Patents by Inventor Monica Zanfir

Monica Zanfir 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).

  • Publication number: 20240123420
    Abstract: The present disclosure relates to a furnace comprising: a plurality of groupings, wherein each grouping in the furnace is adjacent to each other and separated by a gap, wherein each grouping comprises: (a) one row of tubes and optionally additional rows of tubes comprising a plurality of tubes containing a catalyst for converting a gaseous feed, wherein each row of tubes is parallel to each other; (b) at least two rows of burners comprising having a first and second row of outer burners and optionally additional rows of burners comprising a plurality of burners, and as described herein, (c) wherein the plurality of burners within each grouping is configured such that the ratio of B/G is greater than 1.3 and the ratio of B/W is less than 1.3, wherein W, B and G are as defined herein.
    Type: Application
    Filed: October 12, 2022
    Publication date: April 18, 2024
    Inventors: Kelly Nicholson, Bo Jin, Monica Zanfir
  • Publication number: 20240101418
    Abstract: A method of operating a reformer furnace is disclosed. The method comprises using a carbon margin in balancing the furnace temperature thereby leading to carbon free formation operation and improved efficiency.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: Tushar P. Vispute, Monica Zanfir
  • Publication number: 20230167564
    Abstract: The disclosure relates, inter alia, to a system comprising: (1) an electric power grid; (2) an electrolyzer generating a first stream of hydrogen in communications link with the electric power grid; (3) hydrogen production means for producing a second stream of hydrogen, said hydrogen production means being a non-electrolyzer in communications link with the electrolyzer; (4) a first conduit leading to a hydrogen user through which hydrogen flows to the hydrogen user; (5) a second conduit connecting the electrolyzer to the first conduit through which hydrogen from the electrolyzer flows to the first conduit at a first location; (6) a third conduit distinct from the second conduit connecting the non-electrolyzer to the first conduit through which hydrogen from the non-electrolyzer flows to the first conduit at a second location distinct from the first location; and (7) means for controlling and maintaining a continuous flow of hydrogen to the hydrogen user.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 1, 2023
    Inventors: Dante P. Bonaquist, Monica Zanfir, John D. Sirman, Minish Mahendra Shah
  • Patent number: 11110424
    Abstract: A top-fired reformer box is provided. The top-fired reformer box includes a burner row, a tube row, a reformer tunnel including a closed end, an open end, and a plurality of tunnel ports formed along a side wall of the reformer tunnel, the plurality of tunnel ports including a one or more tunnel port located along the side of the tunnel, and a flow resistor positioned at least one tunnel port applying a flow resistance for flue gas entering the reformer tunnel via the at least one tunnel port such that uniform flow is achieved within the reformer tunnel.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: September 7, 2021
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Monica Zanfir, Bo Jin, Minish Mahendra Shah
  • Publication number: 20210148656
    Abstract: A top-fired reformer box is provided. The top-fired reformer box includes a burner row, a tube row, a reformer tunnel including a closed end, an open end, and a plurality of tunnel ports formed along a side wall of the reformer tunnel, the plurality of tunnel ports including a one or more tunnel port located along the side of the tunnel, and a flow resistor positioned at least one tunnel port applying a flow resistance for flue gas entering the reformer tunnel via the at least one tunnel port such that uniform flow is achieved within the reformer tunnel.
    Type: Application
    Filed: November 18, 2019
    Publication date: May 20, 2021
    Inventors: Monica Zanfir, Bo Jin, Minish Mahendra Shah
  • Publication number: 20140224192
    Abstract: Disclosed are methods for providing steam suitable for injecting into a subterranean oil well, wherein fuel is combusted within a conduit that contains the steam to provide direct heat transfer of the heat of combustion to the steam.
    Type: Application
    Filed: February 11, 2014
    Publication date: August 14, 2014
    Inventors: Lawrence E. Bool, III, Dante P. Bonaquist, Michael St. James, Raymond F. Drnevich, Monica Zanfir
  • Publication number: 20120148485
    Abstract: The present invention provides a steam methane reforming process and system utilizing an integrated steam system having both high pressure and low pressure steam circuits. According to this invention, substantially the entire stream of treated boiler feed water leaving the deaerator is pressurized and sent to the boiler feed water heater at elevated pressures. The resulting high pressure heated boiler feed water is split with a portion used as the feed to make low pressure steam and the balance is sent to the high pressure steam circuit.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 14, 2012
    Inventors: JEFFREY M. MORROW, MONICA ZANFIR, RAYMOND F. DRNEVICH
  • Publication number: 20090308073
    Abstract: The present invention relates to a system for carrying out oxygen-enhanced combustion in an industrial process wherein the industrial process, an oxygen supply system or a source of oxygen, a heat recovery network, and an alternative Rankine cycle system based on a working fluid other than steam are integrated to achieve improved throughput and efficiency, and a method for oxygen-enhanced combustion in an industrial process using said system. Examples of industrial processes include cement production, steel reheat applications, glass production, aluminum and copper melting, as well as any industrial process that uses process heater, furnaces where combustion is carried out using an oxidant stream with oxygen content higher’ than that in ambient air and up to 100%.
    Type: Application
    Filed: July 25, 2007
    Publication date: December 17, 2009
    Inventors: Dante Patrick Bonaquist, Minish Mahendra Shah, Vijayaraghavan Srinivasan Chakravarthy, Monica Zanfir, Raymond Francis Drnevich, Stefan Laux