Patents Assigned to Procedyne Corp.
  • Method for metal treatment using a fluidized bed
    Patent number: 4512821
    Abstract: The present invention involves an apparatus and method for heat treating metal workpieces in chemically controlled environments produced by decomposition of an atmosphere precursor, e.g. methanol or ethyl acetate, introduced to a heated fluidized bed retort as a vapor.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: April 23, 1985
    Assignee: Procedyne Corp.
    Inventors: Robert Staffin, Carol A. Girrell, Mario A. Fronzoni
  • Particulate medium for fluidized bed operations
    Patent number: 4457788
    Abstract: This invention relates to non-abrasive, lubricative, particulate solids, e.g. graphites, lime, calcium oxides, zinc oxides and compounds of higher saturated fatty acids, particularly, stearate salts, and their methods of use as fluidized bed media for preventing clinging and related carryover problems. Preferably, fluidized bed media, selected in accordance with this invention, have a beneficial effect on subsequent process operations.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: July 3, 1984
    Assignee: Procedyne Corp.
    Inventors: Herbert K. Staffin, Robert Staffin