Patents by Inventor Keith Frederick Thomas

Keith Frederick Thomas 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: 7089714
    Abstract: A method and apparatus for forming void-fill packaging wherein a tubular plastics material (11) is periodically fed via driver rollers (15) along a longitudinal guide path (12), first and second transverse spaced parallel heat seals are formed substantially across the plastics material via a transverse heat sealer (36, 38) to define a chamber (104) between the seals, a fluid is discharged into the chamber via a nozzle (20) positioned along the guide path and adapted to extend inside the tubular plastics material adjacent to one longitudinal edge of the plastic material, a third heat seal is formed via a longitudinal heat sealer (78) to seal the chamber (104), and the longitudinal edge of the tubular plastic material is cut via a cutting element (22) so that the movement of the tubular plastics material is not hindered by the nozzle.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: August 15, 2006
    Assignee: Green Light Packaging Limited
    Inventor: Keith Frederick Thomas