Patents by Inventor Stephen L. Gray

Stephen L. Gray 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).

  • Patent number: 5699650
    Abstract: A process for shrinking a package having a top, end seals, and bottom includes heating water until the water reaches a temperature of between 180.degree. F. and 210.degree. F., applying a first portion of the heated water to the bottom and end seals of the package, mixing a second portion of the heated water with water having a temperature lower than the heated water to provide cooled water, and applying the cooled water to the top of the package. An apparatus for shrinking a package having a top, end seals, and bottom includes means for heating water until the water reaches a temperature of between 180.degree. F. and 210.degree. F.; means for applying a first portion of the heated water to the bottom and end seals of the package; means for mixing a second portion of the heated water with water having a temperature lower than the heated water to provide cooled water; and means for applying the cooled water to the top of the package.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: December 23, 1997
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Stephen L. Gray
  • Patent number: 5514400
    Abstract: A method of packaging meat emulsion in a flexible thermoplastic bag, wherein the bag has dispersed on its insides, prior to insertion of the meat emulsion into the bag, additives such as liquid colorant or liquid smoke, via a squeeze roller and backing plate (or two squeeze rollers), is shown. An apparatus for dispersing the additives via a squeeze roller and backing plate (or two squeeze rollers) is also shown.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 7, 1996
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: Stephen L. Gray
  • Patent number: 5484001
    Abstract: A method of packaging meat emulsion in a flexible thermoplastic bag, wherein the bag has dispersed on its insides, prior to insertion of the meat emulsion into the bag, additives such as liquid colorant or liquid smoke, via a squeeze roller and backing plate (or two squeeze rollers), is shown. An apparatus for dispersing the additives via a squeeze roller and backing plate (or two squeeze rollers) is also shown.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: January 16, 1996
    Assignee: W. R. Grace & Co.-Conn
    Inventor: Stephen L. Gray
  • Patent number: 5371998
    Abstract: Devices for packaging selected items. More particularly, the present invention relates to devices for continuously packaging selected items in a controlled atmosphere enclosure. Further, the present invention relates to devices for continuously sealing containers containing selected items in a controlled atmosphere.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: December 13, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Randall E. Johnson, Stephen L. Gray
  • Patent number: 4925687
    Abstract: A method of packaging turkey emulsion and turkey skin in a flexible plastic package wherein the turkey skin has been frozen prior to insertion into the package.
    Type: Grant
    Filed: August 8, 1988
    Date of Patent: May 15, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Stephen L. Gray, John E. Horner