Patents by Inventor Karen M. VanderWeide

Karen M. VanderWeide 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).

  • Pneumatic cylinder
    Patent number: 10962030
    Abstract: A pneumatic cylinder with a piston rod movable to fully extended, intermediate and fully retracted positions. The cylinder may have a first head engaging one end of a first tube with a first piston slidably received therein, an intermediate connector engaging the other end of the first tube and one end of a second tube with a second piston slidably received therein, and a second head engaging the other end of the second tube. The piston rod may be attached to the second piston for movement therewith and extend through the intermediate connector, first piston, first tube, and the first head to the exterior thereof.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: March 30, 2021
    Assignee: DADCO, Inc.
    Inventor: Karen M. VanderWeide