Patents by Inventor Goran Helldin

Goran Helldin 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).

  • Non-reusable syringe adapted rod-and-piston unit and method for assembling such syringe
    Patent number: 5593386
    Abstract: The invention relates to a rod-and/or piston unit that can be enclosed in a container forming part of a non-reusable syringe where the rod and the piston have means for connecting the piston to the rod and disconnecting the piston therefrom. The piston and the rod are manufactured as one piece in a die or similar. The invention also relates to a method for assembling a syringe.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: January 14, 1997
    Assignee: Dille Safe AB
    Inventor: Goran Helldin