Patents by Inventor Koen Louis Emma Van den Langenbergh

Koen Louis Emma Van den Langenbergh 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: 6241112
    Abstract: A stopper for sealing containers for pharmaceutical liquids, especially infusion bottles, which stopper has a collar, which projects into the neck of the container; an edge, which rests on the neck of the container; and a puncture area, enclosed by the edge and the collar, the stopper being held on the neck of the container by a protective cap of metal or plastic, characterized in that the puncture area (3) is designed to have such elasticity and flexibility with respect to the edge (9) and the collar (6) that, after the stopper has been inserted into the neck (4) of the container, the puncture area bulges slightly outward; and in that, after the puncture needle (15) of an infusion kit (16) has been inserted into the stopper, the puncture area bulges down into the neck (4) of the container.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: June 5, 2001
    Assignee: Helvoet Pharma Belgium N.V.
    Inventors: Albert Louis Victor Jozef Claessens, Koen Louis Emma Van den Langenbergh
  • Publication number: 20010002013
    Abstract: A stopper for sealing containers for pharmaceutical liquids, especially infusion bottles, which stopper has a collar, which projects into the neck of the container; an edge, which rests on the neck of the container; and a puncture area, enclosed by the edge and the collar, the stopper being held on the neck of the container by a protective cap of metal or plastic, characterized in that the puncture area (3) is designed to have such elasticity and flexibility with respect to the edge (9) and the collar (6) that, after the stopper has been inserted into the neck (4) of the container, the puncture area bulges slightly outward; and in that, after the puncture needle (15) of an infusion kit (16) has been inserted into the stopper, the puncture area bulges down into the neck (4) of the container.
    Type: Application
    Filed: December 9, 1998
    Publication date: May 31, 2001
    Applicant: HELVOET PHARMA BELGIUN N.V.
    Inventors: ALBERT LOUIS VICTOR JOSEF CLAESSENS, KOEN LOUIS EMMA VAN DEN LANGENBERGH