Patents by Inventor Kevin S. McAfee

Kevin S. McAfee 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).

  • Liquid nitrogen immersion/impingement freezing method and apparatus
    Patent number: 5417074
    Abstract: Method and apparatus for rapidly crust or through freezing a particle by simultaneously moving the particle through a bath of cryogenic liquid and exposing the particle or portions of the particle not submerged in the liquid to a spray of the cryogenic liquid.
    Type: Grant
    Filed: July 26, 1993
    Date of Patent: May 23, 1995
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin S. McAfee, Roger A. Howells, Edward F. Kiczek, Russell I. Snyder, III, Earl W. Moore
  • Spiral freezer
    Patent number: 5343714
    Abstract: A spiral type freezer constructed and operated to introduce refrigerated atmosphere into the bottom of the insulated chamber and circulate the atmosphere in a circulation flow from the bottom of the chamber to an exit on top of the chamber, the refrigerated atmosphere producing a thermal gradient from the bottom to the top of the chamber so that the freezer is operated non-isothermally.
    Type: Grant
    Filed: May 20, 1992
    Date of Patent: September 6, 1994
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Edward F. Kiczek, David J. Klee, Kevin S. McAfee, Roger A. Howells
  • Method and apparatus for producing chunks or kibbles of a foodstuff
    Patent number: 5333802
    Abstract: A method and apparatus for chunking or kibbling foodstuffs by moving the foodstuff through a device adapted to produce individual particles of random shape and size. The invention is characterized by adapting the device or utilizing the process so that the foodstuff is exposed to a liquid cryogen prior to entering the device while the portion of the device producing the particle is simultaneously exposed to the liquid cryogen.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: August 2, 1994
    Assignees: Conec, Inc., Air Products and Chemicals, Inc.
    Inventors: David L. Seelig, Kevin S. McAfee
  • Method and apparatus for individually quick freezing small surface moist articles
    Patent number: 5220802
    Abstract: Method and apparatus for quick freezing particles with surface moisture by immersion in liquid cryogen to produce a frozen crust or layer on the particles followed by agitation in content with the vaporized cryogen to complete freezing and prevent clumping of the particles.
    Type: Grant
    Filed: July 21, 1992
    Date of Patent: June 22, 1993
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Edward F. Kiczek, Earl W. Moore, David L. Mitchell, Jr., Kevin S. McAfee
  • Method and apparatus for individually quick freezing small surface moist articles
    Patent number: 5168723
    Abstract: Method and apparatus for quick freezing particles with surface moisture by immersion in liquid cryogen to produce a frozen crust or layer on the particles followed by agitation in content with the vaporized cryogen to complete freezing and prevent clumping of the particles.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: December 8, 1992
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Edward F. Kiczek, Earl W. Moore, David L. Mitchell, Jr., Kevin S. McAfee
  • Athletic shoe tongue sleeve
    Patent number: D733410
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: July 7, 2015
    Inventor: Kevin S McAfee
  • Athletic shoe tongue sleeve
    Patent number: D736513
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: August 18, 2015
    Inventor: Kevin S McAfee