Patents by Inventor Junqiang Zhang
Junqiang 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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Patent number: 11596536Abstract: An implant delivery device includes a holder, a guide rod, and a sliding handle. One end of the guide rod is connected to the holder, and the other end of the guide rod penetrates the sliding handle. Multiple first engagement structures axially spaced apart from each other are disposed on an outer surface of the guide rod. The delivery device also includes a position locking device disposed in the sliding handle. The position locking device includes a tooth block) and an elastic component. The tooth block is sleeved on the guide rod and is provided with a second engagement structure. The elastic component and the tooth block cooperate to allow the first engagement structures and the second engagement structure to engage with each other allowing an implant to be in a release-locked state. These and other elements allow for the implant to be gradually released or release-locked.Type: GrantFiled: November 2, 2018Date of Patent: March 7, 2023Assignee: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventor: Junqiang Zhang
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Publication number: 20220409411Abstract: A conveyor and a lumen apparatus delivery system. The conveyor includes a sheath core tube, a delivery sheath and an operating handle. The proximal end of the sheath core tube and the proximal end of the delivery sheath are both connected to the operating handle. The delivery sheath and the sheath core tube are both a hollow tube. The delivery sheath is sleeved on the sheath core tube in an axially slidable manner, and the delivery sheath and the sheath core tube cooperatively define a storable cavity. The delivery sheath includes a loading portion, a pushing portion and a connecting portion. The proximal end of the loading portion is connected to the distal end of the pushing portion; the proximal end of the pushing portion is connected to the distal end of the connecting portion, and the proximal end of the connecting portion is connected to the operating handle.Type: ApplicationFiled: December 16, 2020Publication date: December 29, 2022Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTD.Inventors: Benhao XIAO, Junqiang ZHANG
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Patent number: 11326319Abstract: A hydraulic torque converter transmission system for a dynamic compactor and the dynamic compactor includes an engine, a hydraulic torque converter, a winch, a transfer case, a gearbox, a transmission case, and a reduction gearbox; the power of the engine is transmitted to the winch by means of the hydraulic torque converter; a part of the power of the engine is transmitted to the hydraulic torque converter through the transfer case, and an other part of the power of the engine is transmitted to a hydraulic pump through the transfer case. An output power is transmitted to the transmission case through the gearbox, and the output power of the transmission case is driven by the reduction gearbox to rotate the winch. An output shaft of the engine is along an X-axis directional arrangement, a winch rotating shaft is arranged along a Y-axis direction.Type: GrantFiled: March 15, 2018Date of Patent: May 10, 2022Inventor: Junqiang Zhang
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Publication number: 20220062017Abstract: An anti-shrinkage device for a conveyor and a conveyor thereof, wherein the anti-shrinkage device is sleeved on a sheath core tube of a conveyor and is located between an end head of the conveyor and a push rod. The anti-shrinkage device includes at least two hollow anti-retraction members, and the at least two anti-retraction members are arranged at an interval along the length direction of the sheath core tube. The anti-shrinkage device further includes a connection member that connects any two adjacent anti-retraction members among the at least two anti-retraction members.Type: ApplicationFiled: July 10, 2019Publication date: March 3, 2022Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventors: Junqiang ZHANG, Gang WANG
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Publication number: 20200345525Abstract: An implant delivery device includes a holder, a guide rod, and a sliding handle. One end of the guide rod is connected to the holder, and the other end of the guide rod penetrates the sliding handle. Multiple first engagement structures axially spaced apart from each other are disposed on an outer surface of the guide rod. The delivery device also includes a position locking device disposed in the sliding handle. The position locking device includes a tooth block) and an elastic component. The tooth block is sleeved on the guide rod and is provided with a second engagement structure. The elastic component and the tooth block cooperate to allow the first engagement structures and the second engagement structure to engage with each other allowing an implant to be in a release-locked state. These and other elements allow for the implant to be gradually released or release-locked.Type: ApplicationFiled: November 2, 2018Publication date: November 5, 2020Applicant: LIFETECH SCIENTIFIC (SHENZHEN) CO., LTDInventor: Junqiang ZHANG
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Patent number: 10799379Abstract: A delivery system (200) for delivering a lumen stent (100).Type: GrantFiled: June 14, 2016Date of Patent: October 13, 2020Assignee: Lifetech Scientific (Shenzhen) Co. Ltd.Inventors: Junqiang Zhang, Gang Wang, Chengmei Guan
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Patent number: 10723947Abstract: Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly.Type: GrantFiled: April 21, 2016Date of Patent: July 28, 2020Assignee: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Yunyun Liu, Wenming Han, Wenquan Ding, Pengfei Li, Haibin Xu, Lifang Yao, Di He, Wenyang Ma, Heming Zhang, Junqiang Zhang
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Publication number: 20200048554Abstract: The present invention provides a liquid crystal composition, comprising, 14-30% of one or more compounds of general Formula I, 8-30% of one or more compounds of general Formula II, 13-58% of one or more compounds of general Formula III, and 20-65% of one or more compounds of general Formula IV, on the basis of the total weight of the liquid crystal composition. The liquid crystal composition of the present invention has a higher retardation, a higher transmittance, a larger optical anisotropy, a proper clearing point, a lower rotational viscosity and a good low-temperature storage stability, and is applicable to liquid crystal display devices to meet the rapid response required by a liquid crystal display, and ensure good display of the liquid crystal display in a harsh environment.Type: ApplicationFiled: October 27, 2017Publication date: February 13, 2020Applicant: Jiangsu Hecheng Display Technology Co., Ltd.Inventors: Di He, Wenming Han, Wenquan Ding, Haibin Xu, Heming Zhang, Junqiang Zhang, Yafei Yang, Yunyun Liu, Li Wang, Liwei Wang
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Publication number: 20200011021Abstract: A hydraulic torque converter transmission system for a dynamic compactor and the dynamic compactor includes an engine, a hydraulic torque converter, a winch, a transfer case, a gearbox, a transmission case, and a reduction gearbox; the power of the engine is transmitted to the winch by means of the hydraulic torque converter; a part of the power of the engine is transmitted to the hydraulic torque converter through the transfer case, and an other part of the power of the engine is transmitted to a hydraulic pump through the transfer case. An output power is transmitted to the transmission case through the gearbox, and the output power of the transmission case is driven by the reduction gearbox to rotate the winch. An output shaft of the engine is along an X-axis directional arrangement, a winch rotating shaft is arranged along a Y-axis direction.Type: ApplicationFiled: March 15, 2018Publication date: January 9, 2020Inventor: Junqiang ZHANG
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Publication number: 20180369006Abstract: A delivery system (200) for delivering a lumen stent (100).Type: ApplicationFiled: June 14, 2016Publication date: December 27, 2018Applicant: Lifetech Scientific (Shenzhen) Co., Ltd.Inventors: Junqiang ZHANG, Gang WANG, Chengmei GUAN
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Publication number: 20180105747Abstract: Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly.Type: ApplicationFiled: April 21, 2016Publication date: April 19, 2018Applicant: JIANGSU HECHENG DISPLAY TECHNOLOGY CO., LTD.Inventors: Yunyun LIU, Wenming HAN, Wenquan DING, Pengfei LI, Haibin XU, Lifang YAO, Di HE, Wenyang MA, Heming ZHANG, Junqiang ZHANG
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Patent number: 9434886Abstract: A process for extracting lycopene, comprising the following steps: pressing and dehydrating tomato pomace which is the by-products of tomato processing production, then drying it to control the water content in the range from 10% to 20%; crushing the dried tomato pomace, and separating tomato skins and tomato seeds by air blast process, granulating the separated tomato skins and extracting them, then purifying by removing impurity from the extracted lycopene with active carbon.Type: GrantFiled: December 31, 2011Date of Patent: September 6, 2016Assignee: Chenguang Biotech Group Co. Ltd.Inventors: Qingguo Lu, Yunhe Lian, Wenjie Han, Yuhai Tong, Xuehui Su, Xiaodong An, Junqiang Zhang
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Publication number: 20140316175Abstract: A process for extracting lycopene, comprising the following steps: pressing and dehydrating tomato pomace which is the by-products of tomato processing production, then drying it to control the water content in the range from 10% to 20%; crushing the dried tomato pomace, and separating tomato skins and tomato seeds by air blast process, granulating the separated tomato skins and extracting them, then purifying by removing impurity from the extracted lycopene with active carbon.Type: ApplicationFiled: December 31, 2011Publication date: October 23, 2014Applicant: CHENGUANG BIOTECH GROUP CO. LTD.Inventors: Qingguo Lu, Yunhe Lian, Wenjie Han, Yuhai Tong, Xuehui Su, Xiaodong An, Junqiang Zhang
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Patent number: 8598820Abstract: A surge current protection circuit, has a control unit having an output end, a photoelectric coupling and driving circuit, a silicon symmetrical switch having a control end, and a current-limiting resistor. The current-limiting resistor and the silicon symmetrical switch are parallel connected altogether and then serially connected to a load and an AC input, and the control end of the silicon symmetrical switch is connected to the output end of the control unit via the photoelectric coupling and driving circuit. The invention features low production cost, high reliability and improved power efficiency, and is capable of effectively suppressing surge current.Type: GrantFiled: October 19, 2009Date of Patent: December 3, 2013Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.Inventors: Yong Zhao, Junqiang Zhang, Dawei Liu
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Patent number: 8035331Abstract: An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal.Type: GrantFiled: August 18, 2009Date of Patent: October 11, 2011Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.Inventors: Yong Zhao, Junqiang Zhang, Dawei Liu, Songfa Tang
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Publication number: 20100214702Abstract: An over-current protection circuit, has a main transmission circuit including at least a first triode and a first resistor, a trigger circuit including a second triode and a second resistor, and a detecting circuit having an input terminal and an output terminal. One end of the first resistor is connected to one end of a collecting electrode and an emitting electrode of the first triode. The other end of the first resistor is connected to a current output. The other end of the collecting electrode and the emitting electrode of the first triode is connected to a current input. One end of the second resistor is connected to a collecting electrode of the second triode. The other end of the second resistor is connected to the ground. An emitting electrode of the second triode is connected to the current input. The collecting electrode of the second triode is connected to a base electrode of the first triode.Type: ApplicationFiled: December 15, 2009Publication date: August 26, 2010Applicant: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD.Inventors: Yong ZHAO, Junqiang ZHANG, Dawei LIU, Songfa TANG
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Publication number: 20100207556Abstract: An AC/DC converting circuit, has a full-bridge rectifier having two input terminals and two output terminals, a first capacitor, a second capacitor, an electronic switch having a control terminal, a trigger circuit having an input terminal and an output terminal, and a detecting circuit having an input terminal and an output terminal.Type: ApplicationFiled: August 18, 2009Publication date: August 19, 2010Applicant: Zhongshan Broad-Ocean Motor Co., Ltd.Inventors: Yong ZHAO, Junqiang ZHANG, Dawei LIU, Songfa TANG
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Publication number: 20100208395Abstract: A surge current protection circuit, has a control unit having an output end, a photoelectric coupling and driving circuit, a silicon symmetrical switch having a control end, and a current-limiting resistor. The current-limiting resistor and the silicon symmetrical switch are parallel connected altogether and then serially connected to a load and an AC input, and the control end of the silicon symmetrical switch is connected to the output end of the control unit via the photoelectric coupling and driving circuit. The invention features low production cost, high reliability and improved power efficiency, and is capable of effectively suppressing surge current.Type: ApplicationFiled: October 19, 2009Publication date: August 19, 2010Applicant: ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD.Inventors: Yong ZHAO, Junqiang ZHANG, Dawei LIU
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Patent number: D994035Type: GrantFiled: March 1, 2023Date of Patent: August 1, 2023Assignee: Shenzhen Yiluxiang Electronic Commerce Co., Ltd.Inventors: Junqiang Zhang, Suling Qiu, Liwei Peng, Liyao Peng