Patents by Inventor Louis E. Burnett

Louis E. Burnett 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).

  • Packaging machine having a slitter for forming slits in ends of packages
    Patent number: 4254601
    Abstract: An improved assembly for forming a plurality of individual packages, containing articles, such as crackers or the like therein. The assembly includes a first roller member and a second roller member which is mounted in cooperative relationship with the first roller member. Each of the roller members includes cooperating members for simultaneously heat sealing, crimping and transversely severing a tubular strip containing the crackers in order to form the individual packages containing the crackers. The improvement includes a slitter member mounted on each of the sealing, crimping and severing members carried by the first roller member. The slitter members slit the film along the end portions.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: March 10, 1981
    Assignee: Keebler Company
    Inventors: Edward N. Prager, Louis E. Burnett