Patents by Inventor Carl R. Cornwell

Carl R. Cornwell 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).

  • Patent number: 7648183
    Abstract: A latching apparatus for lifting and lowering loads. The apparatus comprises a prong and a receiving receptacle configured to receive the prong. The receiving receptacle comprises a body having a central passage, a plurality of jaws arranged about the central passage, and a spring for biasing the jaws to extend into the central passage. The latching apparatus may further comprise an activation disc for disengaging the jaws from the prong. The jaws have a pin extending therefrom; and wherein the activation disc contains a plurality of cam surfaces that engage the pin of the jaws. A method of latching onto a container is also disclosed.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: January 19, 2010
    Inventor: Carl R. Cornwell