Patents by Inventor Ajay K. Chattopadhay

Ajay K. Chattopadhay 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).

  • Cubic boron nitride (CBN) abrasive tool
    Patent number: 5129918
    Abstract: A monolayer CBN tool is fabricated by coating CBN grits with carbides of transition metals directly by CVD to make the surface metallurgically compatible to readily and commercially available brazing alloys known for their strength and durability.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: July 14, 1992
    Assignee: Centre Suisse d'Electronique et de Microtechnique S.A.
    Inventor: Ajay K. Chattopadhay