Patents by Inventor Louis Jean VAN RENNES

Louis Jean VAN RENNES 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: 11186397
    Abstract: A method for packaging one or more tobacco-filled boxes (13) in a plastic bag (21) comprises the following steps of—placing the box in a vacuum chamber (3, 5) through an input (7),—closing the vacuum chamber, then evacuating the vacuum chamber and thereafter creating an over-pressure nitrogen atmosphere in the vacuum chamber—putting a bag open at one end around a rectangular guide profile (19) open at both ends, where the other, closed, end of the bag shuts off one of the ends of the rectangular guide profile,—positioning the rectangular guide profile with the end not shut off by the bag in front of a shut off output (9) of the vacuum chamber and coupling the rectangular guide profile in a gas-tight manner to the output of the vacuum chamber,—opening the output of the vacuum chamber and guiding the box into the bag via the rectangular guide profile, and—folding the open end of the bag immediately followed by the sealing of the bag.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: November 30, 2021
    Inventors: Frederik Bergwerff, Louis Jean Van Rennes, Robert George McCarthy
  • Publication number: 20180127127
    Abstract: A method for packaging one or more tobacco-filled boxes (13) in a plastic bag (21) comprises the following steps of —placing the box in a vacuum chamber (3, 5) through an input (7), —closing the vacuum chamber, then evacuating the vacuum chamber and thereafter creating an over-pressure nitrogen atmosphere in the vacuum chamber —putting a bag open at one end around a rectangular guide profile (19) open at both ends, where the other, closed, end of the bag shuts off one of the ends of the rectangular guide profile, —positioning the rectangular guide profile with the end not shut off by the bag in front of a shut off output (9) of the vacuum chamber and coupling the rectangular guide profile in a gas-tight manner to the output of the vacuum chamber, —opening the output of the vacuum chamber and guiding the box into the bag via the rectangular guide profile, and —folding the open end of the bag immediately followed by the sealing of the bag.
    Type: Application
    Filed: May 11, 2016
    Publication date: May 10, 2018
    Inventors: Frederik BERGWERFF, Louis Jean VAN RENNES, Robert George MCCARTHY