Patents by Inventor John P. McCarthy, IV

John P. McCarthy, IV 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).

  • Ladder safety device, systems and methods of arresting falls from ladders
    Patent number: 9447639
    Abstract: A ladder safety device, systems and methods of arresting falls from ladders are provided. The ladder safety device includes a safety guide that extends along the length of an extension ladder. The length of the guide along the length of the ladder extends and contracts in unison with the extension and retraction of the extension ladder, and a tension is maintained on the guide to maintain a load during use of the ladder for climbing.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 20, 2016
    Assignees: Daco LLC, Wildcat Capital LLC
    Inventors: David A. Cohen, John P. McCarthy, IV
  • LADDER SAFETY DEVICE, SYSTEMS AND METHODS OF ARRESTING FALLS FROM LADDERS
    Publication number: 20150129358
    Abstract: A ladder system is provided. The system includes an extendable ladder and a ladder safety device. The extendable ladder includes at least a first section and a second section. The ladder safety device includes a first guide rail secured to the first section, a second guide rail secured to the second section, an a guide rail intersection portion that merges the first guide rail into the second guide rail at a point of intersection. The guide rail intersection portion allows the first guide rail to slide with respect to the second guide rail such that the point of intersection changes as the second section extends or retracts with respect to the first section.
    Type: Application
    Filed: December 9, 2014
    Publication date: May 14, 2015
    Inventors: David A. Cohen, John P. McCarthy, IV
  • LADDER SAFETY DEVICE, SYSTEMS AND METHODS OF ARRESTING FALLS FROM LADDERS
    Publication number: 20130206507
    Abstract: A ladder safety device, systems and methods of arresting falls from ladders are provided. The ladder safety device includes a safety guide that extends along the length of an extension ladder. The length of the guide along the length of the ladder extends and contracts in unison with the extension and retraction of the extension ladder, and a tension is maintained on the guide to maintain a load during use of the ladder for climbing.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 15, 2013
    Inventors: David A. Cohen, John P. McCarthy, IV
  • Ladder safety device, systems and methods of arresting falls from ladders
    Patent number: 8413764
    Abstract: A ladder safety device, systems and methods of arresting falls from ladders are provided. The ladder safety device includes a safety guide that extends along the length of an extension ladder. The length of the guide along the length of the ladder extends and contracts in unison with the extension and retraction of the extension ladder, and a tension is maintained on the guide to maintain a load during use of the ladder for climbing.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: April 9, 2013
    Inventors: David A. Cohen, John P. McCarthy, IV