Patents by Inventor Premachandran Krishnaswamy

Premachandran Krishnaswamy 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).

  • Molten metal filter medium and method for making same
    Patent number: 5369063
    Abstract: A porous ceramic body of high structural strength and integrity is disclosed, along with the method of fabricating such, whereby a curable resin and a sinterable ceramic are mixed and then admixed to removable pore formers, then consolidated into a green body, the pore formers removed, and sintered into the porous ceramic body.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: November 29, 1994
    Assignee: Metaullics Systems Co., L.P.
    Inventors: Alison W. Gee, Premachandran Krishnaswamy, Ajit Y. Sane
  • Molten metal filter and method for making same
    Patent number: 5177035
    Abstract: A porous ceramic body of high structural strength and integrity is disclosed, along with the method of fabricating such, whereby a curable resin and a sinterable ceramic are mixed and then admixed to removable pore formers, then consolidated into a green body, the pore formers removed, and sintered into the porous ceramic body.
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: January 5, 1993
    Assignee: The Carborundum Company
    Inventors: Alison W. Gee, Premachandran Krishnaswamy, Ajit Y. Sane