Patents Assigned to Curtis Products Inc.
  • Method of producing a tubing for use as a flow conduit
    Patent number: 5283951
    Abstract: A hydraulic coupling and method for producing such having a tubing with an end portion of a tubing wall outwardly bent and return bent upon itself to form a flattened double flanged end. The method of production using three separate press hits to secure a sleeve to the tubing, to form an annular V-shaped flange in the tubing wall and to compact the V-shaped flange into a flattened double flanged end.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: February 8, 1994
    Assignee: Curtis Products, Inc.
    Inventors: Eugene F. Davenport, Curtis R. Heckaman, Benjamin R. Kessler, Jay A. Simpson
  • Chair
    Patent number: D328984
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: September 1, 1992
    Assignee: Curtis Products Inc.
    Inventor: Conrad Marini