Patents by Inventor Luther B. Stoddard

Luther B. Stoddard 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).

  • Perforated flap with dual seals
    Patent number: 6807795
    Abstract: A method and apparatus for forming a tamper resistant seal on a plastic bag containing a loaf of bread or other products is disclosed. The neck of the bag is flattened, gripped between a pair of upper inboard and outboard gathering belts and a pair of lower inboard and outboard gathering belts adjacent opposite sides of a segment of the neck of the bag. A row of perforations is formed in the bag neck as the bag moves adjacent a roller provided with teeth or cutting elements. Heated air jets are directed to engage the segment of the bag bridging between the inboard and the outboard gathering belts for fusing panels of the bag together to form a sealed strip spaced from the row of perforations in the bag neck to facilitate removal of the sealed strip from the bag.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: October 26, 2004
    Assignee: Burford Corp.
    Inventors: Luther B. Stoddard, Jerry Dale Pack
  • Perforated flap with dual seals
    Publication number: 20020152722
    Abstract: A method and apparatus for forming a tamper resistant seal on a plastic bag containing a loaf of bread or other products is disclosed. The neck of the bag is flattened, gripped between a pair of upper inboard and outboard gathering belts and a pair of lower inboard and outboard gathering belts adjacent opposite sides of a segment of the neck of the bag. A row of perforations is formed in the bag neck as the bag moves adjacent a roller provided with teeth or cutting elements. Heated air jets are directed to engage the segment of the bag bridging between the inboard and the outboard gathering belts for fusing panels of the bag together to form a sealed strip spaced from the row of perforations in the bag neck to facilitate removal of the sealed strip from the bag.
    Type: Application
    Filed: December 19, 2001
    Publication date: October 24, 2002
    Inventors: Luther B. Stoddard, Jerry Dale Pack