Patents by Inventor Charles L. Grant

Charles L. Grant 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).

  • On-line reclaim system
    Patent number: 4467969
    Abstract: An improved method and machine for reclaiming in an on-line configuration both oriented and unoriented film produced on an extrusion line, in general, and an improved means within an on-line reclaim system for transferring both virgin resin and chopped reclaim to an in-line extruder, in particular, are disclosed.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: August 28, 1984
    Assignee: Standard Oil Company
    Inventors: Jack F. Godfrey, Charles L. Grant
  • On-line reclaim method
    Patent number: 4353851
    Abstract: An improved method and machine for reclaiming in an on-line configuration both oriented and unoriented film produced on an extrusion line, in general, and an improved means within an on-line reclaim system for transferring both virgin resin and chopped reclaim to an in-line extruder, in particular, are disclosed.
    Type: Grant
    Filed: May 23, 1979
    Date of Patent: October 12, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Jack F. Godfrey, Charles L. Grant