Patents by Inventor David C. Buy

David C. Buy 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 bending a rigid thermoplastic pipe
    Patent number: 5765285
    Abstract: The present invention relates to a method of forming a sharp small radius bend in a rigid thermoplastic pipe having a close fitting metal sleeve without kinking or cracking in the thermoplastic at the bend. Furthermore, the invention comprises a rigid thermoplastic pipe having a metal sleeve with a bend formed in the area of the sleeve.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: June 16, 1998
    Assignee: The B.F. Goodrich Company
    Inventors: David C. Buy, Girish Trikamlal Dalal