Patents by Inventor Jerry E McQuinn

Jerry E McQuinn 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).

  • Universal nutcracker
    Patent number: 8833685
    Abstract: The Universal Nutcracker is set of jaws with an increasing opening between top and bottom jaws to allow for cracking different diameter nuts connected by a set of linkages. Each jaw has a set of teeth for gripping the shell of the nut to be cracked. A torsion spring is connected between the top and bottom center lever to assist in opening the jaw set after the nut has been cracked. Ends of top and bottom center levers are then coupled to a scissoring arms with linkage assembly for opening and closing with a mechanical advantage.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 16, 2014
    Inventor: Jerry E. McQuinn
  • Universal nutcracker
    Patent number: D689343
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: September 10, 2013
    Inventor: Jerry E McQuinn