Patents by Inventor Ronald Penich
Ronald Penich 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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Patent number: 11453063Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.Type: GrantFiled: February 6, 2020Date of Patent: September 27, 2022Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Chen Chen, Zhenyu Liu, Nicholas F. Waggle, Jr.
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Patent number: 10808325Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1?xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: GrantFiled: December 7, 2018Date of Patent: October 20, 2020Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20200173012Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.Type: ApplicationFiled: February 6, 2020Publication date: June 4, 2020Inventors: Vineet Kumar, Ronald Penich, Chen Chen, Zhenyu Liu, Nicholas F. Waggle, JR.
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Patent number: 10570501Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.Type: GrantFiled: May 31, 2017Date of Patent: February 25, 2020Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Chen Chen, Zhenyu Liu, Nicholas F. Waggle, Jr.
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Publication number: 20190106795Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1?xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: ApplicationFiled: December 7, 2018Publication date: April 11, 2019Inventors: Vineet KUMAR, Ronald PENICH, Yixiong LIU
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Patent number: 10184187Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: GrantFiled: July 14, 2016Date of Patent: January 22, 2019Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20180347027Abstract: In one aspect, coatings are described herein employing composite architectures providing high aluminum content and high hardness for various cutting applications. For example, a coated cutting tool comprises a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising a plurality of sublayer groups, a sublayer group comprising a titanium aluminum nitride sublayer and an adjacent composite sublayer comprising alternating nanolayers of titanium silicon nitride and titanium aluminum nitride.Type: ApplicationFiled: May 31, 2017Publication date: December 6, 2018Inventors: Vineet KUMAR, Ronald Penich, Chen Chen, Zhenyu Liu, Nicholas F. Waggle
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Patent number: 9896767Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: GrantFiled: April 9, 2014Date of Patent: February 20, 2018Assignee: KENNAMETAL INCInventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20160319439Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: ApplicationFiled: July 14, 2016Publication date: November 3, 2016Inventors: Vineet KUMAR, Ronald Penich, Yixiong Liu
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Patent number: 9168664Abstract: In one aspect, coated cutting tools are described herein. In some embodiments, a coated cutting tool comprises a substrate and a refractory layer deposited by PVD adhered to the substrate, the refractory layer comprising M1?xAlxN wherein x?0.4 and M is titanium, chromium or zirconium, the refractory layer having a thickness greater than 5 ?m, hardness of at least 25 GPa and residual compressive stress less than 2.5 GPa.Type: GrantFiled: August 16, 2013Date of Patent: October 27, 2015Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Peter Leicht, Yixiong Liu
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Patent number: 9103036Abstract: Refractory coatings for cutting tool applications and methods of making the same are described herein which, in some embodiments, permit incorporation of increased levels of aluminum into nitride coatings while reducing or maintaining levels of hexagonal phase in such coatings. Coatings and methods described herein, for example, employ cubic phase forming compositions for limiting hexagonal phase in nitride coatings of high aluminum content.Type: GrantFiled: March 15, 2013Date of Patent: August 11, 2015Assignee: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20150050490Abstract: In one aspect, coated cutting tools are described herein comprising a substrate and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x?0.68 and M is titanium, chromium or zirconium, the refractory layer including a cubic crystalline phase and having hardness of at least 25 GPa.Type: ApplicationFiled: April 9, 2014Publication date: February 19, 2015Applicant: KENNAMETAL INC.Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20150050489Abstract: In one aspect, coated cutting tools are described herein. In some embodiments, a coated cutting tool comprises a substrate and a refractory layer deposited by PVD adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x?0.4 and M is titanium, chromium or zirconium, the refractory layer having a thickness greater than 5 ?m, hardness of at least 25 GPa and residual compressive stress less than 2.5 GPa.Type: ApplicationFiled: August 16, 2013Publication date: February 19, 2015Applicant: Kennametal Inc.Inventors: Vineet Kumar, Ronald Penich, Peter Leicht, Yixiong Liu
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Publication number: 20140272391Abstract: Refractory coatings for cutting tool applications and methods of making the same are described herein which, in some embodiments, permit incorporation of increased levels of aluminum into nitride coatings while reducing or maintaining levels of hexagonal phase in such coatings. Coatings and methods described herein, for example, employ cubic phase forming compositions for limiting hexagonal phase in nitride coatings of high aluminum content.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: Kennametal Inc.Inventors: Vineet Kumar, Ronald Penich, Yixiong Liu
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Publication number: 20050170219Abstract: A nanolayered coated cutting tool that includes a substrate that has a surface with a coating on the surface thereof. The coating comprises a plurality of coating sets of alternating nanolayers of titanium nitride and titanium aluminum nitride wherein each coating set has a thickness up to about 100 nanometers. The coating includes a bonding region and an outer region. The bonding region comprises a plurality of the coating sets wherein the thickness of each coating set increases as the set moves away from the surface of the substrate. The outer region comprises a plurality of the coating sets wherein the thickness of each coating set is about equal.Type: ApplicationFiled: April 4, 2005Publication date: August 4, 2005Inventors: Ronald Penich, Parag Hegde, Aharon Inspektor