Patents Assigned to Weaver Engineering & Mfg. Co.
  • Pipe pressure testing device
    Patent number: 4061015
    Abstract: A pipe pressure testing device for testing the strength of a pipe specimen hydrostatically. The device receiving fluid under pressure and applying the fluid against the inner circumference of the pipe specimen and along the length thereof.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: December 6, 1977
    Assignee: Weaver Engineering & Mfg. Co.
    Inventor: Frank L. Fish