Patents Assigned to Rosan, Inc.
  • Self locking valve guide
    Patent number: 4240393
    Abstract: A valve guide for installation in cylinder heads of internal combustion engines which includes a hollow body, a beveled pilot flange, a locking flange to flow material into, an annular groove to receive and pack displaced material and lock the valve guide to the workpiece to prevent axial movement.
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: December 23, 1980
    Assignee: Rosan, Inc.
    Inventor: Jose Rosan, Jr.
  • Self locking valve seat insert
    Patent number: 4236495
    Abstract: A valve seat insert for installation in cylinder heads of internal combustion engines which includes a pilot flange, an annular groove and a serrated locking flange by which the valve seat insert is locked into the cylinder head.
    Type: Grant
    Filed: October 13, 1978
    Date of Patent: December 2, 1980
    Assignee: Rosan, Inc.
    Inventor: Jose Rosan, Jr.