Patents by Inventor Ian Baker

Ian Baker 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: 8172126
    Abstract: A method of joining at least two parts includes steps of dispersing a joining material comprising a multi-phase nanocrystalline magnetic metal-aluminum powder at an interface between the at least two parts to be joined and applying an alternating magnetic field (AMF). The AMF has a magnetic field strength and frequency suitable for inducing magnetic hysteresis losses in the metal-aluminum powder and is applied for a period that raises temperature of the metal-aluminum powder to an exothermic transformation temperature. At the exothermic transformation temperature, the metal-aluminum powder melts and resolidifies as a metal aluminide solid having a non-magnetic configuration.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: May 8, 2012
    Assignee: The Trustees of Dartmouth College
    Inventor: Ian Baker
  • Publication number: 20120090740
    Abstract: Nanostructured Mn—Al, Mn—Al—C permanent magnets are disclosed. The magnets have high coercivities (about 4.8 kOe and 5.2 kOe) and high magnetization values. An intennetallic composition includes a ternary transition metal modified manganese aluminum alloy Mn—Al—Fe, Mn—Al—Ni, or Mn—Al—Co having at least about 80% of a magnetic ? phase and permanent magnetic properties. The alloy may have a saturation magnetization value of at least 96 emu/g with approximately 5% ternary transition metal replacing Al. The alloy may also have a saturation magnetization value of at least 105 emu/g with 10% ternary transition metal replacing Al.
    Type: Application
    Filed: December 16, 2011
    Publication date: April 19, 2012
    Inventor: Ian Baker
  • Publication number: 20120003114
    Abstract: A bulky consolidated nanostructured manganese aluminum alloy includes at least about 80% of a magnetic ? phase and having a macroscopic composition of MnXAlYDoZ, where Do is a dopant, X ranges from 52-58 atomic %, Y ranges from 42-48 atomic %, and Z ranges from 0 to 3 atomic %. A method for producing a bulky nanocrystalline solid is provided. The method includes melting a mixture of metals to form a substantially homogenous solution. The method also includes casting the solution to form ingots, measuring compositions of the ingots; crushing the ingots to form crushed powders, and milling the crushed powders to form nanocrystalline powders. The method further includes verifying the presence of ? phase and determining the amount of the ? phase, and simultaneously consolidating the nanocrystalline powders into a bulky nanocrystalline solid and undergoing phase transformation from ? phase to at least 80% ? phase, ? and ?2 phases.
    Type: Application
    Filed: June 20, 2011
    Publication date: January 5, 2012
    Inventors: Ian Baker, Qi Zeng
  • Publication number: 20110273176
    Abstract: This invention provides a system and method that improves the sensitivity and localization capabilities of Magnetic Particle Imaging (MPI) by using combinations of time-varying and static magnetic fields. Combinations of magnetic fields can be used to distribute the signals coming from the magnetic particles among the harmonics and other frequencies in specific ways to improve sensitivity and to provide localization information to speed up or improve the signal-to-noise ratio (SNR) of imaging and/or eliminate the need for saturation fields currently used in MPI. In various embodiments, coils can be provided to extend the sub-saturation region in which nanoparticles reside; to provide a static field offset to bring nanoparticles nearer to saturation; to introduce even and odd harmonics that can be observed; and/or to introduce combinations of frequencies for more-defined observation of signals from nanoparticles.
    Type: Application
    Filed: July 6, 2011
    Publication date: November 10, 2011
    Applicant: MARY HITCHCOCK MEMORIAL HOSPITAL
    Inventors: John B. Weaver, Ian Baker, Eric W. Hansen
  • Patent number: 7994786
    Abstract: This invention provides a system and method that improves the sensitivity and localization capabilities of Magnetic Particle Imaging (MPI) by using combinations of time-varying and static magnetic fields. Combinations of magnetic fields can be used to distribute the signals coming from the magnetic particles among the harmonics and other frequencies in specific ways to improve sensitivity and to provide localization information to speed up or improve the signal-to-noise ratio (SNR) of imaging and/or eliminate the need for saturation fields currently used in MPI. In various embodiments, coils can be provided to extend the sub-saturation region in which nanoparticles reside; to provide a static field offset to bring nanoparticles nearer to saturation; to introduce even and odd harmonics that can be observed; and/or to introduce combinations of frequencies for more-defined observation of signals from nanoparticles.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: August 9, 2011
    Assignee: Mary Hitchcock Memorial Hospital
    Inventors: John B. Weaver, Ian Baker, Eric W. Hansen
  • Publication number: 20110104073
    Abstract: The present invention is a nanoparticle composition composed of an iron core with an iron oxide shell which is optionally coated with a micro-emulsion. The disclosed nanoparticle compositions are disclosed for use in hyperthermia treatment and imaging of cancer.
    Type: Application
    Filed: September 13, 2010
    Publication date: May 5, 2011
    Inventors: Qi Zeng, Ian Baker
  • Publication number: 20110079631
    Abstract: A method of joining at least two parts includes steps of dispersing a joining material comprising a multi-phase nanocrystalline magnetic metal-aluminum powder at an interface between the at least two parts to be joined and applying an alternating magnetic field (AMF). The AMF has a magnetic field strength and frequency suitable for inducing magnetic hysteresis losses in the metal-aluminum powder and is applied for a period that raises temperature of the metal-aluminum powder to an exothermic transformation temperature. At the exothermic transformation temperature, the metal-aluminum powder melts and resolidifies as a metal aluminide solid having a non-magnetic configuration.
    Type: Application
    Filed: May 19, 2009
    Publication date: April 7, 2011
    Applicant: The Trustees of Dartmouth College
    Inventor: Ian Baker
  • Publication number: 20110041967
    Abstract: Alloys, formed by a eutectic transformation of the type Fe25-35 Ni15-25 Mn30-40 Al10-20 MO-5, are disclosed. M is selected from chromium, molybdenum, carbon and combinations thereof. The alloys have high strength and ductility. The alloys are prepared from readily available transition metals, and can be used in applications where properties similar to steel are necessary or advantageous.
    Type: Application
    Filed: February 13, 2009
    Publication date: February 24, 2011
    Applicant: THE TRUSTEES OF DARTMOUTH COLLEGE
    Inventors: Ian Baker, Yifeng Liao
  • Patent number: 7815850
    Abstract: Biphasic alloys, formed through a spinodal decomposition process, are disclosed. The alloys have improved strength and hardness, over single phase alloys, due to coherency strain between the phases. They are prepared from readily available transition metals, and they can be used to make large, high-strength parts, for example, of types that cannot be made by extrusion, forging or cold working techniques.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: October 19, 2010
    Assignee: The Trustees of Dartmouth College
    Inventors: Ian Baker, Markus Wolfgang Wittmann, James Anthony Hanna
  • Publication number: 20100218858
    Abstract: Nanostructured Mn—Al and Mn—Al—C permanent magnets are disclosed. The magnets have high coercivities (˜4.8 kOe and 5.2 kOe, respectively) and high saturation magnetization values. The magnets are prepared from cost effective and readily available elements using a novel mechanical milling and annealing method.
    Type: Application
    Filed: October 27, 2006
    Publication date: September 2, 2010
    Inventors: Ian Baker, Qi Zeng
  • Publication number: 20100047180
    Abstract: The present invention is a nanoparticle composition composed of an iron core with an iron oxide shell which is optionally coated with a micro-emulsion. The disclosed nanoparticle compositions are disclosed for use in hyperthermia treatment and imaging of cancer.
    Type: Application
    Filed: January 9, 2008
    Publication date: February 25, 2010
    Inventors: Qi Zeng, Ian Baker
  • Publication number: 20090115415
    Abstract: This invention provides a system and method that improves the sensitivity and localization capabilities of Magnetic Particle Imaging (MPI) by using combinations of time-varying and static magnetic fields. Combinations of magnetic fields can be used to distribute the signals coming from the magnetic particles among the harmonics and other frequencies in specific ways to improve sensitivity and to provide localization information to speed up or improve the signal-to-noise ratio (SNR) of imaging and/or eliminate the need for saturation fields currently used in MPI. In various embodiments, coils can be provided to extend the sub-saturation region in which nanoparticles reside; to provide a static field offset to bring nanoparticles nearer to saturation; to introduce even and odd harmonics that can be observed; and/or to introduce combinations of frequencies for more-defined observation of signals from nanoparticles.
    Type: Application
    Filed: June 18, 2008
    Publication date: May 7, 2009
    Applicant: DARTMOUTH-HITCHCOCK CLINIC
    Inventors: John B. Weaver, Ian Baker, Eric W. Hansen
  • Publication number: 20070257544
    Abstract: A cutting tool (10) comprises a shank (12) for receiving a cutting insert (14) and a block (16) for delivering a flow of fluid to the cutting insert (14). Fluid is delivered to the cutting insert (14) though a fluid passageway (18) that extends through the shank (12) and the block (16). The block (16) is pivotable mounted on the shank (12). The block (16) pivots about screw (22) between a first and a second position. In the first position the block (16) is held in sealing arrangement with the shank (12) to allow the passage of a coolant through the fluid passage (18) to the cutting insert (14). In the second position the block (16) has moved to allow removal of the cutting insert (14) from the shank (12).
    Type: Application
    Filed: July 17, 2007
    Publication date: November 8, 2007
    Inventors: Ian Baker, Stephen Heatherglen
  • Publication number: 20070187010
    Abstract: Biphasic alloys, formed through a spinodal decomposition process, are disclosed. The alloys have improved strength and hardness, over single phase alloys, due to coherency strain between the phases. They are prepared from readily available transition metals, and they can be used to make large, high-strength parts, for example, of types that cannot be made by extrusion, forging or cold working techniques.
    Type: Application
    Filed: September 7, 2006
    Publication date: August 16, 2007
    Inventors: Ian Baker, Markus Wittmann, James Hanna
  • Publication number: 20040213781
    Abstract: The present invention generally relates to molecules having Fc binding ability such as those with Fc receptor-like activity. The present invention also relates to the molecules, nucleic acids encoding the molecules, antagonist compounds, pharmaceutical compositions comprising the molecules and compounds, methods for testing potential antagonists, methods for producing the polypeptides, methods of treatment of disease and other aspects.
    Type: Application
    Filed: July 31, 2003
    Publication date: October 28, 2004
    Inventors: Phillip Mark Hogarth, Ian Farquhar Campbell McKenzie, Ross Ian Baker, Mark Darren Hulett, Maree Sharne Powell