Patents by Inventor Helmut Lix

Helmut Lix 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).

  • Injection syringe for medical purposes
    Patent number: 4952208
    Abstract: An injection syringe for medical purposes, in which the syringe plunger or a plunger-side end of the syringe cylinder is shaped or provided with components to ensure at least one flow passage or connection between an inner cylindrical space of the cylinder and outer environment, when the plunger is partially, but not completely, introduced into the syringe cylinder.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: August 28, 1990
    Assignee: Wasserburger Arzneimittelwerk Dr. Madaus GmbH & Co. KG
    Inventor: Helmut Lix