Patents by Inventor Francis Johnson

Francis Johnson 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: 10748687
    Abstract: A method of forming a component having a variation in saturation magnetization is presented. The method includes selectively diffusing nitrogen into a metallic component of a masked metallic component by exposing the masked metallic component to a nitrogen-rich atmosphere. The masked metallic component includes a patterned oxide layer formed on a surface of the metallic component, and the patterned oxide layer includes an oxide of a metal present in the metallic component. A related component is also presented.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 18, 2020
    Assignee: General Electric Company
    Inventors: Wanming Zhang, Min Zou, Francis Johnson
  • Patent number: 10749385
    Abstract: An AC electric machine that includes a dual magnetic phase material ring is disclosed. The AC electric machine includes a stator assembly and a rotor assembly positioned within the stator assembly and configured to rotate relative thereto, the rotor assembly comprising a rotor core including a stack of rotor laminations that collectively form the rotor core, the rotor core including a plurality of rotor poles separated by gaps therebetween. The AC electric machine also includes a dual magnetic phase material ring positioned about the stack of rotor laminations, the dual magnetic phase material ring comprising a first ring portion comprising a magnetic portion and a second ring portion comprising a non-magnetic portion.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: August 18, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Patel Bhageerath Reddy, Min Zou, Ayman Mohamed Fawzi El-Refaie, Francis Johnson
  • Patent number: 10673288
    Abstract: A method includes forming one or more oxide barrier layers on one or more protected portions of a magnetic, metallic body, and converting one or more unprotected portions of the magnetic, metallic body to a less magnetic material by exposing the magnetic metallic body having the one or more oxide barrier layers formed thereon to nitrogen. One or more protected portions of the magnetic, metallic body that are beneath the one or more oxide barrier layers are not converted to the less magnetic material. The method can be used to form one or more layers of a laminated electric motor.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: June 2, 2020
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Lawrence Bernard Kool, Min Zou, Wanming Zhang, Susan Corah, Christopher Klapper, Francis Johnson, Steve Buresh
  • Patent number: 10669227
    Abstract: This invention provides a compound having the structure wherein ?, ?, X, Y, and R1-R11 are defined herein. This invention also provides a pharmaceutical composition comprising the above compounds, a method of inhibiting the activity and/or levels of a matrix metalloproteinase (MMP), a method of inhibiting the production of a cytokine in a population of cells, a method of inhibiting the production of a growth factor in a population of cells, and a method of inhibiting NF?-B activation in a population of cells.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: June 2, 2020
    Assignee: THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK
    Inventors: Francis Johnson, Lorne Golub
  • Publication number: 20190341821
    Abstract: A magnetic component having a unitary structure, a transverse flux electric machine having the magnetic component, and a method of making the magnetic component are disclosed. The unitary structure of the magnetic component includes a magnetic region and a non-magnetic region. The magnetic region includes a magnetic phase and an electrically insulating phase. The non-magnetic region includes a non-magnetic phase. The magnetic phase includes a metallic material and the non-magnetic phase includes a nitrogenated metallic material formed by a controlled nitrogenation of the metallic material.
    Type: Application
    Filed: May 7, 2018
    Publication date: November 7, 2019
    Inventors: Francis Johnson, Mohamed Osama, Francesco Papini
  • Publication number: 20190311852
    Abstract: A method of heat-treating an additively-manufactured ferromagnetic component is presented and a related ferromagnetic component is presented. A saturation flux density of a heat-treated ferromagnetic component is greater than a saturation flux density of an as-formed ferromagnetic component. The heat-treated ferromagnetic component is further characterized by a plurality of grains such that at least 25% of the plurality of grains have a median grain size less than 10 microns and 25% of the plurality of grains have a median grain size greater than 25 microns.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 10, 2019
    Inventors: Francis Johnson, Mohamed Osama, Anoop Kumar Jassal, Raghavendra Rao Adharapurapu
  • Publication number: 20190279795
    Abstract: A method of forming a component having a variation in saturation magnetization is presented. The method includes selectively diffusing nitrogen into a metallic component of a masked metallic component by exposing the masked metallic component to a nitrogen-rich atmosphere. The masked metallic component includes a patterned oxide layer formed on a surface of the metallic component, and the patterned oxide layer includes an oxide of a metal present in the metallic component. A related component is also presented.
    Type: Application
    Filed: March 12, 2018
    Publication date: September 12, 2019
    Inventors: Wanming Zhang, Min Zou, Francis Johnson
  • Patent number: 10399993
    Abstract: This invention provides compounds having the structure which may be used for the treatment of tumors.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: September 3, 2019
    Assignee: Lixte Biotechnology, Inc.
    Inventors: John S. Kovach, Francis Johnson
  • Patent number: 10392945
    Abstract: The present disclosure is directed to a cooling system for a turbomachine. The cooling system includes a turbomachine component defining a turbomachine component cavity. The cooling system also includes an insert positioned within the turbomachine component cavity for cooling the turbomachine component. The insert includes an insert body and a spring body. The spring body includes a first portion fixedly coupled to the insert body, a second portion in sliding engagement with the turbomachine component, and a third portion in sliding engagement with the insert body.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: August 27, 2019
    Assignee: General Electric Company
    Inventors: Sandip Dutta, Scott Francis Johnson, Joseph Anthony Weber
  • Patent number: 10344138
    Abstract: A biodegradable material is capable of recovery and recycling by dissolution in water at a temperature 40° C. or higher. The material is insoluble in water at 25° C. The material includes one or both of virgin or scrap polyvinyl alcohol material resultant from manufacture of an article composed of polyvinyl alcohol, or a waste stream containing polyvinyl alcohol material.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: July 9, 2019
    Assignee: Aquapak Polymers Limited
    Inventors: Anthony Francis Johnson, Stephen Sik Fan Wong
  • Patent number: 10316120
    Abstract: The invention describes a method for the manufacture of a plasticized polyvinyl alcohol polymer mixture, the method including the steps of introducing a polyvinyl alcohol polymer with a degree of hydrolysis of at least 98 wt % or a blend of the polyvinyl alcohol polymer into a mixing reactor; reacting a reaction mixture comprising a processing agent, plasticizer and polyvinyl alcohol polymer in a reaction zone to form plasticized polyvinyl alcohol polymer; wherein the processing agent is water, or a mixture of water and one or more C1-C4 alcohols or other hydroxyl compounds wherein the boiling point of the processing agent is less than the boiling point of the plasticizer; wherein the processing agent is from 3 wt % to 18 wt % in the reaction mixture; and allowing the plasticized polyvinyl alcohol polymer mixture to pass from the mixing reactor.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: June 11, 2019
    Assignee: Aquapak Polymer Limited
    Inventors: Anthony Francis Johnson, Stephen Sik Fan Wong
  • Publication number: 20190170407
    Abstract: A magnetic cooling system is presented. The system includes at least one magnetic assembly, at least one magnetic regenerator including a magnetocaloric material, movably arranged in a closed loop to cyclically pass through the at least one magnetic assembly and a fluid supply device in fluid communication with the at least one magnetic assembly to supply a cooling fluid to the at least one magnetic assembly. A turbine assembly including a magnetic cooling system disposed in a path of an inlet air to a turbine system is also presented.
    Type: Application
    Filed: December 4, 2017
    Publication date: June 6, 2019
    Inventors: Jalal Hunain Zia, Francis Johnson, Marco Santini, Vijay Kumar Srivastava, Kimberly Nicole Hammer
  • Patent number: 10229776
    Abstract: A magnetic component including first and second regions, and a method of varying the magnetization values in different regions of the magnetic component are disclosed. The first and the second regions are characterized by a nitrogen content that is different from each other. At least one of the first region and the second region is partially-magnetic and has a nitrogen content in a range from about 0.1 weight % to about 0.4 weight % of that region. A concentration of carbon, if present, of both the first and second regions is less than about 0.05 weight % of the respective regions.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 12, 2019
    Assignee: General Electric Company
    Inventors: Francis Johnson, Min Zou, Patel Bhageerath Reddy, James Pellegrino Alexander, Ayman Mohamed Fawzi EL-Refaie
  • Patent number: 10229777
    Abstract: A magnetic component including at least one region is disclosed. The at least one region includes nitrogen and a concentration of the nitrogen in the at least one region is graded across a dimension of the at least one region. Further, a saturation magnetization in the at least one region is graded across the dimension of the at least one region. Further, a method of varying the magnetization values in at least one region of the magnetic component is disclosed.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: March 12, 2019
    Assignee: General Electric Company
    Inventors: Min Zou, Francis Johnson, Patel Bhageerath Reddy, James Pellegrino Alexander, Ayman Mohamed Fawzi EL-Refaie, Wanming Zhang
  • Patent number: 10190206
    Abstract: A magnetic component having intermixed first and second regions, and a method of preparing that magnetic component are disclosed. The first region includes a magnetic phase and the second region includes a non-magnetic phase. The method includes mechanically masking pre-selected sections of a surface portion of the component by using a nitrogen stop-off material and heat-treating the component in a nitrogen-rich atmosphere at a temperature greater than about 900° C. Both the first and second regions are substantially free of carbon, or contain only limited amounts of carbon; and the second region includes greater than about 0.1 weight % of nitrogen.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: January 29, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Laura Cerully Dial, Richard DiDomizio, Francis Johnson
  • Publication number: 20180370983
    Abstract: This invention provides compounds having the structure which may be used for the treatment of tumors.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 27, 2018
    Applicant: LIXTE BIOTECHNOLOGY, INC.
    Inventors: John S. KOVACH, Francis JOHNSON
  • Publication number: 20180337565
    Abstract: An AC electric machine that includes a dual magnetic phase material ring is disclosed. The AC electric machine includes a stator assembly and a rotor assembly positioned within the stator assembly and configured to rotate relative thereto, the rotor assembly comprising a rotor core including a stack of rotor laminations that collectively form the rotor core, the rotor core including a plurality of rotor poles separated by gaps therebetween. The AC electric machine also includes a dual magnetic phase material ring positioned about the stack of rotor laminations, the dual magnetic phase material ring comprising a first ring portion comprising a magnetic portion and a second ring portion comprising a non-magnetic portion.
    Type: Application
    Filed: May 18, 2017
    Publication date: November 22, 2018
    Inventors: Patel Bhageerath Reddy, Min Zou, Ayman Mohamed Fawzi EL-Refaie, Francis Johnson
  • Publication number: 20180334910
    Abstract: The present disclosure is directed to a cooling system for a turbomachine. The cooling system includes a turbomachine component defining a turbomachine component cavity. The cooling system also includes an insert positioned within the turbomachine component cavity for cooling the turbomachine component. The insert includes an insert body and a spring body. The spring body includes a first portion fixedly coupled to the insert body, a second portion in sliding engagement with the turbomachine component, and a third portion in sliding engagement with the insert body.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 22, 2018
    Inventors: Sandip Dutta, Scott Francis Johnson, Joseph Anthony Weber
  • Patent number: 10126025
    Abstract: A magneto-caloric assembly can include a first region including a first magneto-caloric material, a second region disposed on the first region and including a second magneto-caloric material and a first matrix material, and a third region disposed on the second region and including a thermally conductive material.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: November 13, 2018
    Assignee: HAIER US APPLIANCE SOLUTIONS, INC.
    Inventors: Mamatha Nagesh, Atanu Saha, Francis Johnson
  • Publication number: 20180230607
    Abstract: The present invention is directed to composite nanoparticles comprising a metal, a rare earth element, and, optionally, a complexing ligand. The invention is also directed to composite nanoparticles having a core-shell structure and to processes for preparation of composite nanoparticles of the invention.
    Type: Application
    Filed: April 10, 2018
    Publication date: August 16, 2018
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Binil Itty Ipe Kandapallil, Lakshmi Krishnan, Francis Johnson