Patents by Inventor William D. Sangster

William D. Sangster 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).

  • Machine tool mounted marking apparatus and method
    Patent number: 6824337
    Abstract: A nosepiece adapter (10) for connecting a nosepiece (20) to a tool holder shank (30), wherein said nosepiece adapter (10) is comprised of a shaft (60) and an opposing nosepiece end (50) to receive said nosepiece (20), wherein a longitudinal cavity (70) extends through said nosepiece adapter (10) and opens at both ends of said nosepiece adapter (10); an escape valve cavity (80) extending from the outer surface of the nosepiece end (50) to said longitudinal cavity (70); wherein said shaft (60) includes a shaft attachment means for connecting said shaft (60) to said tool holder shank (30); and, wherein said nosepiece end (50) includes a nosepiece attachment means to connect said nosepiece (20) to said nosepiece end (50).
    Type: Grant
    Filed: September 19, 2002
    Date of Patent: November 30, 2004
    Assignee: Dapra Corporation
    Inventors: Richard E. Pentz, John D. Jacobsen, William D. Sangster
  • Machine tool mounted marking apparatus and method
    Publication number: 20030039524
    Abstract: A nosepiece adapter (10) for connecting a nosepiece (20) to a tool holder shank (30), wherein said nosepiece adapter (10) is comprised of a shaft (60) and an opposing nosepiece end (50) to receive said nosepiece (20), wherein a longitudinal cavity (70) extends through said nosepiece adapter (10) and opens at both ends of said nosepiece adapter (10); an escape valve cavity (80) extending from the outer surface of the nosepiece end (50) to said longitudinal cavity (70); wherein said shaft (60) includes a shaft attachment means for connecting said shaft (60) to said tool holder shank (30); and, wherein said nosepiece end (50) includes a nosepiece attachment means to connect said nosepiece (20) to said nosepiece end (50).
    Type: Application
    Filed: September 19, 2002
    Publication date: February 27, 2003
    Inventors: Richard E Pentz, John D Jacobsen, William D Sangster
  • Multi-purpose machine tool for high volume secondary operations
    Patent number: 6457919
    Abstract: A multi-purpose machine tool is provides for high volume secondary operations. Multiple machining heads and eight degrees of freedom provide for maximum versatility and adaptability for convenient set-up.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: October 1, 2002
    Inventor: William D. Sangster