Patents by Inventor Joel C. Nemes

Joel C. Nemes 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: 10962493
    Abstract: A detector is provided including a plurality of nanofiber chemical sensors, each having an electrical characteristic; and a processing and alarm circuit in electrical communication with the plurality of nanofiber chemical sensors; wherein the electrical characteristics of at least one of the plurality of nanofiber chemical sensors changes in the presence of a first airborne material; wherein the electrical characteristics of at least one of the plurality of nanofiber chemical sensors changes in the presence of a second airborne material; and wherein the changes in the electrical characteristics of at least one of the plurality of nanofiber chemical sensors in the presence of the first airborne material are different from the changes in the electrical characteristics of at least one of the plurality of nanofiber chemical sensors in the presence of the second airborne material.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: March 30, 2021
    Assignee: GENTEX CORPORATION
    Inventors: David J. Cammenga, Kurtis L. Geerlings, Joel C. Nemes, William L. Tonar, David E. Christian, Darin D. Tuttle, Xiaoxu Niu
  • Patent number: 10774191
    Abstract: An electrochromic device includes a cathodic compartment including a cathodic material; an anodic compartment including an anodic material; and a transparent, ion-selective membrane displaced between the cathodic compartment and the anodic compartment wherein the transparent, ion-selective membrane is a cationic polymer.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: September 15, 2020
    Assignee: GENTEX CORPORATION
    Inventors: Zachary B. Erno, Leroy J. Kloeppner, Sue F. Franz, Joel C. Nemes, Garret C. Denolf, Nathan P. Boogaart
  • Patent number: 10775339
    Abstract: A membrane is provided, as well as membrane electrode assemblies and sensors utilizing the membrane of the present technology. The membrane includes a membrane material with a top surface and a bottom surface; and a protonic ionic liquid disposed at least between the top surface and the bottom surface of the membrane material where the protonic ionic liquid is of Formula I.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: September 15, 2020
    Assignee: GENTEX CORPORATION
    Inventor: Joel C. Nemes
  • Patent number: 10464900
    Abstract: An electrochromic device includes an electrochromic compound with reduced intermolecular interactions resulting in uncontrolled color changes, the electrochromic represented by Formula (I):
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: November 5, 2019
    Assignee: GENTEX CORPORATION
    Inventors: Rongguang Lin, Kelvin L. Baumann, Punam Giri, Joel C. Nemes, Leroy J. Kloeppner, David A. Theiste
  • Publication number: 20190323979
    Abstract: A detector is provided including a plurality of nanofiber chemical sensors, each having an electrical characteristic; and a processing and alarm circuit in electrical communication with the plurality of nanofiber chemical sensors; wherein the electrical characteristics of at least one of the plurality of nanofiber chemical sensors changes in the presence of a first airborne material; wherein the electrical characteristics of at least one of the plurality of nanofiber chemical sensors changes in the presence of a second airborne material; and wherein the changes in the electrical characteristics of at least one of the plurality of nanofiber chemical sensors in the presence of the first airborne material are different from the changes in the electrical characteristics of at least one of the plurality of nanofiber chemical sensors in the presence of the second airborne material.
    Type: Application
    Filed: April 18, 2019
    Publication date: October 24, 2019
    Applicant: GENTEX CORPORATION
    Inventors: David J. Cammenga, Kurtis L. Geerlings, Joel C. Nemes, William L. Tonar, David E. Christian, Darin D. Tuttle, Xiaoxu Niu
  • Publication number: 20190048159
    Abstract: An electrochromic device includes a cathodic compartment including a cathodic material; an anodic compartment including an anodic material; and a transparent, ion-selective membrane displaced between the cathodic compartment and the anodic compartment wherein the transparent, ion-selective membrane is a cationic polymer.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 14, 2019
    Inventors: Zachary B. ERNO, Leroy J. KLOEPPNER, Sue F. FRANZ, Joel C. NEMES, Garret C. DENOLF, Nathan P. BOOGAART
  • Publication number: 20180346421
    Abstract: An electrochromic device includes an electrochromic compound with reduced intermolecular interactions resulting in uncontrolled color changes, the electrochromic represented by Formula (I):
    Type: Application
    Filed: June 4, 2018
    Publication date: December 6, 2018
    Inventors: Rongguang LIN, Kelvin L. BAUMANN, Punam GIRI, Joel C. NEMES, Leroy J. KLOEPPNER, David A. THEISTE
  • Patent number: 10040763
    Abstract: The invention relates to an electrochromic device and uses thereof, wherein the electrochromic device includes an electrochromic compound with reduced intermolecular interactions resulting in uncontrolled color changes represented by Formula (I):
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: August 7, 2018
    Assignee: GENTEX CORPORATION
    Inventors: Rongguang Lin, Kelvin L. Baumann, Punam Giri, Joel C. Nemes, Leroy J. Kloeppner, David A. Theiste
  • Publication number: 20160229803
    Abstract: The invention relates to an electrochromic device and uses thereof, wherein the electrochromic device includes an electrochromic compound with reduced intermolecular interactions resulting in uncontrolled color changes represented by Formula (I):
    Type: Application
    Filed: February 10, 2016
    Publication date: August 11, 2016
    Inventors: Rongguang LIN, Kelvin L. BAUMANN, Punam GIRI, Joel C. NEMES, Leroy J. KLOEPPNER, David A. THEISTE
  • Publication number: 20160146751
    Abstract: A membrane is provided, as well as membrane electrode assemblies and sensors utilizing the membrane of the present technology. The membrane includes a membrane material with a top surface and a bottom surface; and a protonic ionic liquid disposed at least between the top surface and the bottom surface of the membrane material where the protonic ionic liquid is of Formula I.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Inventor: Joel C. Nemes
  • Patent number: 8951396
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: February 10, 2015
    Assignee: Gentex Corporation
    Inventor: Joel C. Nemes
  • Patent number: 8888979
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: November 18, 2014
    Assignee: Gentex Corporation
    Inventor: Joel C. Nemes
  • Publication number: 20140246316
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Application
    Filed: May 15, 2014
    Publication date: September 4, 2014
    Applicant: Gentex Corporation
    Inventor: Joel C. Nemes
  • Publication number: 20140116880
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: Gentex Corporation
    Inventor: Joel C. Nemes
  • Patent number: 8641878
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: February 4, 2014
    Assignee: Gentex Corporation
    Inventor: Joel C. Nemes
  • Publication number: 20110048943
    Abstract: A cathodic material for use in an electrochemical sensor comprising: a carbonaceous material and an oxygen reduction catalyst associated with the carbonaceous material; and wherein the cathodic material does not materially exhibit catalytic activity for the oxidation of carbon monoxide. Associated electrochemical sensors may include an anode and cathode that are disposed upon the same or opposite sides of an ion exchange membrane and/or exposed to the same or different gaseous environments.
    Type: Application
    Filed: August 3, 2010
    Publication date: March 3, 2011
    Inventor: Joel C. Nemes
  • Patent number: 7372609
    Abstract: A nanoporous-nanocrystalline film, comprising a nanoporous-nanocrystalline, semi-conducting metal oxide having a redox active material or redox chromophore attached thereto, wherein the redox active material or redox chromophore comprises at least one of an isocyanate, a silane, and a siloxane attachment promoting moiety.
    Type: Grant
    Filed: March 16, 2005
    Date of Patent: May 13, 2008
    Assignee: Gentex Corporation
    Inventors: Rongguang Lin, Joel C. Nemes