Patents by Inventor Michael A. Hickner

Michael A. Hickner 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: 11667073
    Abstract: A method is described for forming composite articles comprising thermoset silicon-containing polymers, that includes (a) providing a first composition comprising a first thermoset silicon-containing polymer; (b) providing a thermoplastic composition; (c) printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and (d) printing an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: June 6, 2023
    Assignee: Greene, Tweed Technologies, Inc.
    Inventors: Mookkan Periyasamy, Ronald R. Campbell, Elizabeth Sassano, Wojciech Jan Hajduczek, Michael A. Hickner, Lachlan Peeke
  • Publication number: 20210299949
    Abstract: A method is described for forming composite articles comprising thermoset silicon-containing polymers, that includes (a) providing a first composition comprising a first thermoset silicon-containing polymer; (b) providing a thermoplastic composition; (c) printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and (d) printing an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device.
    Type: Application
    Filed: March 31, 2021
    Publication date: September 30, 2021
    Inventors: Mookkan Periyasamy, Ronald R. Campbell, Elizabeth Sassano, Wojciech Jan Hajduczek, Michael A. Hickner, Lachlan Peeke
  • Publication number: 20140031193
    Abstract: The invention relates to methods and structures of metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).
    Type: Application
    Filed: August 29, 2013
    Publication date: January 30, 2014
    Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., Sandia Corporation, Operator of Sandia National Laboratories, Toyota Motor Corporation
    Inventors: Wen Li, Tetsuo Kawamura, Tetsuo Nagami, Hiroaki Takahashi, John Muldoon, John A. Shelnutt, Yujiang Song, James E. Miller, Michael A. Hickner, Craig John Medforth
  • Publication number: 20130302721
    Abstract: Embodiment of the present invention relate to dendrimers useful for application as catalysts, in particular as improved electrocatalysts for polymer electrolyte membrane fuel cells (PEM-FCs). Methods of preparing such catalysts are described. Examples include dendritic nanostructured metal catalysts, such as platinum and platinum-alloy catalysts.
    Type: Application
    Filed: November 29, 2006
    Publication date: November 14, 2013
    Applicants: Sandia Corporation, Operator of Sandia National Laboratories, Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: John A. Shelnutt, Wen Li, Yujiang Song, Michael A. Hickner
  • Patent number: 8574789
    Abstract: Embodiment of the present invention relate to dendrimers useful for application as catalysts, in particular as improved electrocatalysts for polymer electrolyte membrane fuel cells (PEM-FCs). Methods of preparing such catalysts are described. Examples include dendritic nanostructured metal catalysts, such as platinum and platinum-alloy catalysts.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: November 5, 2013
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Sandia Corporation
    Inventors: John A. Shelnutt, Wen Li, Yujiang Song, Michael A. Hickner
  • Patent number: 8541146
    Abstract: The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs).
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: September 24, 2013
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Motor Corporation, Sandia Corporation, Operator of Sandia National Laboratories
    Inventors: Wen Li, Tetsuo Kawamura, Tetsuo Nagami, Hiroaki Takahashi, John Muldoon, John A. Shelnutt, Yujiang Song, James E. Miller, Michael A. Hickner, Craig Medforth
  • Patent number: 7816482
    Abstract: An epoxy-crosslinked sulfonated poly(phenylene) copolymer composition used as proton exchange membranes, methods of making the same, and their use as proton exchange membranes (PEM) in hydrogen fuel cells, direct methanol fuel cell, in electrode casting solutions and electrodes, and in sulfur dioxide electrolyzers. These improved membranes are tougher, have higher temperature capability, and lower SO2 crossover rates.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: October 19, 2010
    Assignee: Sandia Corporation
    Inventors: Michael Hibbs, Cy H. Fujimoto, Kirsten Norman, Michael A. Hickner
  • Patent number: 7301002
    Abstract: Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of NafionĀ® membranes.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: November 27, 2007
    Assignee: Sandia Corporation
    Inventors: Christopher J. Cornelius, Cy H. Fujimoto, Michael A. Hickner
  • Publication number: 20070231674
    Abstract: Embodiment of the present invention relate to dendrimers useful for application as catalysts, in particular as improved electrocatalysts for polymer electrolyte membrane fuel cells (PEM-FCs). Methods of preparing such catalysts are described. Examples include dendritic nanostructured metal catalysts, such as platinum and platinum-alloy catalysts.
    Type: Application
    Filed: November 29, 2006
    Publication date: October 4, 2007
    Applicant: Toyota Engineering & Manufacturing North America, Inc.
    Inventors: John A. Shelnutt, Wen Li, Yujiang Song, Michael A. Hickner