Patents by Inventor Marvin Levan

Marvin Levan 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).

  • Seal and cut assembly for heat sealing machine
    Patent number: 11981471
    Abstract: A heat sealing machine and method form blister packages. A backing material web extends between a nesting tray assembly and a seal and cut tooling assembly and a blister tray is resident within a blister nest of the nesting tray assembly. The backing material web is clamped between a clamping gasket support shoulder of the nesting tray assembly and a clamping shoulder of the seal and cut tooling assembly, and between a sealing gasket support shoulder of the nesting tray assembly and a heat seal shoulder of a heater assembly. A knife of the seal and cut tooling assembly extends between the clamping gasket support shoulder and the sealing gasket support shoulder to cut a backing sheet from the backing material web that is heat sealed to an attachment surface of the blister tray to form the blister package.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: May 14, 2024
    Assignee: Sonoco Development, Inc.
    Inventor: Marvin Levan
  • Seal and Cut Assembly for Heat Sealing Machine
    Publication number: 20220144473
    Abstract: A heat sealing machine and method form blister packages. A backing material web extends between a nesting tray assembly and a seal and cut tooling assembly and a blister tray is resident within a blister nest of the nesting tray assembly. The backing material web is clamped between a clamping gasket support shoulder of the nesting tray assembly and a clamping shoulder of the seal and cut tooling assembly, and between a sealing gasket support shoulder of the nesting tray assembly and a heat seal shoulder of a heater assembly. A knife of the seal and cut tooling assembly extends between the clamping gasket support shoulder and the sealing gasket support shoulder to cut a backing sheet from the backing material web that is heat sealed to an attachment surface of the blister tray to form the blister package.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 12, 2022
    Applicant: Sonoco Development, Inc.
    Inventor: Marvin Levan