Patents by Inventor Ronald K. Penner

Ronald K. Penner 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: 11267224
    Abstract: Provided are methods of preparing an electrically activated shape memory polymer composite capable of thermal shape reformation using electric power to heat the composite through its matrix glass transition temperature. The methods may include providing a polymer matrix component comprising a diglycidyl ether resin and at least one curing agent, adding into the polymer matrix component at least one nano-filler component, sonication and mixing the polymer matrix component and the nano-filler component to form a mixture, curing the mixture under curing conditions, and laminating the cured mixture with at least one elastic laminated layer.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 8, 2022
    Assignee: UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA
    Inventors: Jin Ho Kang, Emille J. Siochi, Ronald K. Penner, Travis L. Turner
  • Publication number: 20180043660
    Abstract: Provided is an electrically activated shape memory polymer composite capable of thermal shape reformation using electric power to heat the composite through its matrix glass transition temperature. The composite includes an adaptable polymer matrix component using a diglycidyl ether resin, at least one substantially well-dispersed conductive or magnetic nano-filler component, and at least one elastic, laminated layer. Also provided are methods of preparing the composite and methods of activating the composite. A shape reformation of the composite is triggered by applying an electric field at DC and/or at a frequency above about 1 ?Hz for a sufficient time.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 15, 2018
    Inventors: Jin Ho Kang, Emille J. Siochi, Ronald K. Penner, Travis L. Turner
  • Patent number: 9796159
    Abstract: Provided is an electrically activated shape memory polymer composite capable of thermal shape reformation using electric power to heat the composite through its matrix glass transition temperature. The composite includes an adaptable polymer matrix component using a diglycidyl ether resin, at least one substantially well-dispersed conductive or magnetic nano-filler component, and at least one elastic, laminated layer. Also provided are methods of preparing the composite and methods of activating the composite. A shape reformation of the composite is triggered by applying an electric field at DC and/or at a frequency above about 1 ?Hz for a sufficient time.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: October 24, 2017
    Assignee: The United States of America as represented by the Administrator of NASA
    Inventors: Jin Ho Kang, Emilie J. Siochi, Ronald K. Penner, Travis L. Turner
  • Publication number: 20160193810
    Abstract: Provided is an electrically activated shape memory polymer composite capable of thermal shape reformation using electric power to heat the composite through its matrix glass transition temperature. The composite includes an adaptable polymer matrix component using a diglycidyl ether resin, at least one substantially well-dispersed conductive or magnetic nano-filler component, and at least one elastic, laminated layer. Also provided are methods of preparing the composite and methods of activating the composite. A shape reformation of the composite is triggered by applying an electric field at DC and/or at a frequency above about 1 ?Hz for a sufficient time.
    Type: Application
    Filed: April 16, 2012
    Publication date: July 7, 2016
    Applicant: U.S.A. as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Jin Ho Kang, Emilie J. Siochi, Ronald K. Penner, Travis L. Turner
  • Patent number: 9278374
    Abstract: A process to modify a surface to provide reduced adhesion surface properties to mitigate insect residue adhesion. The surface may include the surface of an article including an aircraft, an automobile, a marine vessel, all-terrain vehicle, wind turbine, helmet, etc. The process includes topographically and chemically modifying the surface by applying a coating comprising a particulate matter, or by applying a coating and also topographically modifying the surface by various methods, including but not limited to, lithographic patterning, laser ablation and chemical etching, physical vapor phase deposition, chemical vapor phase deposition, crystal growth, electrochemical deposition, spin casting, and film casting.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: March 8, 2016
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Christopher J. Wohl, Jr., Joseph G. Smith, Jr., Emilie J. Siochi, Ronald K. Penner
  • Publication number: 20150251217
    Abstract: A process to modify a surface to provide reduced adhesion surface properties to mitigate insect residue adhesion. The surface may include the surface of an article including an aircraft, an automobile, a marine vessel, all-terrain vehicle, wind turbine, helmet, etc. The process includes topographically and chemically modifying the surface by applying a coating comprising a particulate matter, or by applying a coating and also topographically modifying the surface by various methods, including but not limited to, lithographic patterning, laser ablation and chemical etching, physical vapor phase deposition, chemical vapor phase deposition, crystal growth, electrochemical deposition, spin casting, and film casting.
    Type: Application
    Filed: June 10, 2013
    Publication date: September 10, 2015
    Inventors: Christopher J. Wohl, JR., Joseph G. Smith, JR., Emilie J. Siochi, Ronald K. Penner
  • Publication number: 20150056453
    Abstract: A composite article, including a metal alloy haying a first surface and a shape memory polymer (“SMP”) adjoining the first surface, with a coupling agent condensed on the first surface between the metal alloy and the SMP. The coupling agent includes at least one metal alloy bonding group which chemically bonds to the metal alloy member and at least one SMP bounding group which chemically bonds to the SMP member. A method for forming the article includes resurfacing a first surface of the metal alloy and applying a coupling agent to the first surface, and then positioning the SMP thereon. The article is then treated to condense the coupling agent on the first surface. A toughening agent is optionally added to the SMP prior to coupling the SW and the metal alloy.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Inventors: Jin Ho Kang, Emilie J. SIOCHI, Ronald K. PENNER, Travis L. TURNER
  • Patent number: 7357606
    Abstract: Methods and tool for simultaneously forming a bore in a work piece and forming a series of threads in said bore. In an embodiment, the tool has a predetermined axial length, a proximal end, and a distal end, said tool comprising: a shank located at said proximal end; a pilot drill portion located at said distal end; and a mill portion intermediately disposed between said shank and said pilot drill portion. The mill portion is comprised of at least two drill-tap sections of predetermined axial lengths and at least one transition section of predetermined axial length, wherein each of said at least one transition section is sandwiched between a distinct set of two of said at least two drill-tap sections.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: April 15, 2008
    Assignee: United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Donald R. Pettit, Ronald K. Penner, Larry D. Franklin, Charles J. Camarda