Patents by Inventor Melania Marinescu

Melania Marinescu 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).

  • Methods for sequentially laminating rare earth permanent magnets with suflide-based dielectric layer
    Patent number: 9064625
    Abstract: Methods of manufacturing laminated, rare earth, permanent magnets with dielectric layers having increased electrical resistivity and improved mechanical strength suitable for use in high performance, rotating machines comprising sequentially laminating permanent magnet layers with transition and/or diffusion reaction layers; wherein the transition and/or diffusion reaction layers surround sulfide-based dielectric layers, thereby avoiding direct contact between the dielectric layers with permanent magnet layers.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: June 23, 2015
    Assignee: Electron Energy Corporation
    Inventors: Jinfang Liu, Chins Chinnasamy, Joshua L. Bender, Melania Marinescu
  • Rare Earth Laminated, Composite Magnets With Increased Electrical Rersistivity
    Publication number: 20150155082
    Abstract: Laminated, composite, permanent magnets comprising layers of permanent magnets separated by layers of dielectric or high electrical resistivity substances, wherein the laminated magnets indicate increased electrical resistivity compared to a magnet which does not include the dielectric or high electrical resistivity material layers.
    Type: Application
    Filed: November 24, 2014
    Publication date: June 4, 2015
    Inventors: Melania Marinescu, Jinfang Liu
  • Rare Earth Composite Magnets with Increased Resistivity
    Publication number: 20150132174
    Abstract: Dielectric rare earth fluorides are blended with rare earth magnet powders to produce high-resistivity fluoride composite rare earth magnets.
    Type: Application
    Filed: June 30, 2014
    Publication date: May 14, 2015
    Inventors: Melania Marinescu, Jinfang Liu, Alksandr Gabay, George C. Hadjipanyis
  • MAGNETIC NANOFLAKES
    Publication number: 20150104645
    Abstract: Magnetic nanoflakes fabricated by surfactant assisted, wet, high energy ball milling of bulk precursors, with or without preceding dry, high energy ball milling, wherein certain nanoflakes indicate hard magnetic properties, crystallographic texture and magnetic anisotropy.
    Type: Application
    Filed: December 17, 2014
    Publication date: April 16, 2015
    Inventors: Alexandr Gabay, Baozhi Cui, Melania Marinescu, Jinfang Liu, George C. Hadjipanayis
  • SEQUENTIALLY LAMINATED, RARE EARTH, PERMANENT MAGNETS WITH SULFIDE-BASED DIELECTRIC LAYERS AND REINFORCED BY DIFFUSION REACTION LAYERS
    Publication number: 20130038160
    Abstract: Laminated, mechanically strong, rare earth, permanent magnets with dielectric layers having increased electrical resistivity and improved mechanical strength suitable for use in high performance, rotating machines comprising sequential laminates of permanent magnet layers and transition and/or diffusion reaction layers; wherein the transition and/or diffusion reaction layers surround sulfide-based dielectric layers, thereby avoiding direct contact between the dielectric layers with permanent magnet layers.
    Type: Application
    Filed: August 9, 2011
    Publication date: February 14, 2013
    Inventors: Jinfang Liu, Chins Chinnasamy, Joshua L. Bender, Melania Marinescu
  • METHODS FOR SEQUENTIALLY LAMINATING RARE EARTH PERMANENT MAGNETS WITH SUFLIDE-BASED DIELECTRIC LAYER
    Publication number: 20130038159
    Abstract: Methods of manufacturing laminated, rare earth, permanent magnets with dielectric layers having increased electrical resistivity and improved mechanical strength suitable for use in high performance, rotating machines comprising sequentially laminating permanent magnet layers with transition and/or diffusion reaction layers; wherein the transition and/or diffusion reaction layers surround sulfide-based dielectric layers, thereby avoiding direct contact between the dielectric layers with permanent magnet layers.
    Type: Application
    Filed: August 9, 2011
    Publication date: February 14, 2013
    Inventors: Jinfang Liu, Chins Chinnasamy, Joshua L. Bender, Melania Marinescu
  • SEQUENTIALLY LAMINATED, RARE EARTH, PERMANENT MAGNETS WITH DIELECTRIC LAYERS REINFORCED BY TRANSITION AND/OR DIFFUSION REACTION LAYERS
    Publication number: 20130038164
    Abstract: Laminated, rare earth, permanent magnets with one or more dielectric layers, suitable for use in high performance, rotating machines comprising: sequential laminates of permanent magnet layers and dielectric layers separated by transition and/or diffusion reaction layers, where said sequentially laminated magnets indicate increased electrical resistivity with improved mechanical strength.
    Type: Application
    Filed: August 9, 2011
    Publication date: February 14, 2013
    Inventors: Jinfang Liu, Chins Chinnasamy, Joshua L. Bender, Melania Marinescu
  • Magnets made from nanoflake precursors
    Publication number: 20120019342
    Abstract: RE-TM based permanent magnets (single phase, hybrid, laminated or polymer bonded magnets) fabricated by using nanoflakes produced by surfactant assisted, wet, high energy ball-milling, with or without prior dry high energy ball-milling, where RE represents rare earth elements and TM represents transition metals.
    Type: Application
    Filed: July 21, 2010
    Publication date: January 26, 2012
    Inventors: Alexander Gabay, Baozhi Cui, Melania Marinescu, Jinfang Liu, George C. Hadjipanayis
  • COMPOSITE PERMANENT MAGNETS MADE FROM NANOFLAKES AND POWDERS
    Publication number: 20120019341
    Abstract: Composite RE-TM permanent magnets fabricated by using powders and nanoflakes produced by surfactant-assisted, wet, high energy, ball milling, with or without prior dry, high energy, ball milling; where RE represents rare earth elements and TM represents transition metals and where the powders include Fe nanoparticles, Fe—Co nanoparticles, B2O3, mica, MoS2, CaF2 powders and combinations thereof.
    Type: Application
    Filed: July 21, 2010
    Publication date: January 26, 2012
    Inventors: Alexandr Gabay, Baozhi Cui, Melania Marinescu, Jinfang Liu, George C. Hadjipanayis
  • MAGNETIC NANOFLAKES
    Publication number: 20120021219
    Abstract: Magnetic nanoflakes fabricated by surfactant assisted, wet, high energy ball milling of bulk precursors, with or without preceding dry, high energy ball milling, wherein certain nanoflakes indicate hard magnetic properties, crystallographic texture and magnetic anisotropy.
    Type: Application
    Filed: July 21, 2010
    Publication date: January 26, 2012
    Inventors: Alexander Gabay, Baozhi Cui, Melania Marinescu, Jinfang Liu, George C. Hadjipanayis
  • Rare Earth Laminated, Composite Magnets With Increased Electrical Resistivity
    Publication number: 20110200839
    Abstract: Laminated, composite, permanent magnets comprising layers of permanent magnets separated by layers of dielectric or high electrical resistivity substances, wherein the laminated magnets indicate increased electrical resistivity.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 18, 2011
    Inventors: Melania Marinescu, Jinfang Liu
  • Rare Earth Composite Magnets with Increased Resistivity
    Publication number: 20110057756
    Abstract: Dielectric rare earth fluorides are blended with rare earth magnet powders to produce high-resistivity fluoride composite rare earth magnets.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 10, 2011
    Applicant: ELECTRON ENERGY CORPORATION
    Inventors: Melania Marinescu, Jinfang Liu, Aleksandr Gabay, George C. Hadjipanayis