Patents by Inventor Edwin P. Stankiewicz

Edwin P. Stankiewicz 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).

  • Method for producing controlled aspect ratio reticulated carbon foam and the resultant foam
    Patent number: 6103149
    Abstract: A method of manufacturing and the resultant reticulated open cell carbon foam with a controlled aspect ratio between 0.6 to 1.2 throughout the body of the foam billet by controlling the exothermic reaction of the resin system below the decomposition temperature of the foam.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: August 15, 2000
    Assignee: Ultramet
    Inventor: Edwin P. Stankiewicz
  • Foam catalyst support for exhaust purification
    Patent number: 6040266
    Abstract: A method of producing an acoustic baffle/catalyst foam support material and the resultant material. A polyurethane open cell foam material is provided having a density between 10-100 ppi. The polyurethane foam is infiltrated with a resin material to produce an impregnated foam. The impregnated foam is pyrolized to form a carbon skeleton forming a carbon foam. The carbon foam skeleton is coated with one or more of the following group of materials to a relative density of five to thirty five (5-35) percent, the group of materials being SiC, Si.sub.3 N.sub.4, MoSi.sub.2 or high temperature metal.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: March 21, 2000
    Assignee: Ultramet
    Inventors: Thomas F. Fay, III, Raffaele La Ferla, Andrew J. Sherman, Edwin P. Stankiewicz
  • Filter and method of forming
    Patent number: 5372380
    Abstract: An airbag assembly including an inflatable airbag, an ignitable propellant charge for generating inflating gas and a filter between the interior of the airbag and the propellant charge. The filter comprising a porous carbon foam substrate coated substantially throughout with a thermally and structurally stable material which has been formed in situ by chemical vapor deposition techniques.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: December 13, 1994
    Assignee: Ultramet
    Inventors: Andrew J. Duffy, Richard B. Kaplan, Stanley A. Racik, Edwin P. Stankiewicz, Robert H. Tuffias, Brian E. Williams
  • Multiple-use molten metal filters
    Patent number: 4964993
    Abstract: The present invention provides at least one cylindrical, close-ended porous, ceramic molten metal filter element connected to an essentially horizontal porous ceramic sealing plate filter element. The cylindrical element extends vertically above the elevation of that sealing plate. The molten metal flow is introduced to the exterior of the close-ended cylindrical elements and the upper surface of the plate element. The cylindrical filter body elements rest on the sealing plate, thus the sealing plate provides all of the structural support for the assembly. The molten metal flows through the porous ceramic material of the cylindrical elements and the sealing plate element to be further flowed downstream, ultimately to the associated casting molds.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: October 23, 1990
    Assignee: Stemcor Corporation
    Inventor: Edwin P. Stankiewicz