Patents by Inventor Rakesh R. Kapoor

Rakesh R. Kapoor 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).

  • Brazing of diamond film to tungsten carbide
    Patent number: 5738698
    Abstract: The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vanadium-containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the diamond film of less than about 15.degree..
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: April 14, 1998
    Assignee: Saint Gobain/Norton Company Industrial Ceramics Corp.
    Inventors: Rakesh R. Kapoor, Bela G. Nagy, Louis K. Bigelow
  • Brazing of diamond film to tungsten carbide
    Patent number: 5567525
    Abstract: The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vanadium containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the diamond film of less than about 15.degree..
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 22, 1996
    Assignee: Saint-Gobain/Norton Industrial Ceramics Corporation
    Inventors: Rakesh R. Kapoor, Bela G. Nagy, Louis K. Bigelow
  • Brazing of diamond film to tungsten carbide
    Patent number: 5547121
    Abstract: The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vanadium containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the diamond film of less than about 15.degree..
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: August 20, 1996
    Assignee: Saint-Gobain/Norton Industrial Ceramics Corp.
    Inventors: Rakesh R. Kapoor, Bela G. Nagy, Louis K. Bigelow
  • Brazing of diamond film to tungsten carbide
    Patent number: 5523159
    Abstract: The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vanadium containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the diamond film of less than about 15.degree..
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: June 4, 1996
    Assignee: St. Gobain/Norton Industrial Ceramics Corp.
    Inventors: Rakesh R. Kapoor, Bela G. Nagy, Louis K. Bigelow
  • Brazing of diamond film to tungsten carbide
    Patent number: 5523158
    Abstract: The reliability of a braze joint formed between a diamond film and a tungsten carbide body is increased by use of a vandium containing braze. The braze joint exhibits an average shear strength greater than about 40,000 pounds per square inch, (276 MPa) and the braze exhibits a contact angle with the diamond film of less than about 15.degree..
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: June 4, 1996
    Assignee: Saint Gobain/Norton Industrial Ceramics Corp.
    Inventors: Rakesh R. Kapoor, Bela G. Nagy, Louis K. Bigelow