Joel C Nemes from 1441 Stillwater Dr, Holland, MI 49424, age 50, Phone: 7345169370

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Nanocrystalline Metal Oxide Films And Associated Devices Comprising The Same
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US Patent:

7372609, May 13, 2008
Filed:

Mar 16, 2005
Appl. No.:

11/081435
Inventors:

Rongguang Lin - Holland MI, US
Joel C. Nemes - Holland MI, US
Assignee:

Gentex Corporation - Zeeland MI
International Classification:

G02F 1/15
G02B 5/23
US Classification:

359265, 252586
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.

Cathodic Materials For Use In Electrochemical Sensors And Associated Devices And Methods Of Manufacturing The Same
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US Patent:

8641878, Feb 4, 2014
Filed:

Aug 3, 2010
Appl. No.:

12/804977
Inventors:

Joel C. Nemes - Holland MI, US
Assignee:

Gentex Corporation - Zeeland MI
International Classification:

G01N 27/407
US Classification:

204433, 204418, 204424, 204426
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.

Microelectrode Assemblies And Associated Electrochemical Sensors For Use In Gas And Or Fire Detection Devices
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US Patent:

20130175168, Jul 11, 2013
Filed:

Feb 28, 2013
Appl. No.:

13/780978
Inventors:

Joel C. Nemes - Holland MI, US
Assignee:

GENTEX CORPORATION - Zeeland MI
International Classification:

G01N 27/407
US Classification:

204415
Abstract:

An electrochemical carbon monoxide sensor that is optionally tankless and/or reservoir free for use in a gas/fire detector having a housing for containing a micro electrode assembly therein, and a micro electrode assembly which includes an anode, a cathode and an ion conducting membrane, wherein the ion conducting membrane permits ion transport between the anode and the cathode, and wherein the ion conducting membrane prevents electron conduction between the anode and the cathode, and further wherein the ion conducting membrane comprises at least one of an acid doped polybenzimidazole, an acid doped polypyridylbenzimidazole, a protic ionic liquid doped polybenzimidazole, a protic ionic liquid doped sulfonated polyimide, and combinations thereof.

Nanofiber Smoke Detection Calibration
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US Patent:

20190323979, Oct 24, 2019
Filed:

Apr 18, 2019
Appl. No.:

16/387593
Inventors:

- Zeeland MI, US
Kurtis L. Geerlings - Zeeland MI, US
Joel C. Nemes - Holland MI, US
William L. Tonar - Holland MI, US
David E. Christian - Zeeland MI, US
Darin D. Tuttle - Byron Center MI, US
Xiaoxu Niu - Grand Rapids MI, US
Assignee:

GENTEX CORPORATION - Zeeland MI
International Classification:

G01N 27/12
G01N 33/00
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.

Electro-Optical Device Having A Transparent Ion Exchange Membrane
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US Patent:

20190048159, Feb 14, 2019
Filed:

Aug 8, 2018
Appl. No.:

16/058526
Inventors:

- Zeeland MI, US
Leroy J. KLOEPPNER - Jenison MI, US
Sue F. FRANZ - Holland MI, US
Joel C. NEMES - Holland MI, US
Garret C. DENOLF - Grand Rapids MI, US
Nathan P. BOOGAART - Holland MI, US
International Classification:

C08J 5/22
G02F 1/15
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.

Electrochromic Compounds With Improved Color Stability In Their Radical States
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US Patent:

20180346421, Dec 6, 2018
Filed:

Jun 4, 2018
Appl. No.:

15/997358
Inventors:

- Zeeland MI, US
Kelvin L. BAUMANN - Holland MI, US
Punam GIRI - Holland MI, US
Joel C. NEMES - Holland MI, US
Leroy J. KLOEPPNER - Jenison MI, US
David A. THEISTE - Byron Center MI, US
International Classification:

C07D 213/22
C07F 9/58
G02F 1/15
C08G 18/32
C09D 175/04
C08G 18/24
C08G 18/76
C08G 18/62
C07F 17/02
C07D 213/04
C08G 18/79
Abstract:

An electrochromic device includes an electrochromic compound with reduced intermolecular interactions resulting in uncontrolled color changes, the electrochromic represented by Formula (I):

Electrochromic Compounds With Improved Color Stability In Their Radical States
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US Patent:

20160229803, Aug 11, 2016
Filed:

Feb 10, 2016
Appl. No.:

15/040946
Inventors:

- Zeeland MI, US
Kelvin L. BAUMANN - Holland MI, US
Punam GIRI - Holland MI, US
Joel C. NEMES - Holland MI, US
Leroy J. KLOEPPNER - Jenison MI, US
David A. THEISTE - Byron Center MI, US
International Classification:

C07D 213/22
G02F 1/153
C08G 61/12
C07F 9/58
C07D 213/04
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):

Membranes For Use In Electrochemical Sensors And Associated Devices
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US Patent:

20160146751, May 26, 2016
Filed:

Nov 19, 2015
Appl. No.:

14/946485
Inventors:

- Zeeland MI, US
Joel C. Nemes - Holland MI, US
International Classification:

G01N 27/333
G01N 27/40
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.