Patents by Inventor John G. Karras

John G. Karras 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).

  • Can piercing tool
    Patent number: 10906792
    Abstract: A can piercing tool including an annular ring and a plurality of pointed punches connected to the annular ring, concentric with the annular ring, inside the annular ring, and defining a circular perimeter. The tool includes a handle connected to the annular ring extending away from the annular ring.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: February 2, 2021
    Inventor: John G. Karras
  • CAN PIERCING TOOL
    Publication number: 20190359464
    Abstract: A can piercing tool including an annular ring and a plurality of pointed punches connected to the annular ring, concentric with the annular ring, inside the annular ring, and defining a circular perimeter. The tool includes a handle connected to the annular ring extending away from the annular ring.
    Type: Application
    Filed: May 23, 2018
    Publication date: November 28, 2019
    Inventor: John G. Karras