Patents by Inventor Joel Weinhardt

Joel Weinhardt 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).

  • Softball/hardball throwing machine
    Patent number: 11247112
    Abstract: The current invention is a throwing machine for softballs or hardball (baseball). It comprises a loading tube, a loader, a pressure means, a locking pin and a throwing tube. The throwing machine is placed on a frame with a set of wheels in the preferred embodiment.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: February 15, 2022
    Inventor: Joel Weinhardt