Patents by Inventor Weimin Zhao
Weimin Zhao 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: 11951535Abstract: Disclosed is a casting furnace featuring submerged, mechanical control of liquid level, which relates to continuous casting and solves the problem of low billet productivity. The casting furnace featuring submerged, mechanical control of liquid level includes a melting furnace, a holding furnace, and a crystallizer, the crystallizer including a chamber for accommodating metal liquid, the holding furnace communicating with the melting furnace and the chamber, respectively, a traction head being provided on the crystallizer, the chamber maintaining communication with the holding furnace, the holding furnace including a liftable immersion device, the immersion device being submerged in the metal liquid to elevate liquid level height in the chamber; the crystallizer having a liquid level detecting device, lift height of the immersion device being adjusted based on a detection signal of the liquid level detecting device such that the liquid level in the chamber is maintained at a preset height.Type: GrantFiled: August 29, 2023Date of Patent: April 9, 2024Assignee: ZHEJIANG HAILIANG CO., LTD.Inventors: Huanfeng Feng, Gangfeng Sun, Weimin Ma, Xuelong Zhao
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Patent number: 11952283Abstract: A silicon-and germanium-based molecular sieve has a framework chemical composition as represented by the formula “SiO2.1/nGeO2”. The silicon/germanium molar ratio is 0.1n30. The molecular sieve has a unique X-ray diffraction pattern. It can be used in adsorptive separation, ion exchange, and catalytic conversion of organic compounds.Type: GrantFiled: July 9, 2020Date of Patent: April 9, 2024Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPECInventors: Weimin Yang, Wenhua Fu, Zhiqing Yuan, Zhendong Wang, Jiawei Teng, Weichuan Tao, Shengli Zhao
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Patent number: 11931797Abstract: A double-acting switch valve includes a mounting bracket and two mutually backup sealing assemblies disposed on the mounting bracket, each of the two sealing assemblies including a carbon rod and a carbon rod moving assembly, the carbon rod moving assembly being configured to translate, and elevate or lower the carbon rod so as to block or open a metal liquid channel between two metal liquid furnaces. Two sealing assemblies which are mutually replaceable, where when the carbon rod on one of the sealing assemblies is worn down, the other sealing assembly may take its place to block the metal liquid outlet again via the carbon rod; and then the worn-down carbon rod is renewed. This design eliminates the time taken for replacing the carbon rod and can reduce the amount of the metal liquid discharged via the metal liquid outlet during replacement of the carbon rod.Type: GrantFiled: August 29, 2023Date of Patent: March 19, 2024Assignee: ZHEJIANG HAILIANG CO., LTD.Inventors: Huanfeng Feng, Gangfeng Sun, Weimin Ma, Xuelong Zhao
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Patent number: 11700830Abstract: A pig production method by using a detachable and washable wet curtain for intensive pig farming The detachable and washable wet curtain includes a wet curtain mounting frame (1), a spray tube (4), a plurality of rotatable reels (7) equivalent to sleeves, a reel (6) with a buckle, a wet curtain net (8), a reel (10) with a buckle, and a manual handle (9). The wet curtain is formed by a low-cost common material, namely a plastic net and the like, is convenient to mount, detach, and wash, and is not prone to making dust, scale, algae, mosquitos, and the like accumulate thereon, thus reducing the replacement cost and use cost. Therefore, a new cooling method based on the wet curtain is provided for pig farms in summer, and it is also suitable for other livestock farms in summer.Type: GrantFiled: December 27, 2020Date of Patent: July 18, 2023Assignee: JIANGSU ACADEMY OF AGRICULTURAL SCIENCESInventors: Shouwen Ren, Xuemin Wang, Xiaomin Fang, Bixia Li, Yanfeng Fu, Weimin Zhao, Xiaobo Xu, Li Wang, Feng Tu, Guotai Wu
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Publication number: 20210298264Abstract: A pig production method by using a detachable and washable wet curtain for intensive pig farming. The detachable and washable wet curtain includes a wet curtain mounting frame (1), a spray tube (4), a plurality of rotatable reels (7) equivalent to sleeves, a reel (6) with a buckle, a wet curtain net (8), a reel (10) with a buckle, and a manual handle (9). The wet curtain is formed by a low-cost common material, namely a plastic net and the like, is convenient to mount, detach, and wash, and is not prone to making dust, scale, algae, mosquitos, and the like accumulate thereon, thus reducing the replacement cost and use cost. Therefore, a new cooling method based on the wet curtain is provided for pig farms in summer, and it is also suitable for other livestock farms in summer.Type: ApplicationFiled: December 27, 2020Publication date: September 30, 2021Inventors: Shouwen Ren, Xuemin Wang, Xiaomin Fang, Bixia Li, Yanfeng Fu, Weimin Zhao, Xiaobo Xu, Li Wang, Feng Tu, Guotai Wu
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Patent number: 10494699Abstract: The invention provides a method of refining aluminum alloy, which is characterized in that aluminum-based nanometer quasicrystal alloy is used as an aluminum alloy refiner to refine the aluminum alloy; the aluminum-based nanometer quasicrystal alloy does not comprise Si, Fe or Cr; the aluminum-based nanometer quasicrystal alloy consists of (1) Al; (2) Mn and (3) La and/or Ce. The refiner selected in the invention is rare earth-containing alloy which has a strong refinement ability on the aluminum alloy, and is nanometer quasicrystal; after adding the rare earth-containing alloy to melt, the element distribution of the rare earth-containing alloy is more uniform than that of traditional alloy; and nanometer quasicrystal particles substantially increase the number of heterogeneous nucleation particles and improve the grain refinement effect of the aluminum alloy.Type: GrantFiled: March 16, 2016Date of Patent: December 3, 2019Assignees: CITIC DICASTAL CO., LTD., Hebei University of TechnologyInventors: Lisheng Wang, Yongning Wang, Zhihua Zhu, Chunhai Liu, Changhai Li, Lateng A, Zhendong Zhang, Bangwei Bai, Weimin Zhao, Zhifeng Wang
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Publication number: 20160273075Abstract: The present invention provides an aluminium alloy refiner. The aluminium alloy refiner is characterized by comprising 7 to 10 parts of Ti, 2 to 3 parts of B and the balance of Al by weight, for example, 8 parts of Ti, 3 parts of B and 89 parts of Al by weight. The aluminium alloy refiner is prepared by rapid solidification. After the refiner is added to A356.2 aluminium alloy, the grain size of the alloy is significantly reduced than that of the aluminium alloy treated by a conventional refiner. Moreover, the solubility of metals in liquid may be increased due to rapid solidification, such that the refiner is more easily absorbed by the aluminium alloy melt after being added to the aluminium alloy.Type: ApplicationFiled: March 15, 2016Publication date: September 22, 2016Inventors: Yongning WANG, Zhihua ZHU, Chunhai LIU, Changhai LI, Lateng A, Lisheng WANG, Zhendong ZHANG, Bangwei BAI, Zheng FANG, Weimin ZHAO
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Publication number: 20160273076Abstract: The invention provides a method of refining aluminum alloy, which is characterized in that aluminum-based nanometer quasicrystal alloy is used as an aluminum alloy refiner to refine the aluminum alloy; the aluminum-based nanometer quasicrystal alloy does not comprise Si, Fe or Cr; the aluminum-based nanometer quasicrystal alloy consists of (1) Al; (2) Mn and (3) La and/or Ce. The refiner selected in the invention is rare earth-containing alloy which has a strong refinement ability on the aluminum alloy, and is nanometer quasicrystal; after adding the rare earth-containing alloy to melt, the element distribution of the rare earth-containing alloy is more uniform than that of traditional alloy; and nanometer quasicrystal particles substantially increase the number of heterogeneous nucleation particles and improve the grain refinement effect of the aluminum alloy.Type: ApplicationFiled: March 16, 2016Publication date: September 22, 2016Inventors: Lisheng WANG, Yongning WANG, Zhihua ZHU, Chunhai LIU, Changhai LI, Lateng A, Zhendong ZHANG, Bangwei BAI, Weimin ZHAO, Zhifeng WANG
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Patent number: 9012611Abstract: The present invention relates to the use of 3,8,12,14,17,20-oxo-substituted pregnene glycosides having the following formula I in the preparation of healthcare products, food additives and drugs for losing body weight, controlling body weight and inhibiting appetite of human beings or animals, wherein, R1 is a saccharide group, and R2 is an acyl group.Type: GrantFiled: November 7, 2011Date of Patent: April 21, 2015Assignee: Institute of Materia Medica, Chinese Academy of SciencesInventors: Weimin Zhao, Shuangzhu Liu, Zhenhua Chen, Luoyi Wang
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Publication number: 20140058074Abstract: The present invention relates to the use of 3,8,12,14,17,20-oxo-substituted pregnene glycosides having the following formula I in the preparation of healthcare products, food additives and drugs for losing body weight, controlling body weight and inhibiting appetite of human beings or animals, wherein, R1 is a saccharide group, and R2 is an acyl group.Type: ApplicationFiled: November 7, 2011Publication date: February 27, 2014Applicant: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCESInventors: Weimin Zhao, Shuangzhu Liu, Zhenhua Chen, Luoyi Wang
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Publication number: 20110251421Abstract: The present disclosure provides analogs and derivatives of phorbol compounds for the treatment of viral infections, neoplastic diseases, inflammatory reactions, and use as analgesics.Type: ApplicationFiled: June 21, 2011Publication date: October 13, 2011Applicant: SALVIA SCIENCES, INC.Inventors: Rensheng Xu, Weimin Zhao, Chun Jiang
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Patent number: 8022103Abstract: Ester prodrugs of phorbol compounds for the treatment of viral infections, neoplastic diseases, inflammatory reactions, and use as analgesics, wherein the phorbol compounds are derivatized with a -x-o-c(o)-R? group linked to the 6-carbon of the phorbol residue.Type: GrantFiled: July 13, 2006Date of Patent: September 20, 2011Assignee: Salvia Sciences, Inc.Inventors: Rensheng Xu, Weimin Zhao, Chun Jiang
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Publication number: 20090163587Abstract: Ester prodrugs of phorbol compounds for the treatment of viral infections, neoplastic diseases, inflammatory reactions, and use as analgesics, wherein the phorbol compounds are derivatized with a -x-o-c(o)-R? group linked to the 6-carbon of the phorbol residue.Type: ApplicationFiled: July 13, 2006Publication date: June 25, 2009Applicant: Salvia Sciences, Inc.Inventors: Rensheng Xu, Weimin Zhao, Chun Jiang
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Publication number: 20030161842Abstract: The invention provides an extract of the Pleurotus genus such as Pleurotus eryngii (DC. et Fr) Quél to prevent and treat hypertension, and enhance cardiovascular health. Further, the invention provides pharmaceutical compositions containing the extract as an active ingredient, in a pharmaceutically or therapeutically acceptable carrier. The invention also provides a method of preventing and treating hypertension by administration of the extract. Further, there is provided a method for preparing the extract and evaluating the extract using in vitro or in vivo tests to ensure antihypertensive activity.Type: ApplicationFiled: December 20, 2002Publication date: August 28, 2003Inventors: Rui Wang, Yaoge Huang, Weimin Zhao
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Publication number: 20030157208Abstract: An extract from the herb of the family Cynomoriaceae, preferably Cynomorium songaricum Rupr, which is also commonly known as Suo Yang in Chinese Medicine, has been prepared and found to have medicinal properties. The extract is preferably prepared from stems of the plant, and is most preferably extracted with an solvent including butanol, herein abbreviated as “BuSY”. The extract is shown to have efficacy in the treatment of erectile dysfunction and the enhancement of male sexual health in vertebrates. A pharmaceutical preparation of this extract can be formulated with a pharmaceutically acceptable carrier to treat erectile dysfunction in host animals. The components of the nutraceutical extract can be combined in differing combinations to enhance and/or improve male sexual health.Type: ApplicationFiled: December 20, 2002Publication date: August 21, 2003Inventors: Rui Wang, Yaoge Huang, Weimin Zhao