Patents by Inventor James V Harwell

James V Harwell 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: 8807061
    Abstract: One of more safety catches attachable to water vessels for preventing rollback during launch and recovery operations. Each safety catch includes a pivotally attached catch arm for mating with a notched groove in an inclined surface to prevent the rollback.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: August 19, 2014
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Matthew P. Caccamo, Steve A Brandis, James V Harwell
  • Patent number: 8590473
    Abstract: One of more safety catches attachable to water vessels for preventing rollback during launch and recovery operations. Each safety catch includes a pivotally attached catch arm for mating with a notched groove in an inclined surface to prevent the rollback.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: November 26, 2013
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Matthew P Caccamo, Steve A Brandis, James V Harwell