Patents by Inventor Stephen Thomas Heffernan

Stephen Thomas Heffernan 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: 8349417
    Abstract: A self sealing inflatable article including an inflatable body portion and a neck portion having an opening, a ring member supporting the opening of the article and a plug member for sealing the opening wherein at least a portion of the body portion of the article is invaginated through the opening of the article with the plug member associated with the invaginated portion.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: January 8, 2013
    Inventor: Stephen Thomas Heffernan
  • Publication number: 20100255226
    Abstract: A self sealing inflatable article including an inflatable body portion and a neck portion having an opening, a ring member supporting the opening of the article and a plug member for sealing the opening wherein at least a portion of the body portion of the article is invaginated through the opening of the article with the plug member associated with the invaginated portion.
    Type: Application
    Filed: November 21, 2008
    Publication date: October 7, 2010
    Inventor: Stephen Thomas Heffernan
  • Patent number: RE45963
    Abstract: A self sealing inflatable article including an inflatable body portion and a neck portion having an opening, a ring member supporting the opening of the article and a plug member for sealing the opening wherein at least a portion of the body portion of the article is invaginated through the opening of the article with the plug member associated with the invaginated portion.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: April 5, 2016
    Inventor: Stephen Thomas Heffernan