Patents by Inventor Anders A. Johnson

Anders A. 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).

  • Solidification and crystallization of materials
    Patent number: 4144308
    Abstract: Liquid materials which are difficult to crystallize and which may be subject to supercooling are solidified and crystallized by contacting the liquid material with an agitated, fluidized bed of solid particles of the same material. The bed of solid particles is agitated by means of a mechanical agitator and a current of fluidizing and cooling gas which enters the bottom portion of the bed vertically but is baffled toward the periphery of the bed.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: March 13, 1979
    Assignee: Monsanto Company
    Inventor: Anders A. Johnson
  • Solidification and crystallization of materials
    Patent number: 4022820
    Abstract: Liquid materials which are difficult to crystallize and which may be subject to supercooling are solidified and crystallized by contacting the liquid material with an agitated, fluidized bed of solid particles of the same material. The bed of solid particles is agitated by means of a mechanical agitator and a current of fluidizing and cooling gas which enters the bottom portion of the bed vertically but is baffled toward the periphery of the bed.
    Type: Grant
    Filed: November 12, 1974
    Date of Patent: May 10, 1977
    Assignee: Monsanto Company
    Inventor: Anders A. Johnson