Patents by Inventor Charles J. Kuehmann
Charles J. Kuehmann 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: 11028468Abstract: A component for an electronic device can include a metal alloy formed by a metal injection molding process. The metal alloy can have a composition of about 32 wt % to about 38 wt % cobalt and about 62 wt % to about 68 wt % iron.Type: GrantFiled: February 12, 2019Date of Patent: June 8, 2021Assignee: APPLE INC.Inventors: John C. DiFonzo, Abhijeet Misra, Charles J. Kuehmann, Daniel T. McDonald
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Publication number: 20200239990Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.Type: ApplicationFiled: April 17, 2020Publication date: July 30, 2020Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
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Publication number: 20200181746Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.Type: ApplicationFiled: February 13, 2020Publication date: June 11, 2020Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
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Publication number: 20200107098Abstract: A component for an electronic device can include a metal alloy formed by a metal injection molding process. The metal alloy can have a composition of about 32 wt % to about 38 wt % cobalt and about 62 wt % to about 68 wt % iron.Type: ApplicationFiled: February 12, 2019Publication date: April 2, 2020Inventors: John C. DiFonzo, Abhijeet Misra, Charles J. Kuehmann, Daniel T. McDonald
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Patent number: 10597762Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.Type: GrantFiled: September 30, 2014Date of Patent: March 24, 2020Assignee: Apple Inc.Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
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Patent number: 10427380Abstract: The methods including applying a corrosion resistant alloy to a metal substrate to create a bimetal blank. The bimetal blank can undergo a variety of shaping and machining operations to form the net shape and internal structures of the part. Further, the part can undergo a finishing operation (e.g. polishing) to create the desired cosmetic appearance on the exterior surfaces and remove any surface imperfections resulting from the shaping and machining operations.Type: GrantFiled: May 19, 2016Date of Patent: October 1, 2019Assignee: Apple Inc.Inventors: Charles J. Kuehmann, Christopher M. Werner, Colin M. Ely, James A. Wright
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Patent number: 9627749Abstract: A patch for a device in an electronic housing including an aluminum layer having a threshold thickness, a non-conductive layer on a first side of the aluminum layer, and a radio-frequency (RF) transparent layer on a second side of the aluminum layer is provided. A method for manufacturing an antenna window including a patch as above is also provided, the method including determining a thickness of the aluminum layer adjacent to an anodized aluminum layer. A method for manufacturing an antenna window including coating an aluminum layer having a threshold thickness on a radio-frequency (RF) transparent layer to form an RF transparent laminate is also provided. A method for manufacturing an antenna window including removing a thickness of aluminum is also provided. A method for manufacturing an antenna window including disposing a mask on an aluminum substrate and anodizing the aluminum substrate to a selected thickness is also provided.Type: GrantFiled: March 23, 2016Date of Patent: April 18, 2017Assignee: APPLE INC.Inventors: Abhijeet Misra, Brian S. Tryon, Charles J. Kuehmann, Stephen B. Lynch, James A. Wright
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Publication number: 20160339540Abstract: The methods including applying a corrosion resistant alloy to a metal substrate to create a bimetal blank. The bimetal blank can undergo a variety of shaping and machining operations to form the net shape and internal structures of the part. Further, the part can undergo a finishing operation (e.g. polishing) to create the desired cosmetic appearance on the exterior surfaces and remove any surface imperfections resulting from the shaping and machining operations.Type: ApplicationFiled: May 19, 2016Publication date: November 24, 2016Inventors: Charles J. Kuehmann, Christopher M. Werner, Colin M. Ely, James A. Wright
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Publication number: 20160204502Abstract: A patch for a device in an electronic housing including an aluminum layer having a threshold thickness, a non-conductive layer on a first side of the aluminum layer, and a radio-frequency (RF) transparent layer on a second side of the aluminum layer is provided. A method for manufacturing an antenna window including a patch as above is also provided, the method including determining a thickness of the aluminum layer adjacent to an anodized aluminum layer. A method for manufacturing an antenna window including coating an aluminum layer having a threshold thickness on a radio-frequency (RF) transparent layer to form an RF transparent laminate is also provided. A method for manufacturing an antenna window including removing a thickness of aluminum is also provided. A method for manufacturing an antenna window including disposing a mask on an aluminum substrate and anodizing the aluminum substrate to a selected thickness is also provided.Type: ApplicationFiled: March 23, 2016Publication date: July 14, 2016Inventors: Abhijeet MISRA, Brian S. TRYON, Charles J. KUEHMANN, Stephen B. LYNCH, James A. WRIGHT
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Patent number: 9300036Abstract: A patch for a device in an electronic housing including an aluminum layer having a threshold thickness, a non-conductive layer on a first side of the aluminum layer, and a radio-frequency (RF) transparent layer on a second side of the aluminum layer is provided. A method for manufacturing an antenna window including a patch as above is also provided, the method including determining a thickness of the aluminum layer adjacent to an anodized aluminum layer. A method for manufacturing an antenna window including coating an aluminum layer having a threshold thickness on a radio-frequency (RF) transparent layer to form an RF transparent laminate is also provided. A method for manufacturing an antenna window including removing a thickness of aluminum is also provided. A method for manufacturing an antenna window including disposing a mask on an aluminum substrate and anodizing the aluminum substrate to a selected thickness is also provided.Type: GrantFiled: June 7, 2013Date of Patent: March 29, 2016Assignee: Apple Inc.Inventors: Abhijeet Misra, Brian S. Tryon, Charles J. Kuehmann, Stephen B. Lynch, James A. Wright
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Publication number: 20150090373Abstract: The disclosure provides an aluminum alloy including having varying ranges of alloying elements. In various aspects, the alloy has a wt % ratio of Zn to Mg ranging from 4:1 to 7:1. The disclosure further includes methods for producing an aluminum alloy and articles comprising the aluminum alloy.Type: ApplicationFiled: September 30, 2014Publication date: April 2, 2015Inventors: Brian M. Gable, James A. Wright, Charles J. Kuehmann, Brian Demers, Chune-Ching Young, Chun-Hsien Chiang
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Publication number: 20140361945Abstract: A patch for a device in an electronic housing including an aluminum layer having a threshold thickness, a non-conductive layer on a first side of the aluminum layer, and a radio-frequency (RF) transparent layer on a second side of the aluminum layer is provided. A method for manufacturing an antenna window including a patch as above is also provided, the method including determining a thickness of the aluminum layer adjacent to an anodized aluminum layer. A method for manufacturing an antenna window including coating an aluminum layer having a threshold thickness on a radio-frequency (RF) transparent layer to form an RF transparent laminate is also provided. A method for manufacturing an antenna window including removing a thickness of aluminum is also provided. A method for manufacturing an antenna window including disposing a mask on an aluminum substrate and anodizing the aluminum substrate to a selected thickness is also provided.Type: ApplicationFiled: June 7, 2013Publication date: December 11, 2014Inventors: Abhijeet MISRA, Brian S. TRYON, Charles J. KUEHMANN, Stephen B. LYNCH, James A. WRIGHT
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Patent number: 7967927Abstract: A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17% cobalt (Co), 0 to 10% nickel (Ni), 6 to 12% chromium (Cr), less than 1% silicon (Si), less than 0.5% manganese (Mn), and less than 0.15% copper (Cu), with additives selected from the group comprising about: less than 3% molybdenum (Mo), less than 0.3% niobium (Nb), less than 0.8% vanadium (V), less than 0.2% tantalum (Ta), less than 3% tungsten (W), and combinations thereof, with additional additives selected from the group comprising about: less than 0.2% titanium (Ti), less than 0.2% lanthanum (La) or other rare earth elements, less than 0.15% zirconium (Zr), less than 0.005% boron (B), and combinations thereof, impurities of less than about: 0.02% sulfur (S), 0.012% phosphorus (P), 0.015% oxygen (O) and 0.Type: GrantFiled: January 9, 2007Date of Patent: June 28, 2011Assignee: QuesTek Innovations, LLCInventors: Charles J. Kuehmann, Gregory B. Olson, Herng-Jeng Jou
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Publication number: 20100258217Abstract: A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17% cobalt (Co), 0 to 10% nickel (Ni), 6 to 12% chromium (Cr), less than 1% silicon (Si), less than 0.5% manganese (Mn), and less than 0.15% copper (Cu), with additives selected from the group comprising about: less than 3% molybdenum (Mo), less than 0.3% niobium (Nb), less than 0.8% vanadium (V), less than 0.2% tantalum (Ta), less than 3% tungsten (W), and combinations thereof, with additional additives selected from the group comprising about: less than 0.2% titanium (Ti), less than 0.2% lanthanum (La) or other rare earth elements, less than 0.15% zirconium (Zr), less than 0.005% boron (B), and combinations thereof, impurities of less than about: 0.02% sulfur (S), 0.012% phosphorus (P), 0.015% oxygen (O) and 0.Type: ApplicationFiled: January 9, 2007Publication date: October 14, 2010Applicant: QUESTEK INNOVATIOANS LLCInventors: Charles J. Kuehmann, Gregory B. Olson, Herng-Jeng Jou
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Patent number: 7235212Abstract: A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17% cobalt (Co), 0 to 5% nickel (Ni), 6 to 12% chromium (Cr), less than 1% silicon (Si), less than 0.5% manganese (Mn), and less than 0.15% copper (Cu), with additives selected from the group comprising about: less than 3% molybdenum (Mo), less than 0.3% niobium (Nb), less than 0.8% vanadium (V), less than 0.2% tantalum (Ta), less than 3% tungsten (W), and combinations thereof, with additional additives selected from the group comprising about: less than 0.2% titanium (Ti), less than 0.2% lanthanum (La) or other rare earth elements, less than 0.15% zirconium (Zr), less than 0.005% boron (B), and combinations thereof, impurities of less than about: 0.02% sulfur (S), 0.012% phosphorus (P), 0.015% oxygen (O) and 0.Type: GrantFiled: February 8, 2002Date of Patent: June 26, 2007Assignee: Ques Tek Innovations, LLCInventors: Charles J. Kuehmann, Gregory B. Olson, Herng-Jeng Jou
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Patent number: 7160399Abstract: A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17% cobalt (Co), 0 to 10% nickel (Ni), 6 to 12% chromium (Cr), less than 1% silicon (Si), less than 0.5% manganese (Mn), and less than 0.15% copper (Cu), with additives selected from the group comprising about: less than 3% molybdenum (Mo), less than 0.3% niobium (Nb), less than 0.8% vanadium (V), less than 0.2% tantalum (Ta), less than 3% tungsten (W), and combinations thereof, with additional additives selected from the group comprising about: less than 0.2% titanium (Ti), less than 0.2% lanthanum (La) or other rare earth elements, less than 0.15% zirconium (Zr), less than 0.005% boron (B), and combinations thereof, impurities of less than about: 0.02% sulfur (S), 0.012% phosphorus (P), 0.015% oxygen (O) and 0.Type: GrantFiled: February 6, 2003Date of Patent: January 9, 2007Assignee: QuesTek Innovations LLCInventors: Charles J. Kuehmann, Gregory B. Olson, Herng-Jeng Jou
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Patent number: 6695930Abstract: Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 wt % carbon; 15 to 28 wt % cobalt and 1.5 to 9.5 wt % in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron. Carburized roll form and punch dies and tools made from case hardened steel alloys with a reduced hardness core provide high wear and fatigue resistance as well as improved contact and bending fatigue resistance thereby avoiding premature failure and extending the useful life of such tools.Type: GrantFiled: March 25, 2002Date of Patent: February 24, 2004Assignee: Northwestern UniversityInventors: Charles J. Kuehmann, Gregory B. Olson, John P. Wise, Carelyn E. Campbell
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Publication number: 20030226625Abstract: A nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steel possesses a combination of strength and corrosion resistance comprising in combination, by weight, about: 0.1 to 0.3% carbon (C), 8 to 17% cobalt (Co), 0 to 10% nickel (Ni), 6 to 12% chromium (Cr), less than 1% silicon (Si), less than 0.5% manganese (Mn), and less than 0.15% copper (Cu), with additives selected from the group comprising about: less than 3% molybdenum (Mo), less than 0.3% niobium (Nb), less than 0.8% vanadium (V), less than 0.2% tantalum (Ta), less than 3% tungsten (W), and combinations thereof, with additional additives selected from the group comprising about: less than 0.2% titanium (Ti), less than 0.2% lanthanum (La) or other rare earth elements, less than 0.15% zirconium (Zr), less than 0.005% boron (B), and combinations thereof, impurities of less than about: 0.02% sulfur (S), 0.012% phosphorus (P), 0.015% oxygen (O) and 0.Type: ApplicationFiled: February 6, 2003Publication date: December 11, 2003Applicant: QuesTek Innovations LLCInventors: Charles J. Kuehmann, Gregory B. Olson, Herng-Jeng Jou
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Patent number: 6635126Abstract: Steel alloys susceptible to case and core hardening comprising 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron.Type: GrantFiled: November 25, 2002Date of Patent: October 21, 2003Assignee: Northwestern UniversityInventors: Charles J. Kuehmann, Gregory B. Olson, John P. Wise, Carelyn Campbell
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Publication number: 20030094216Abstract: Steel alloys susceptible to case and core hardening comprising 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and the balance iron.Type: ApplicationFiled: November 25, 2002Publication date: May 22, 2003Applicant: Northwestern UniversityInventors: Charles J. Kuehmann, Gregory B. Olson, John P. Wise, Carelyn Campbell