Patents by Inventor Hubert K. Chow

Hubert K. Chow 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).

  • Process of fabricating metal spheres
    Patent number: 7422619
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: September 9, 2008
    Assignee: Accurus Scientific Co., Ltd.
    Inventor: Hubert K. Chow
  • Process of Fabricating Metal Spheres
    Publication number: 20080210054
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 4, 2008
    Inventor: Hubert K. Chow
  • Process for fabricating metal spheres
    Patent number: 7097687
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: August 29, 2006
    Assignee: Accurus Scientific Co., Ltd.
    Inventor: Hubert K. Chow
  • Process for fabricating metal spheres
    Publication number: 20040055417
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Application
    Filed: June 27, 2003
    Publication date: March 25, 2004
    Inventor: Hubert K. Chow
  • Method of making precision metal spheres
    Patent number: 6613124
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Grant
    Filed: March 16, 2002
    Date of Patent: September 2, 2003
    Assignee: Accurus Scientific Co., Ltd.
    Inventor: Hubert K. Chow
  • Apparatus for making precision metal spheres
    Patent number: 6565342
    Abstract: An apparatus for forming metal spheres includes a droplet generator, a buffering chamber, and a cooling drum. The droplet generator generates a droplet from a molten metal mass. The buffering chamber receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet. The cooling drum receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus can further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal spheres available for collection.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: May 20, 2003
    Assignee: Accurus Scientific Co. Ltd.
    Inventor: Hubert K. Chow
  • Apparatus and method of making precision metal spheres
    Publication number: 20020112566
    Abstract: A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffered droplet until the droplet solidifies in the form of a metal sphere. An apparatus for fabricating metal spheres includes a droplet generator that generates a droplet from a molten metal mass, a buffering chamber that receives the droplet from the droplet generator, and diminishes internal kinetic energy of the droplet without solidifying the droplet, and a cooling drum that receives the droplet from the buffering chamber, and cools the droplet to the extent that the droplet solidifies into a metal sphere. The apparatus may further include a collector arrangement that receives the metal spheres from the cooling drum and makes the metal sphere available for collection.
    Type: Application
    Filed: March 16, 2002
    Publication date: August 22, 2002
    Inventor: Hubert K. Chow