Patents by Inventor John Riehl

John Riehl 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).

  • Method of forming a woven fiber structure using a tackifier composition
    Patent number: 8747730
    Abstract: A method of forming a woven fiber structure for a molding process to produce a ceramic matrix composite, includes depositing a tackifier composition having a carrier solvent, a resin material, and an inorganic filler onto at least a portion of a woven fiber structure; drying the tackifier composition on woven fiber structure to remove at least a portion of the carrier solvent from the tackifier composition; and forming the dried woven fiber structure into a preform.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: June 10, 2014
    Assignee: United Technologies Corporation
    Inventor: John Riehl
  • Tackifier composition
    Patent number: 8609558
    Abstract: A tackifier composition includes a carrier solvent, a resin material, and an inorganic filler. The tackifier composition may be deposited onto at least a portion of a woven fiber structure and then dried to remove the carrier solvent. The dried woven fiber structure may then be formed into a preform.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: December 17, 2013
    Assignee: United Technologies Corporation
    Inventor: John Riehl
  • METHOD OF FORMING A WOVEN FIBER STRUCTURE USING A TACKIFIER COMPOSITION
    Publication number: 20120267833
    Abstract: A method of forming a woven fiber structure for a molding process to produce a ceramic matrix composite, includes depositing a tackifier composition having a carrier solvent, a resin material, and an inorganic filler onto at least a portion of a woven fiber structure; drying the tackifier composition on woven fiber structure to remove at least a portion of the carrier solvent from the tackifier composition; and forming the dried woven fiber structure into a preform.
    Type: Application
    Filed: June 14, 2012
    Publication date: October 25, 2012
    Inventor: John Riehl
  • TACKIFIER COMPOSITION
    Publication number: 20110124256
    Abstract: A tackifier composition includes a carrier solvent, a resin material, and an inorganic filler. The tackifier composition may be deposited onto at least a portion of a woven fiber structure and then dried to remove the carrier solvent. The dried woven fiber structure may then be formed into a preform.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 26, 2011
    Inventor: John Riehl