel-Rehim
  • Compact boiler with tankless heater for providing heat and domestic hot water
    Patent number: 6647932
    Abstract: A small and compact boiler for providing hot water for indoor heating and domestic hot water and method of operation are provided. The boiler includes a three way valve configured to circulate boiler water through a heating circuit when indoor heat is required, and bypass the heating circuit and circulate the boiler water through the heat exchanger to enable production of domestic hot water.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: November 18, 2003
    Assignee: United Dominion Industries, Inc.
    Inventors: Shuqing Cui, Neil Rolph, Ayman Abdel-Rehim