Patents by Inventor Weijian Zhang
Weijian 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: 20250144609Abstract: A photoelectric fluid field cluster catalytic method for atomic-scale deterministic processing, comprises the following steps: selecting nanoparticles with photocatalytic activity as a photocatalytic medium, and using a photoreduction method to realize the precipitation of metal nanoparticles on a surface of the photocatalytic medium, thus creating photoelectrocatalytic clusters; illuminating a coupling area between a surface to be processed of a workpiece, the photoelectrocatalytic clusters and a flexible tool with a catalytic light source, and simultaneously applying a bias voltage to a conductive tray of the workpiece; and applying a normal load to a flexible tool head and setting a rotation speed to generate a hydrodynamic pressure to drive a polishing solution to flow, thus enabling controllable removal with atomic-level precision.Type: ApplicationFiled: January 9, 2025Publication date: May 8, 2025Applicant: Zhejiang UniversityInventors: Wule ZHU, Sidong WU, Qi SUN, Fang HAN, Wei GAO, Caoyang XUE, Xiang ZHAO, Bingchun JIA, Jingyuan WANG, Weijian ZHANG, Bingfeng JU
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Publication number: 20250147481Abstract: A device for multi-energy field induced atomic-scale CNC machining in an environmental atmosphere comprises an electromagnetic shielding chamber and a control mechanism, wherein an environmental chamber is arranged in the electromagnetic shielding chamber, a workpiece platform is arranged at the bottom of the environmental chamber, and a nanotool driven by a nanotool actuator is arranged at the top of the environmental chamber, and a gas inlet and a gas outlet which are connected to the environmental chamber are formed in the electromagnetic shielding chamber; and the control mechanism is used for controlling the workpiece platform and the nanotool actuator and applying energy fields including a force field, a temperature field, an electric field, an optical field and a magnetic field. The device has the advantages of atomic precision, high efficiency, low cost and good universality.Type: ApplicationFiled: January 9, 2025Publication date: May 8, 2025Applicant: Zhejiang UniversityInventors: Wule ZHU, Qi SUN, Sidong WU, Bingchun JIA, Jingyuan WANG, Wei GAO, Fang HAN, Caoyang XUE, Xiang ZHAO, Weijian ZHANG, Bingfeng JU
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Publication number: 20240417960Abstract: Provided are faucet assemblies having plastic waterways. A faucet assembly can include a plastic manifold comprising a hot water inlet, a cold water inlet, a hot water outlet, a cold water outlet, a mixed water inlet, and a mixed water outlet; a mixing valve comprising a hot water inlet, a cold water inlet, a mixing chamber, and a mixed water outlet, wherein the hot water inlet is fluidly connected to the hot water outlet of the plastic manifold and the cold water inlet is fluidly connected to the cold water outlet of the plastic manifold, and the mixed water outlet is fluidly connected to the mixed water inlet of the plastic manifold; and a plastic outlet pipe comprising a water inlet, wherein the water inlet is fluidly connected to the mixed water outlet of the plastic manifold.Type: ApplicationFiled: October 7, 2022Publication date: December 19, 2024Applicant: AS America, Inc.Inventors: Xiaojing YE, Marin MARINOV, Weijian ZHANG
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Publication number: 20240328532Abstract: Provided herein is a dual control faucet system comprising: a cold water control system housed within a cold water control and comprising a first bevel gear; a hot water control system housed within a hot water control and comprising a second bevel gear; and a faucet body; wherein the cold water control system is connected to a cold water spindle via a pair of bevel gears and the hot water control system is connected to a hot water spindle via a pair of bevel gears, wherein, when the cold water control receives an input from a user, the pair of bevel gears rotate such that the cold water spindle rotates to control a flow of cold water, and wherein, when the hot water control receives an input from a user, the pair of bevel gears rotate such that the hot water spindle rotates to control a flow of hot water.Type: ApplicationFiled: March 18, 2024Publication date: October 3, 2024Applicant: AS America, Inc.Inventors: Xiaojing YE, Weijian ZHANG
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Publication number: 20240159032Abstract: A hybrid faucet assembly configured to operate in a touchless, hands-free automatic mode and a manual mode comprises a faucet body; a faucet spout; a first manual flow control valve connected to a cold water source; a second manual flow control valve connected to a hot water source; an electromechanical valve connected to a cold water source or to both a cold water source and a hot water source; a controller; and an activator device. The hybrid faucet assembly may comprise an override mechanism to disable an automatic mode during operation of a manual mode.Type: ApplicationFiled: March 25, 2022Publication date: May 16, 2024Applicant: AS America, Inc.Inventors: Walter Pitsch, Xiaojing Ye, Weijian Zhang
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Patent number: 11033001Abstract: An automatic wet washing and dry brushing apparatus for dogs comprises an elongated container, a tub placed inside the container at one end, a movable brush panel on each side of the tub and a mechanical device that drives the brush panels. The mechanical device is installed in the space between the container walls and the tub walls. The tub has two sidewalls, a floor with a drain, and a door at one end. Each brush panel is suspended on a sidewall and supported by a rail affixed inside the sidewall through a slot on the sidewall. The brush panels are used to brush a dog by sliding in a reciprocating motion. The brushes are made of spaced long and flexible bristles that accommodate the dog's body shape. The tub is equipped with water sprayers and a drain system. The container is movable with 4 wheels.Type: GrantFiled: May 4, 2019Date of Patent: June 15, 2021Inventor: Weijian Zhang
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Publication number: 20200170220Abstract: An automatic wet washing and dry brushing apparatus for dogs comprises an elongated container, a tub placed inside the container at one end, a movable brush panel on each side of the tub and a mechanical device that drives the brush panels. The mechanical device is installed in the space between the container walls and the tub walls. The tub has two sidewalls, a floor with a drain, and a door at one end. Each brush panel is suspended on a sidewall and supported by a rail affixed inside the sidewall through a slot on the sidewall. The brush panels are used to brush a dog by sliding in a reciprocating motion. The brushes are made of spaced long and flexible bristles that accommodate the dog's body shape. The tub is equipped with water sprayers and a drain system. The container is movable with 4 wheels.Type: ApplicationFiled: May 4, 2019Publication date: June 4, 2020Inventor: Weijian Zhang
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Patent number: 10405518Abstract: An automatic washing apparatus for dogs and alike animals comprises a washing tub, a brushing plate and a horizontally movable carrier board on each side of the tub. Each brushing plate is attached to a vertically movable crank slider through horizontal extension arms. Each crank slider is motorized by a motor and situated on a carrier board. The carrier boards are mobilized by a low speed motor through pulleys, a timing belt, and wheels on rails. The movement is guided by a guiding rail. The tub includes a door and a drain on the floor and a wastewater compartment beneath the floor. The brushing plates and carrier boards are enclosed under two side covers. The apparatus further provides a water spraying system including spraying tubings, a water tank and a water pump.Type: GrantFiled: January 23, 2017Date of Patent: September 10, 2019Inventor: Weijian Zhang
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Publication number: 20180206449Abstract: An automatic washing apparatus for dogs and alike animals comprises a washing tub, a brushing plate and a horizontally moving carrier board on each side of the tub. Each brushing plate is attached to a vertically moving crank slider through horizontal extension arms. Each crank slider is motorized by a motor and situated on a carrier board. In other embodiments the brush plates are driven by other mechanical mechanisms such as Scotch Yoke, Whitworth quick return, cam slider, reciprocating gear rack or rotation to rotation mechanisms using gears or pulleys and belts. The carrier boards are mobilized through pulley and belt, and wheels on rails. The movement is guided by a guiding rail. The tub includes a door and a drain on the floor and a waste water compartment beneath the floor. The brushing plates and carrier boards are enclosed under two side covers. The apparatus further provides a water spraying system including spraying tubings, a water tank and a water pump.Type: ApplicationFiled: January 23, 2017Publication date: July 26, 2018Inventor: Weijian Zhang
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Patent number: 9416151Abstract: The present invention pertains to novel uses of glycyrrhetinic acid (GA), glycyrrhizic acid (GLA) and related compounds for prevention and/or treatment of pulmonary fibrosis, in particular, irradiation-induced pulmonary fibrosis. Also embodied are therapeutic uses of prodrugs, metabolites, derivatives (e.g., acids, esters and ethers), and salts of glycyrrhetinic acid (GA) and glycyrrhizic acid (GLA). The present invention also provides for therapeutic or pharmaceutical compositions comprising a compound of the invention in a form that can be combined with a pharmaceutically acceptable carrier.Type: GrantFiled: August 25, 2010Date of Patent: August 16, 2016Inventors: Lurong Zhang, Weijian Zhang, Jianhua Xu, Shanmin Yang
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Publication number: 20120053141Abstract: The present invention pertains to novel uses of glycyrrhetinic acid (GA), glycyrrhizic acid (GLA) and related compounds for prevention and/or treatment of pulmonary fibrosis, in particular, irradiation-induced pulmonary fibrosis. Also embodied are therapeutic uses of prodrugs, metabolites, derivatives (e.g., acids, esters and ethers), and salts of glycyrrhetinic acid (GA) and glycyrrhizic acid (GLA). The present invention also provides for therapeutic or pharmaceutical compositions comprising a compound of the invention in a form that can be combined with a pharmaceutically acceptable carrier.Type: ApplicationFiled: August 25, 2010Publication date: March 1, 2012Inventors: Lurong ZHANG, Weijian Zhang, Jianhua Xu, Shanmin Yang
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Publication number: 20110070320Abstract: The present invention discloses a composition comprising a ginseng product, a mucoadhesive and a mucosa penetration enhancer in an aqueous biodegradable block copolymer solution consisting of a 3-arm polyethylene glycol (PEG) and 3 polyesters chains, each of which extends on each of the arm of the 3-arm PEG. The invention also provides a method for transmucosal delivery of pharmaceuticals and nutraceutical such as ginsenosides with improved absorption and bioavailability.Type: ApplicationFiled: May 12, 2010Publication date: March 24, 2011Inventors: Soonkap Hahn, Weijian Zhang, Jae Young Yang, Younjung Yuk
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Patent number: 6989451Abstract: Substituted isothiazole compounds and compositions are provided, wherein particularly preferred compositions and methods are directed towards inhibition of various protein kinases (especially MEK and/or ERK). Consequently, particularly preferred methods include treatment of diseases associated with abnormality in MEK and/or ERK function.Type: GrantFiled: June 4, 2003Date of Patent: January 24, 2006Assignee: Valeant Research & DevelopmentInventors: Weijian Zhang, William Ricketts, Haoyun An, Zhi Hong
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Publication number: 20040039037Abstract: Substituted isothiazole compounds and compositions are provided, wherein particularly preferred compositions and methods are directed towards inhibition of various protein kinases (especially MEK and/or ERK). Consequently, particularly preferred methods include treatment of diseases associated with abnormality in MEK and/or ERK function.Type: ApplicationFiled: June 4, 2003Publication date: February 26, 2004Inventors: Weijian Zhang, William Ricketts, Haoyun An, Zhi Hong
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Patent number: 5770578Abstract: The use of triterpensaponins, like notoginsenoside R1 (NR1) and/or astragaloside (ASIV) for the production of medicaments for stimulating the fibrinolytic activity and blocking the endotoxin effect, especially for the treatment of patients and animals which suffer from endotoxin shock or to limit the endotoxin shock. Corresponding medicaments are also suitable prophylactive and therapeutic treatment of patients of coronary heart disease, peripheral arterial disease for patients who suffer from angina pectoris and for the prevention of such diseases in healthy persons.Type: GrantFiled: January 4, 1996Date of Patent: June 23, 1998Assignee: Bergi GmbHInventors: Bernd Binder, Weijian Zhang, Johann Wojta