Patents by Inventor K. T. Kembaiyan

K. T. Kembaiyan 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 of making bearing component for rotary cone rock bit
    Patent number: 5552106
    Abstract: A method of making a bearing component for a rotary cone rock bit which obtains the beneficial strengthening effect of metalloids and their compounds without the undesirable effects of segregation. The method includes rolling a sintered compact to form a strip or plate of a particular composition that would be subject to segregation if produced by casting and thereafter forming the strip or plate into the bearing component. Additionally, the rolled sintered compact may be heat treated and machined after heat treating. A method of making a rotary cone rock bit is also disclosed.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: September 3, 1996
    Assignee: Smith International, Inc.
    Inventor: K. T. Kembaiyan
  • Rock bit bearing material
    Patent number: 5527113
    Abstract: The use of a sintered compact of a copper base alloy, a transition metal, a metalloid and a strengthener for bearing surfaces formed between roller cutter cones of sealed bearing rock bits.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: June 18, 1996
    Assignee: Smith International, Inc.
    Inventor: K. T. Kembaiyan