Patents by Inventor James Kevin Hays

James Kevin Hays 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).

  • Coupling device incorporating a security feature
    Patent number: 6758624
    Abstract: Presented is a trailer incorporating a device that allows the detachable coupling of the ball coupler and safety chains of a trailer for remote storage of these items, while incorporating a security feature that allows only the original ball coupler and safety chains to be connected. This deters the unauthorized towing or theft of the trailer.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: July 6, 2004
    Assignee: Productivity Paradigm Technologies, Inc.
    Inventors: Philip Hugh Thompson, James Kevin Hays
  • Coupling device incorporating a security feature
    Publication number: 20020136600
    Abstract: Presented is a device for use in detachably coupling two load bearing members which allows the transmission of linear, torsion and bending moment forces, while incorporating a security feature that allows only properly matched sets of members to be connected.
    Type: Application
    Filed: October 25, 2001
    Publication date: September 26, 2002
    Inventors: Philip Hugh Thompson, James Kevin Hays