Patents by Inventor Paul H. Silvis
Paul H. Silvis 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).
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Publication number: 20230383126Abstract: Amorphous coatings and coated articles having amorphous coatings are disclosed. The amorphous coating comprises a first layer and a second layer, the first layer being proximal to a metal substate compared to the second layer, the second layer being distal from the metal substrate compared to the first layer. The first layer and the second layer comprise carbon, hydrogen, and silicon. The first layer further comprises oxygen.Type: ApplicationFiled: June 8, 2023Publication date: November 30, 2023Inventors: David A. SMITH, James B. MATTZELA, Paul H. SILVIS, Gary A. BARONE, Martin E. HIGGINS
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Patent number: 11807777Abstract: Amorphous coatings and coated articles having amorphous coatings are disclosed. The amorphous coating comprises a first layer and a second layer, the first layer being proximal to a metal substrate compared to the second layer, the second layer being distal from the metal substrate compared to the first layer. The first layer and the second layer comprise carbon, hydrogen, and silicon. The first layer further comprises oxygen.Type: GrantFiled: February 26, 2020Date of Patent: November 7, 2023Assignee: Silcotek Corp.Inventors: David A. Smith, James B. Mattzela, Paul H. Silvis, Gary A. Barone, Martin E. Higgins
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Publication number: 20220186040Abstract: Industrial equipment articles and thermal chemical vapor coated articles are disclosed. The articles include a coating on a substrate of the industrial equipment article, the coating including silicon, carbon, and hydrogen. The industrial equipment article requires resistance to protein adsorption. The industrial equipment article was heated during application of the coating to a temperature of between 300 degrees C. and 600 degrees C. The thermal chemical vapor coated article includes a coating on the thermal chemical vapor coated article, the coating formed by thermal decomposition, oxidation, then functionalization. The thermal chemical vapor coated article is industrial equipment requiring resistance to protein adsorption. The coating is resistant to the protein adsorption and is on a substrate heated during the thermal decomposition.Type: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Inventors: David A. SMITH, Min YUAN, James B. MATTZELA, Paul H. SILVIS
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Patent number: 11292924Abstract: A coated article is disclosed. The article includes a coating formed by thermal decomposition, oxidation then functionalization. The article is configured for a marine environment, the marine environment including fouling features. The coating is resistant to the fouling features. Additionally or alternatively, the article is a medical device configured for a protein-containing environment, the protein-containing environment including protein adsorption features. The coating is resistant to the protein adsorption features.Type: GrantFiled: April 7, 2015Date of Patent: April 5, 2022Assignee: Silcotek Corp.Inventors: David A. Smith, Min Yuan, James B. Mattzela, Paul H. Silvis
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Patent number: 10876206Abstract: Thermal chemical vapor deposition coated articles and thermal chemical vapor deposition processes are disclosed. The thermal chemical vapor deposition coated article includes a substrate and a coating on the substrate, the coating having multiple layers and being positioned on regions of the thermal chemical vapor deposition coated article that are unable to be concurrently coated through line-of-sight techniques. The coating has a concentration of particulate from gas phase nucleation, per 100 square micrometers, of fewer than 6 particles having a dimension of greater than 0.5 micrometers. The thermal chemical vapor deposition process includes introducing a multiple aliquot of a silicon-containing precursor to the enclosed vessel with intermediate gaseous soaking to produce the coated article.Type: GrantFiled: August 31, 2016Date of Patent: December 29, 2020Assignee: SILCOTEK CORP.Inventors: Thomas F. Vezza, James B. Mattzela, Gary A. Barone, William David Grove, Paul H. Silvis
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Patent number: 10731247Abstract: The present invention relates to a coated article. The coated article includes a first layer, a second layer, and a diffusion region between the first layer and the second layer. The first layer has a first atomic concentration of C, a first atomic concentration of Si, and a first atomic concentration of O. The second layer has a first atomic concentration of Fe, a first atomic concentration of Cr, and a first atomic concentration of Ni. The diffusion region has a second atomic concentration of the C, a second atomic concentration of the Si, a second atomic concentration of the O, a second atomic concentration of the Fe, a second atomic concentration of the Cr, and a second atomic concentration of the Ni. All of the atomic concentrations are based upon Auger Electron Spectroscopy.Type: GrantFiled: August 22, 2017Date of Patent: August 4, 2020Assignee: SILCOTEK CORP.Inventors: David A. Smith, James B. Mattzela, Paul H. Silvis, Gary A. Barone
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Publication number: 20200190336Abstract: Amorphous coatings and coated articles having amorphous coatings are disclosed. The amorphous coating comprises a first layer and a second layer, the first layer being proximal to a metal substrate compared to the second layer, the second layer being distal from the metal substrate compared to the first layer. The first layer and the second layer comprise carbon, hydrogen, and silicon. The first layer further comprises oxygen.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Inventors: David A. SMITH, James B. Mattzela, Paul H. Silvis, Gary A. Barone, Martin E. Higgins
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Patent number: 10604660Abstract: A wear coating is disclosed that includes a layer treated by a trifunctional organosilane. An article is also disclosed, the article having a surface to which the wear coating is applied. A method of applying the wear coating is also disclosed. In some embodiments, the organosilane is trimethylsilane and the wear coating is applied by chemical vapor deposition, followed by heat treating the wear coating in the presence of the trimethylsilane.Type: GrantFiled: October 5, 2011Date of Patent: March 31, 2020Assignee: SILCOTEK CORP.Inventors: David A. Smith, James B. Mattzela, Paul H. Silvis, Gary A. Barone, Martin E. Higgins
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Patent number: 10487402Abstract: Coated articles are disclosed. One embodiment of a coated article includes a substrate capable of being subjected to corrosion and a deposited coating on the substrate. The deposited coating has silicon with the substrate resisting corrosion with the deposited coating on the substrate when exposed to 15% NaClO by a rate of at least 5% greater than the corrosion rate of a coating applied with the same process but without introducing the deposition gas at the sub-decomposition temperature and/or the substrate with the deposited coating having a 15% NaClO corrosion rate of between 0 and 3 mils per year.Type: GrantFiled: February 13, 2018Date of Patent: November 26, 2019Assignee: SILCOTEK CORPInventors: Min Yuan, David A. Smith, Paul H. Silvis, James B. Mattzela
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Patent number: 10323321Abstract: Thermal chemical vapor deposition processes and coated articles are disclosed. The coated article includes a surface having a surface impurity and a coating on the surface formed by thermally reacting a gas. In comparison to a comparable coating without the surface impurity, the coating on the surface has substantially the same level of adhesion, corrosion resistance over 24 hours in 6M HCl, corrosion resistance over 72 hours in NaClO, and electrochemical impedance spectroscopy results. Additionally or alternatively, the surface impurity has properties that reduce or eliminate adhesion of a comparative coating produced by decomposition of silane on a comparative surface following exposure of the surface to a temperature.Type: GrantFiled: January 8, 2016Date of Patent: June 18, 2019Assignee: SILCOTEK CORP.Inventors: Min Yuan, Paul H. Silvis, James B. Mattzela
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Publication number: 20190169750Abstract: Coated articles are disclosed. One embodiment of a coated article includes a substrate capable of being subjected to corrosion and a deposited coating on the substrate. The deposited coating has silicon with the substrate resisting corrosion with the deposited coating on the substrate when exposed to 15% NaClO by a rate of at least 5% greater than the corrosion rate of a coating applied with the same process but without introducing the deposition gas at the sub-decomposition temperature and/or the substrate with the deposited coating having a 15% NaClO corrosion rate of between 0 and 3 mils per year.Type: ApplicationFiled: February 13, 2018Publication date: June 6, 2019Inventors: Min YUAN, David A. SMITH, Paul H. SILVIS, James B. MATTZELA
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Publication number: 20190032201Abstract: The present invention relates to a coated article. The coated article includes a first layer, a second layer, and a diffusion region between the first layer and the second layer. The first layer has a first atomic concentration of C, a first atomic concentration of Si, and a first atomic concentration of O. The second layer has a first atomic concentration of Fe, a first atomic concentration of Cr, and a first atomic concentration of Ni. The diffusion region has a second atomic concentration of the C, a second atomic concentration of the Si, a second atomic concentration of the O, a second atomic concentration of the Fe, a second atomic concentration of the Cr, and a second atomic concentration of the Ni. All of the atomic concentrations are based upon Auger Electron Spectroscopy.Type: ApplicationFiled: August 22, 2017Publication date: January 31, 2019Inventors: David A. SMITH, James B. MATTZELA, Paul H. SILVIS, Gary A. BARONE
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Publication number: 20180258529Abstract: Thermal chemical vapor deposition coated articles and thermal chemical vapor deposition processes are disclosed. The thermal chemical vapor deposition coated article includes a substrate and a coating on the substrate, the coating having multiple layers and being positioned on regions of the thermal chemical vapor deposition coated article that are unable to be concurrently coated through line-of-sight techniques. The coating has a concentration of particulate from gas phase nucleation, per 100 square micrometers, of fewer than 6 particles having a dimension of greater than 0.5 micrometers. The thermal chemical vapor deposition process includes introducing a multiple aliquot of a silicon-containing precursor to the enclosed vessel with intermediate gaseous soaking to produce the coated article.Type: ApplicationFiled: August 31, 2016Publication date: September 13, 2018Inventors: Thomas F. VEZZA, James B. MATTZELA, Gary A. BARONE, William David GROVE, Paul H. SILVIS
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Patent number: 9975143Abstract: Chemical vapor deposition articles and processes include a chemical vapor deposition functionalization on a material, the material including an sp3 arrangement of carbon. The chemical vapor deposition functionalization is positioned to be contacted by a process fluid, a hydrocarbon, an analyte, exhaust, or a combination thereof. Additionally or alternatively, the chemical vapor deposition functionalization is not of a refrigerator shelf or a windshield.Type: GrantFiled: May 14, 2014Date of Patent: May 22, 2018Assignee: Silcotek Corp.Inventors: David A. Smith, Paul H. Silvis
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Patent number: 9915001Abstract: A chemical vapor deposition process and coated article are disclosed. The chemical vapor deposition process includes positioning an article in a chemical vapor deposition chamber, then introducing a deposition gas to the chemical vapor deposition chamber at a sub-decomposition temperature that is below the thermal decomposition temperature of the deposition gas, and then heating the chamber to a super-decomposition temperature that is equal to or above the thermal decomposition temperature of the deposition gas resulting in a deposited coating on at least a surface of the article from the introducing of the deposition gas. The chemical vapor deposition process remains within a pressure range of 0.01 psia and 200 psia and/or the deposition gas is dimethylsilane. The coated article includes a substrate subject to corrosion and a deposited coating on the substrate, the deposited coating having silicon, and corrosion resistance.Type: GrantFiled: August 10, 2015Date of Patent: March 13, 2018Assignee: Silcotek Corp.Inventors: Min Yuan, David A. Smith, Paul H. Silvis, James B. Mattzela
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Patent number: 9777368Abstract: The present invention relates to a chemical vapor deposition coating, a chemical vapor deposition article, and a chemical vapor deposition method. The coating, article, and method involve thermal decomposition of dimethylsilane to achieve desired surface properties.Type: GrantFiled: October 26, 2010Date of Patent: October 3, 2017Assignee: Silcotek Corp.Inventors: David A. Smith, James B. Mattzela, Paul H. Silvis, Gary A. Barone
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Publication number: 20170211180Abstract: Thermal chemical vapor deposition coated articles and thermal chemical vapor deposition processes are disclosed. The article includes a substrate and a thermal chemical vapor deposition coating on the substrate. The thermal chemical vapor deposition coating includes properties from being produced by diffusion-rate-limited thermal chemical vapor deposition. The thermal chemical vapor deposition process includes introducing a gaseous species to a vessel and producing a thermal chemical vapor deposition coating on an article within the vessel by a diffusion-rate-limited reaction of the gaseous species.Type: ApplicationFiled: January 22, 2016Publication date: July 27, 2017Inventors: Thomas F. VEZZA, Steven A. CONDO, Nicholas Peter DESKEVICH, James B. MATTZELA, Paul H. SILVIS
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Publication number: 20170130334Abstract: Thermal chemical vapor deposition split-functionalizing processes, coatings, and products are disclosed. The thermal chemical vapor deposition split-functionalizing process includes positioning an article within an enclosed chamber, functionalizing the article within a first temperature range for a first period of time, and then further functionalizing the article within a second temperature range for a second period of time. The thermal chemical vapor deposition split-functionalized product includes a functionalization formed by functionalizing within a first temperature range for a first period of time and a further functionalization formed by further functionalizing within a second temperature range for a second period of time.Type: ApplicationFiled: November 5, 2015Publication date: May 11, 2017Inventors: Min YUAN, Paul H. SILVIS, David A. SMITH, James B. MATTZELA
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Publication number: 20160289824Abstract: An article including a coating and a process including an article with a coating are disclosed. The article includes an aluminum-containing substrate including, by weight, at least 95% aluminum, and a coated and stabilized surface on the aluminum-containing substrate, the coated and stabilized surface being applied by thermal chemical vapor deposition at a temperature of less than 600° C. The process includes transporting fluid along a coated and stabilized surface positioned on an aluminum-containing substrate.Type: ApplicationFiled: April 1, 2015Publication date: October 6, 2016Inventors: James B. MATTZELA, Min YUAN, David A. SMITH, Paul H. SILVIS
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Publication number: 20160289124Abstract: Thermal chemical vapor deposition products and processes are disclosed. The products include a ceramic substrate and a non-porous surface on the ceramic substrate, the non-porous surface including a ceramic material. The process includes transporting fluid along a non-porous surface, the non-porous surface being positioned on a ceramic substrate and being a thermal chemical vapor deposition coating.Type: ApplicationFiled: April 1, 2015Publication date: October 6, 2016Inventors: James B. MATTZELA, Min YUAN, David A. SMITH, Paul H. SILVIS