Patents by Inventor Wei-Jun Zhang
Wei-Jun Zhang 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: 20230357897Abstract: A nickel-based superalloy is provided, which includes: 5.6 wt % to 6.6 wt % aluminum; 6.0 wt % to 9.0 wt % tantalum; 4.0 wt % to 7.0 wt % chromium; 4.0 wt % to 7.0 wt % tungsten; 0.5 wt % to 2.5 wt % molybdenum; 1.5 wt % to 5.5 wt % rhenium; 7.0 wt % to 13.0 wt % cobalt; 0.1 wt % to 0.7 wt % hafnium; 0.001 wt % to 0.005 wt % carbon; 0.002 wt % to 0.05 wt % boron; up to 0.1 wt % yttrium; and a balance of nickel and incidental impurities, wherein the composition exhibits a rupture life that is greater than 80 hours at 1093.3° C. and 20 ksi and an oxidation resistance of less than 25.4 ?m surface loss at 1176.7° C. after a 400 hour Mach I test. Components are also provided formed from such a nickel-based superalloy.Type: ApplicationFiled: May 5, 2022Publication date: November 9, 2023Inventors: Wei-Jun Zhang, Manuel Acosta, Douglas Gerard Konitzer
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Publication number: 20230357896Abstract: A nickel-based superalloy composition is provided that includes 6.1 wt. % to 6.6 wt. % aluminum; 5.6 wt. % to 6.6 wt. % tantalum; 9.0 wt. % to 11.0 wt. % chromium; 5.5 wt % to 6.2 wt. % tungsten; 1.1 wt. % to 1.4 wt % molybdenum; 2.0 wt. % to 2.6 wt % rhenium; 5.5 wt. % to 10.0 wt % cobalt; 0.2 wt % to 0.5 wt % hafnium; up to 0.05 wt % carbon; 0.002 wt % to 0.01 wt % boron; and a balance of nickel and incidental impurities, wherein the composition exhibits a rupture life that is greater than 40 hours at 982.2° C. and 40 ksi, and wherein the composition exhibits a corrosion resistance of less than 50.8 ?m attack at 926.7° C. after a 940 hour burner rig test. Components are also provided formed from the composition.Type: ApplicationFiled: May 5, 2022Publication date: November 9, 2023Inventors: Wei-Jun Zhang, Douglas Gerard Konitzer
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Publication number: 20220167664Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette including the sorbent are also provided.Type: ApplicationFiled: February 16, 2022Publication date: June 2, 2022Applicant: Philip Morris USA Inc.Inventors: Wei-Jun ZHANG, Mark ZHUANG, Shahryar RABIEI, Firooz RASOULI
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Patent number: 11259563Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: GrantFiled: December 21, 2018Date of Patent: March 1, 2022Assignee: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Patent number: 10280486Abstract: A nickel-based superalloy composition includes from about 5 to about 7 wt % aluminum, from about 4 to about 8 wt % tantalum, from about 3 to about 8 wt % chromium, from about 3 to about 7 wt % tungsten, from 1 to about 5 wt % molybdenum, from 1.5 to about 5 wt % rhenium, from 5 to about 14 wt % cobalt, from about 0 to about 1 wt % hafnium, from about 0.01 to about 0.03 wt % carbon, from about 0.002 to about 0.006 wt % boron, and balance nickel and incidental impurities. The composition may exhibit a sustained peak low cycle fatigue life at 1800° F./45 ksi of at least about 4000 cycles. The nickel-based superalloy composition may be used in single-crystal or directionally solidified superalloy articles, such as a blade, nozzle, a shroud, a splash plate, and a combustor of a gas turbine engine.Type: GrantFiled: September 10, 2014Date of Patent: May 7, 2019Assignee: General Electric CompanyInventors: Wei-Jun Zhang, Douglas Gerard Konitzer, Joshua Leigh Miller
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Publication number: 20190110516Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: ApplicationFiled: December 21, 2018Publication date: April 18, 2019Applicant: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Patent number: 10182595Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: GrantFiled: December 9, 2014Date of Patent: January 22, 2019Assignee: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Patent number: 9656033Abstract: A handheld hydrosol delivery device includes a canister which is at least partially filled with a liquid formulation of one or more liquids and optional particles, and one or more propellants where at least one of the liquids, propellants, particles and combinations thereof is a flavor; a pressure valve which expels at least a portion of the liquid formulation and at least a portion of the propellant from the canister while dispersing the propellant into the liquid formulation forming a consumable flavored hydrosol comprising one or more gases dispersed within the liquid formulation, through a nozzle delivering the hydrosol to a user.Type: GrantFiled: November 9, 2015Date of Patent: May 23, 2017Assignee: Philip Morris USA Inc.Inventors: Firooz Rasouli, Wei-Jun Zhang, Jon Regrut, James Pflueger
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Publication number: 20160058048Abstract: A handheld hydrosol delivery device includes a canister which is at least partially filled with a liquid formulation of one or more liquids and optional particles, and one or more propellants where at least one of the liquids, propellants, particles and combinations thereof is a flavor; a pressure valve which expels at least a portion of the liquid formulation and at least a portion of the propellant from the canister while dispersing the propellant into the liquid formulation forming a consumable flavored hydrosol comprising one or more gases dispersed within the liquid formulation, through a nozzle delivering the hydrosol to a user.Type: ApplicationFiled: November 9, 2015Publication date: March 3, 2016Applicant: PHILIP MORRIS USA INC.Inventors: Firooz RASOULI, Wei-Jun ZHANG, Jon REGRUT, James PFLUEGER
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Patent number: 9179700Abstract: A handheld hydrosol delivery device includes a canister which is at least partially filled with a liquid formulation of one or more liquids and optional particles, and one or more propellants where at least one of the liquids, propellants, particles and combinations thereof is a flavor; a pressure valve which expels at least a portion of the liquid formulation and at least a portion of the propellant from the canister while dispersing the propellant into the liquid formulation forming a consumable flavored hydrosol comprising one or more gases dispersed within the liquid formulation, through a nozzle delivering the hydrosol to a user.Type: GrantFiled: November 10, 2010Date of Patent: November 10, 2015Assignee: Philip Morris USA Inc.Inventors: Firooz Rasouli, Wei-Jun Zhang, Jon Regrut, James Pflueger
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Publication number: 20150090283Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: ApplicationFiled: December 9, 2014Publication date: April 2, 2015Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Publication number: 20140377125Abstract: A nickel-based superalloy composition includes from about 5 to about 7 wt % aluminum, from about 4 to about 8 wt % tantalum, from about 3 to about 8 wt % chromium, from about 3 to about 7 wt % tungsten, from 1 to about 5 wt % molybdenum, from 1.5 to about 5 wt % rhenium, from 5 to about 14 wt % cobalt, from about 0 to about 1 wt % hafnium, from about 0.01 to about 0.03 wt % carbon, from about 0.002 to about 0.006 wt % boron, and balance nickel and incidental impurities. The composition may exhibit a sustained peak low cycle fatigue life at 1800° F./45 ksi of at least about 4000 cycles. The nickel-based superalloy composition may be used in single-crystal or directionally solidified superalloy articles, such as a blade, nozzle, a shroud, a splash plate, and a combustor of a gas turbine engine.Type: ApplicationFiled: September 10, 2014Publication date: December 25, 2014Inventors: Wei-Jun Zhang, Douglas Gerard Konitzer, JOSHUA LEIGH MILLER
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Patent number: 8905042Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: GrantFiled: August 27, 2013Date of Patent: December 9, 2014Assignee: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Patent number: 8858876Abstract: A nickel-based superalloy composition includes from about 5 to about 7 wt % aluminum, from about 4 to about 8 wt % tantalum, from about 3 to about 8 wt % chromium, from about 3 to about 7 wt % tungsten, from 1 to about 5 wt % molybdenum, from 1.5 to about 5 wt % rhenium, from 5 to about 14 wt % cobalt, from about 0 to about 1 wt % hafnium, from about 0.01 to about 0.03 wt % carbon, from about 0.002 to about 0.006 wt % boron, and balance nickel and incidental impurities. The composition may exhibit a sustained peak low cycle fatigue life at 1800° F./45 ksi of at least about 4000 cycles. The nickel-based superalloy composition may be used in single-crystal or directionally solidified superalloy articles, such as a blade, nozzle, a shroud, a splash plate, and a combustor of a gas turbine engine.Type: GrantFiled: October 31, 2012Date of Patent: October 14, 2014Assignee: General Electric CompanyInventors: Wei-Jun Zhang, Douglas Gerard Konitzer, Joshua Leigh Miller
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Publication number: 20140119979Abstract: A nickel-based superalloy composition includes from about 5 to about 7 wt % aluminum, from about 4 to about 8 wt % tantalum, from about 3 to about 8 wt % chromium, from about 3 to about 7 wt % tungsten, from 1 to about 5 wt % molybdenum, from 1.5 to about 5 wt % rhenium, from 5 to about 14 wt % cobalt, from about 0 to about 1 wt % hafnium, from about 0.01 to about 0.03 wt % carbon, from about 0.002 to about 0.006 wt % boron, and balance nickel and incidental impurities. The composition may exhibit a sustained peak low cycle fatigue life at 1800° F./45 ksi of at least about 4000 cycles. The nickel-based superalloy composition may be used in single-crystal or directionally solidified superalloy articles, such as a blade, nozzle, a shroud, a splash plate, and a combustor of a gas turbine engine.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: General Electric CompanyInventors: Wei-Jun Zhang, Douglas Gerard Konitzer, Joshua Leigh Miller
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Patent number: 8701681Abstract: Cigarette paper, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of an oxyhydroxide compound that is capable of decomposing to form at least one product capable of acting as an oxidant for the conversion of carbon monoxide to carbon dioxide and/or as a catalyst for the conversion of carbon monoxide to carbon dioxide. The oxyhydroxide compound and/or the product formed from the decomposition of the oxyhydroxide can be in the form of nanoparticles. The oxyhydroxide compounds can be represented by MOOH where M is a metal selected from the group consisting of transition metals, rare earth metals, and mixtures thereof.Type: GrantFiled: October 25, 2004Date of Patent: April 22, 2014Assignee: Philip Morris USA Inc.Inventors: Firooz Rasouli, Ping Li, Wei-Jun Zhang, Shalva Gedevanishvili
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Publication number: 20130340777Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: ApplicationFiled: August 27, 2013Publication date: December 26, 2013Applicant: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Patent number: 8539957Abstract: Filters and cigarettes include an activated carbon sorbent capable of selectively removing nitric oxide from mainstream tobacco smoke. Methods for making cigarette filters and cigarettes using the activated carbon sorbent and methods for treating mainstream tobacco smoke produced by smoking a cigarette comprising the sorbent are also provided.Type: GrantFiled: December 19, 2005Date of Patent: September 24, 2013Assignee: Philip Morris USA Inc.Inventors: Wei-Jun Zhang, Mark Zhuang, Shahryar Rabiei, Firooz Rasouli
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Publication number: 20120067737Abstract: A method and apparatus for producing particles from a starting material, which includes at least one electrochemically-reactive material, with metal counter ions is disclosed. The starting material can be a bulk material, a virgin material, a purified, recovered material, and/or an industrial waste. The electrochemical-reactive material can be recovered in particle form, including microparticles and/or nanoparticles. The recovered material can be substantially pure electrochemically-reactive material or an alloy of the electrochemically-reactive material. In some embodiments, one or more electrochemically-reactive materials can be selectively recovered from the starting material.Type: ApplicationFiled: May 3, 2011Publication date: March 22, 2012Applicant: Empire Technology Development LLCInventor: Wei-Jun Zhang
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Publication number: 20110250324Abstract: A handheld hydrosol delivery device includes a canister which is at least partially filled with a liquid formulation of one or more liquids and optional particles, and one or more propellants where at least one of the liquids, propellants, particles and combinations thereof is a flavor; a pressure valve which expels at least a portion of the liquid formulation and at least a portion of the propellant from the canister while dispersing the propellant into the liquid formulation forming a consumable flavored hydrosol comprising one or more gases dispersed within the liquid formulation, through a nozzle delivering the hydrosol to a user.Type: ApplicationFiled: November 10, 2010Publication date: October 13, 2011Applicant: Philip Morris USA Inc.Inventors: Firooz Rasouli, Wei-Jun Zhang, Jon Regrut, James Pflueger