Patents by Inventor Ray E. Harrison

Ray E. Harrison 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).

  • Shipping bag
    Patent number: 4681781
    Abstract: A thermoplastic heavy duty shipping bag having walls formed of cross-laminated outer plies of uni-axially oriented polyethylene and inner walls of low density polyethylene, heat sealed thereto. The bag provides improved puncture and snag resistance.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: July 21, 1987
    Assignee: C-I-L Inc.
    Inventors: Charles R. Murray, Ray E. Harrison
  • Shipping bag
    Patent number: 4576844
    Abstract: A thermoplastic heavy duty shipping bag having walls formed of cross-laminated outer plies of uni-axially oriented polyethylene and inner walls of low density polyethylene, heat sealed thereto. The bag provides improved puncture and snag resistance.
    Type: Grant
    Filed: July 16, 1984
    Date of Patent: March 18, 1986
    Assignee: C-I-L Inc.
    Inventors: Charles R. Murray, Ray E. Harrison
  • Method of making polyethylene shipping sack with flexographically applied barrier coating
    Patent number: 4425108
    Abstract: A polyethylene shipping bag having an internal nylon barrier coating which permits packaging of materials which normally migrate through polyethylene. The coating is flexographically applied from a nylon solution in a lower aliphatic alcohol with up to 15% water to a polyethylene film which has been previously treated to make it receptive to printing ink. The bag may be single ply or double ply and may have a filling valve.
    Type: Grant
    Filed: April 7, 1981
    Date of Patent: January 10, 1984
    Assignee: C-I-L Inc.
    Inventors: Ray E. Harrison, Charles R. Murray