Patents by Inventor Qiang LAN
Qiang LAN 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: 12148547Abstract: A method for developing an epoxy resin impregnated glass fiber Direct Current (DC) bushing, comprising: according to length parameters of each layer of capacitive screen or resistive screen designed depending on insulation requirements, selecting bushing design parameters, determining a winding machine program according to the bushing design parameters, and winding a core body according to the winding machine program, wherein during the core body winding process, the core body begins to be initially cured; after the core body is wound, curing the core body by an oven according to a preset oven temperature and duration; machining the cured core body according to a preset core body design drawing; after the inner wall of a flange is polished and cleaned and is heated and pretreated by the oven, injecting glue at the position of a glue injection hole of the flange for gluing the core body and the flange; sequentially assembling a collector ring, a hollow composite insulator, and a voltage-equalizing sealing coveType: GrantFiled: December 7, 2020Date of Patent: November 19, 2024Assignees: WUHAN NARI LIMITED LIABILITY COMPANY OF STATE GRID ELECTRIC POWER RESEARCH INSTITUTE, NARI GROUP CORPORATIONInventors: Jiangang Deng, Zhenbo Lan, Zhuolin Xu, You Song, Yu Nie, Lei Ke, Hao Zhan, Jun Fu, Qiang Sun, Yuefei Mao, Qian Ma, Qianwen Zhou, Kaikai Gu, Haoxin Li, Lei Shi, Yu Xu, Cheng Tang, Yakai Peng, Youyi Shi
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Publication number: 20240360154Abstract: Disclosed are an aroyl substituted tricyclic compound, a preparation method therefor and use thereof. Specifically, the aroyl substituted tricyclic compound of the present invention has a structure of formula (C), and has, as a BTK inhibitor, the advantages of high activity, good selectivity and low toxic and side effects.Type: ApplicationFiled: September 21, 2021Publication date: October 31, 2024Inventors: Fusheng ZHOU, Tao JIANG, Yingtao LIU, Chonglan LIN, Leitao ZHANG, Zhubo LIU, Kai MA, Wan HE, Xiaoming XU, Lijian FENG, Xiaoling LAN, Qian DING, Qiang LV, Jiong LAN
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Patent number: 12079407Abstract: A touch sensor includes a substrate, sensing channels, and a protective layer. The sensing channels are disposed at intervals on a surface of the substrate, and any one of the sensing channels includes an electrode portion and a silver trace portion electrically connected to the electrode portion. The protective layer is disposed on the substrate and covers and encapsulates the sensing channels. After the touch sensor is subjected to a salt spray test with sodium chloride solution of a mass percentage concentration of 5% at a rate of 1 mL/H to 2 mL/H under an ambient temperature of 35° C. for 48 hours, a resistance change rate of any one of the sensing channels is less than or equal to 10%, and a resistance distribution difference between the sensing channels is less than or equal to 10%.Type: GrantFiled: September 26, 2023Date of Patent: September 3, 2024Assignee: TPK Advanced Solutions Inc.Inventors: Shao Jie Liu, Si Qiang Xu, Chien Hsien Yu, Chia Jui Lin, Jian Zhang, Wei Na Cao, Mei Fang Lan, Jun Hua Huang, Mei Fen Bai, Song Xin Wang
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Patent number: 11795370Abstract: Compositions and methods of using such compositions to inhibit the formation of gas hydrate agglomerates are provided. In certain embodiments, the methods include: contacting a fluid with a hydrate inhibitor composition that includes at least one compound having the structural formula (I) wherein R1 is hydrogen or any C1 to C8 hydrocarbon chain; each of R2 and R3 is independently a C1 to C8 hydrocarbon chain; R4 is hydrogen, a C1 to C20 hydrocarbon chain, or —CH2—CH(OH)—R5; R5 is a C1 to C50 alkyl chain or a C1 to C50 alkenyl chain; X? is a counter anion; and n is an integer from 1 to 8.Type: GrantFiled: September 25, 2018Date of Patent: October 24, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Qiang Lan, Deepak S. Monteiro
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Patent number: 11760916Abstract: A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula: wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and X— is selected from the group of a carboxylate, an acrylate, a methacrylate, a halide, a phosphonate, a sulfate, a sulfonate, a hydroxide, a carbonate, or any combination thereof; and The co-surfactant is present in the inhibitor blend in an amount of no greater than about 10 percent by weight based on the total weight of the blend.Type: GrantFiled: January 31, 2019Date of Patent: September 19, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Deepak S. Monteiro, Qiang Lan, Loan Vo, Philippe Prince
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Patent number: 11597865Abstract: Dual cation hydrate inhibitor compositions and methods of using such compositions to, for example, inhibit the formation of gas hydrate agglomerates are provided. In some embodiments, such methods include introducing a hydrate inhibitor composition into a fluid, wherein the hydrate inhibitor composition includes at least one compound having the structural formula: wherein each of R1, R2, and R3 is independently a C1 to C6 hydrocarbon chain, wherein R4 is selected from the group consisting of hydrogen and any C1 to C50 hydrocarbon chain, wherein each of R5 and R6 is independently selected from the group consisting of hydrogen and a C1 to C50 hydrocarbon chain, wherein X? and Y? are counter anions, and wherein each of a and b is independently an integer from 1 to 10.Type: GrantFiled: April 15, 2022Date of Patent: March 7, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Loan Vo, Deepak S. Monteiro, Qiang Lan, Philippe Prince
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Patent number: 11542426Abstract: Methods for providing corrosion inhibition in conduits, containers, and wellbores penetrating subterranean formations are provided. In some embodiments, the methods comprise contacting a metal surface with a fluid comprising a corrosion inhibitor additive. In certain embodiments, the corrosion inhibitor additive comprises a compound comprising a hydrophobic cation moiety, one or more lipophilic tails, and a linking moiety.Type: GrantFiled: September 29, 2017Date of Patent: January 3, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Qiang Lan, Nathan Darrell Davis
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Publication number: 20220235260Abstract: Dual cation hydrate inhibitor compositions and methods of using such compositions to, for example, inhibit the formation of gas hydrate agglomerates are provided. In some embodiments, such methods include introducing a hydrate inhibitor composition into a fluid, wherein the hydrate inhibitor composition includes at least one compound having the structural formula: wherein each of R1, R2, and R3 is independently a C1 to C6 hydrocarbon chain, wherein R4 is selected from the group consisting of hydrogen and any C1 to C50 hydrocarbon chain, wherein each of R5 and R6 is independently selected from the group consisting of hydrogen and a C1 to C50 hydrocarbon chain, wherein X? and Y? are counter anions, and wherein each of a and b is independently an integer from 1 to 10.Type: ApplicationFiled: April 15, 2022Publication date: July 28, 2022Inventors: Loan Vo, Deepak S. Monteiro, Qiang Lan, Philippe Prince
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Patent number: 11332657Abstract: Dual cation hydrate inhibitor compositions and methods of using such compositions to, for example, inhibit the formation of gas hydrate agglomerates are provided. In some embodiments, such methods include introducing a hydrate inhibitor composition into a fluid, wherein the hydrate inhibitor composition includes at least one compound having the structural formula: wherein each of R1, R2, and R3 is independently a C1 to C6 hydrocarbon chain, wherein R4 is selected from the group consisting of hydrogen and any C1 to C50 hydrocarbon chain, wherein each of R5 and R6 is independently selected from the group consisting of hydrogen and a C1 to C50 hydrocarbon chain, wherein X? and Y? are counter anions, and wherein each of a and b is independently an integer from 1 to 10.Type: GrantFiled: May 23, 2019Date of Patent: May 17, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Loan Vo, Deepak S. Monteiro, Qiang Lan, Philippe Prince
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Publication number: 20220106518Abstract: A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula: wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and X— is selected from the group of a carboxylate, an acrylate, a methacrylate, a halide, a phosphonate, a sulfate, a sulfonate, a hydroxide, a carbonate, or any combination thereof; and The co-surfactant is present in the inhibitor blend in an amount of no greater than about 10 percent by weight based on the total weight of the blend.Type: ApplicationFiled: January 31, 2019Publication date: April 7, 2022Inventors: Deepak S. Monteiro, Qiang Lan, Loan Vo, Philippe Prince
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Publication number: 20210253937Abstract: Compositions and methods of using such compositions to inhibit the formation of gas hydrate agglomerates are provided. In certain embodiments, the methods include: contacting a fluid with a hydrate inhibitor composition that includes at least one compound having the structural formula (I) wherein R1 is hydrogen or any C1 to C8 hydrocarbon chain; each of R2 and R3 is independently a C1 to C8 hydrocarbon chain; R4 is hydrogen, a C1 to C20 hydrocarbon chain, or —CH2—CH(OH)—R5; R5 is a C1 to C50 alkyl chain or a C1 to C50 alkenyl chain; X? is a counter anion; and n is an integer from 1 to 8.Type: ApplicationFiled: September 25, 2018Publication date: August 19, 2021Inventors: Qiang Lan, Deepak S. Monteiro
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Patent number: 11084970Abstract: Included are compositions, methods, and systems for producing and using winterized paraffin inhibitor solutions. An example composition comprises a paraffin inhibitor solution; and an additive comprising a first portion and a second portion; wherein the first portion is selected from the functional groups consisting of sulfo, phosphate, phosphonate, ester, carboxyl, hydroxyl, and any combination thereof; wherein the second portion is selected from the functional groups consisting of linear alkyl, branched alkyl, alkyl phenyl, ethoxylated branched alkyl, propoxylated branched alkyl, and any combination thereof.Type: GrantFiled: December 4, 2017Date of Patent: August 10, 2021Assignee: MULTI-CHEM GROUP, LLCInventors: Nathan D. Davis, Qiang Lan, Ying Cong Jiang, Kiran Gawas, Janet L. Ngo
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Publication number: 20210079290Abstract: Methods for providing corrosion inhibition in conduits, containers, and wellbores penetrating subterranean formations are provided. In some embodiments, the methods comprise contacting a metal surface with a fluid comprising a corrosion inhibitor additive. In certain embodiments, the corrosion inhibitor additive comprises a compound comprising a hydrophobic cation moiety, one or more lipophilic tails, and a linking moiety.Type: ApplicationFiled: September 29, 2017Publication date: March 18, 2021Inventors: Qiang Lan, Nathan Darrell Davis
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Publication number: 20210071065Abstract: Dual cation hydrate inhibitor compositions and methods of using such compositions to, for example, inhibit the formation of gas hydrate agglomerates are provided. In some embodiments, such methods include introducing a hydrate inhibitor composition into a fluid, wherein the hydrate inhibitor composition includes at least one compound having the structural formula: wherein each of R1, R2, and R3 is independently a C1 to C6 hydrocarbon chain, wherein R4 is selected from the group consisting of hydrogen and any C1 to C50 hydrocarbon chain, wherein each of R5 and R6 is independently selected from the group consisting of hydrogen and a C1 to C50 hydrocarbon chain, wherein X? and Y? are counter anions, and wherein each of a and b is independently an integer from 1 to 10.Type: ApplicationFiled: May 23, 2019Publication date: March 11, 2021Inventors: Loan Vo, Deepak S. Monteiro, Qiang Lan, Philippe Prince
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Patent number: 10934470Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a low-dosage hydrate inhibitor additive into a fluid, wherein the low-dosage hydrate inhibitor additive comprises a quaternary or tertiary ammonium cation moiety, a lipophilic tail, and a sulfonate anion moiety; and exposing the low-dosage hydrate inhibitor additive to a temperature above about 200° F.Type: GrantFiled: December 18, 2015Date of Patent: March 2, 2021Assignee: Multi-Chem Group, LLCInventors: Qiang Lan, Deepak Monteiro, Mark Paul Ceglio, II, Erick J. Acosta, Pushkala Krishnamurthy
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Patent number: 10808163Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises two hydrophobic cation moieties, a lipophilic tail, and two linking moieties.Type: GrantFiled: September 5, 2018Date of Patent: October 20, 2020Assignee: Multi-Chem Group, LLCInventors: Qiang Lan, Deepak Steven Monteiro, Mark Paul Ceglio, II, Pushkala Krishnamurthy, Erick J. Acosta
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Publication number: 20200277526Abstract: Included are compositions, methods, and systems for producing and using winterized paraffin inhibitor solutions. An example composition comprises a paraffin inhibitor solution; and an additive comprising a first portion and a second portion; wherein the first portion is selected from the functional groups consisting of sulfo, phosphate, phosphonate, ester, carboxyl, hydroxyl, and any combination thereof; wherein the second portion is selected from the functional groups consisting of linear alkyl, branched alkyl, alkyl phenyl, ethoxylated branched alkyl, propoxylated branched alkyl, and any combination thereof.Type: ApplicationFiled: December 4, 2017Publication date: September 3, 2020Inventors: Nathan D. DAVIS, Qiang LAN, Ying Cong JIANG, Kiran GAWAS, Janet L. NGO
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Publication number: 20200040249Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a low-dosage hydrate inhibitor additive into a fluid, wherein the low-dosage hydrate inhibitor additive comprises a quaternary or tertiary ammonium cation moiety, a lipophilic tail, and a sulfonate anion moiety; and exposing the low-dosage hydrate inhibitor additive to a temperature above about 200° F.Type: ApplicationFiled: December 18, 2015Publication date: February 6, 2020Inventors: Qiang Lan, Deepak Monteiro, Mark Paul Ceglio, II, Erick J. Acosta, Pushkala Krishnamurthy
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Publication number: 20190002751Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises two hydrophobic cation moieties, a lipophilic tail, and two linking moieties.Type: ApplicationFiled: September 5, 2018Publication date: January 3, 2019Inventors: Qiang Lan, Deepak Steven Monteiro, Mark Paul Ceglio, II, Pushkala Krishnamurthy, Erick J. Acosta
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Patent number: 10100241Abstract: Compositions and methods of using of such compositions to, for example, inhibit of the formation of gas hydrate agglomerates are provided. In one embodiment, the methods comprise: introducing a hydrate inhibitor composition comprising a compound into a fluid, wherein the compound comprises two hydrophobic cation moieties, a lipophilic tail, and two linking moieties.Type: GrantFiled: April 19, 2016Date of Patent: October 16, 2018Assignee: Multi-Chem Group, LLCInventors: Qiang Lan, Deepak Steven Monteiro, Mark Paul Ceglio, II, Pushkala Krishnamurthy, Erick J. Acosta