Patents by Inventor Zhiming Huang
Zhiming Huang 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: 9297221Abstract: Apparatus and methods related to catenary riser testing are described. For example, some embodiments may contain a ground platform, elevated deck, a catenary-shaped testing sample, a fixed clamp on one end of the testing sample and a rotatable clamp on the other end of the testing sample, and a plurality of hydraulic cylinders for controlling the vertical and horizontal positions and motions of the elevated deck and the positions and rotations of the rotatable clamp, for analyzing the characteristics of the testing sample, such as its touchdown point dynamic motions and stresses.Type: GrantFiled: June 3, 2014Date of Patent: March 29, 2016Assignee: DMAR Engineering, Inc.Inventors: Zhiming Huang, Dagang Zhang
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Patent number: 9297219Abstract: Apparatus and methods related to umbilical buckling testing are described. For example, some embodiments may contain two damps, a plurality of test fittings, one or more pressure gages, a hydraulic cylinder, and a testing platform, and may be used for testing the umbilical buckling behavior and capacity of an umbilical testing sample.Type: GrantFiled: September 29, 2014Date of Patent: March 29, 2016Assignee: DMAR Engineering, Inc.Inventors: Zhiming Huang, Dagang Zhang
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Publication number: 20160025532Abstract: Apparatus and methods related to flow rate testing are described. For example, some embodiments may contain a hydraulic power unit, a flow meter, a pressure gauge, an accelerometer, a reservoir containing testing fluid, two fitting connections, and hoses for interconnecting the components in a closed loop, for testing flow rate through a tube and pinpointing the obstruction location inside the tube.Type: ApplicationFiled: July 22, 2014Publication date: January 28, 2016Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Publication number: 20150337988Abstract: Apparatus and methods related to pipeline freespan support are described. For example, some embodiments may contain an upper structure, which contains at least four legs connected to one another by a number of bracing members, and a number of attachment points through which the upper structure can be lifted, and a lower structure, which contains at least four posts that can be connected to, and disconnected from as needed, the four legs of the upper structure, two spaced mud mats on which the posts stand, and at least two horizontal arms that can be attached to the posts, rotate about the posts, connect to and be locked with the posts on the other mud mat, and be lifted to an appropriate height to provide suitable support at the pipeline freespan location.Type: ApplicationFiled: May 24, 2014Publication date: November 26, 2015Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Patent number: 9157844Abstract: Apparatus and methods related to bending testing are described. For example, some embodiments may contain a clamp with pivot pin, pellet, tensioning device, and supporting platform, which can be used for testing the bending characteristics, such as bending stiffness, of a testing sample, which can be slender structures such as umbilicals, flexibles, and rigid pipes.Type: GrantFiled: May 27, 2014Date of Patent: October 13, 2015Assignee: DMAR Engineering, Inc.Inventors: Zhiming Huang, Dagang Zhang
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Publication number: 20150285706Abstract: Apparatus and methods related to damping testing are disclosed. For example, some embodiments may contain a testing platform supported on wheels and moveable by hydraulic cylinders, and two fasteners for fastening the testing sample, one fixed on the testing platform and the other moveable along the testing platform by another hydraulic cylinder, and may be used for the damping testing of slender structures such as umbilicals and flexibles used in oil and gas underwater field development.Type: ApplicationFiled: September 29, 2014Publication date: October 8, 2015Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Publication number: 20150276570Abstract: Apparatus and methods related to umbilical bend-testing are described. For example, some embodiments may contain a three-level support structure, umbilical terminal locker, bending machine, compression testing device, and stress-strain collection system, and may be used for the bending fatigue endurance test for umbilical samples.Type: ApplicationFiled: September 29, 2014Publication date: October 1, 2015Applicant: DMAR ENGINEERING, INC.Inventors: YONGTIAN KANG, DAGANG ZHANG, ZHIMING HUANG, QUAN YUAN
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Publication number: 20150260032Abstract: Apparatus and methods related to umbilical buckling testing are described. For example, some embodiments may contain two damps, a plurality of test fittings, one or more pressure gages, a hydraulic cylinder, and a testing platform, and may be used for testing the umbilical buckling behavior and capacity of an umbilical testing sample.Type: ApplicationFiled: September 29, 2014Publication date: September 17, 2015Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Publication number: 20150253228Abstract: Apparatus and methods related to fatigue testing are described. For example, some embodiments may contain a terminal fixer, a terminal support, a bending machine, and a stress-strain collector, and may be used for testing fatigue properties of offshore pipes, risers and their connectors. Some embodiments may be used to apply extruding, twisting and high frequency bending to the testing sample during one testing period, so that the various fatigue properties of the testing sample can be obtained.Type: ApplicationFiled: September 29, 2014Publication date: September 10, 2015Applicant: DMAR ENGINEERING, INC.Inventors: YONGTIAN KANG, DAGANG ZHANG, ZHIMING HUANG, QUAN YUAN
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Publication number: 20150240574Abstract: Apparatus and methods related to catenary riser testing are described. For example, some embodiments may contain a ground platform, elevated deck, a catenary-shaped testing sample, a fixed clamp on one end of the testing sample and a rotatable clamp on the other end of the testing sample, and a plurality of hydraulic cylinders for controlling the vertical and horizontal positions and motions of the elevated deck and the positions and rotations of the rotatable clamp, for analyzing the characteristics of the testing sample, such as its touchdown point dynamic motions and stresses.Type: ApplicationFiled: June 3, 2014Publication date: August 27, 2015Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Publication number: 20150233805Abstract: Apparatus and methods related to bending testing are described. For example, some embodiments may contain a clamp with pivot pin, pellet, tensioning device, and supporting platform, which can be used for testing the bending characteristics, such as bending stiffness, of a testing sample, which can be slender structures such as umbilicals, flexibles, and rigid pipes.Type: ApplicationFiled: May 27, 2014Publication date: August 20, 2015Applicant: DMAR ENGINEERING, INC.Inventors: ZHIMING HUANG, DAGANG ZHANG
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Publication number: 20150087174Abstract: An electrical connector box, capable of mounting a type of electrical device to a surface, including methods of so mounting, is provided. The box includes a housing configured with a hollow to receive electronics of a device. The housing includes a first set of two or more anchor point locations and a second set of two or more anchor point locations. The box also includes a first spring clip, fastened to one of the first set of two or more anchor point locations, and a second spring clip, fastened to one of the second set of two or more anchor point locations. The spring clips are each capable of moving between a compressed position and a deployed position. The anchor point locations to which the first spring clip and the second spring clip are anchored are changeable to accommodate various electrical devices, including lighting devices such as luminaires.Type: ApplicationFiled: June 30, 2014Publication date: March 26, 2015Applicant: OSRAM SYLVANIA INC.Inventors: Robert Schmitt, Anil Jeswani, Zhiming Huang
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Patent number: 8313537Abstract: The present invention relates to a mordant for hair dyeing and a hair dyeing product comprising the mordant. The mordant of the present invention comprises an effective amount of a ferrous salt, antioxidant and water; the hair dyeing product of the present invention comprises three parts: a softening agent, a dyeing agent, and the mordant. The mordant and the hair dyeing product comprising the mordant as provided by the present invention do not contain thioglycolic acid, aromatic compounds such as p-phenylenediamine and hydrogen peroxide, and are safe and free of irritation. The hair dyeing product of the present invention has good chromaticity and fastness as well as good product stability and convenience in usage.Type: GrantFiled: January 27, 2010Date of Patent: November 20, 2012Assignee: Natural Medicine Institute Of Zhejiang Yangshengtang Co. Ltd.Inventors: Lian Xue, Liu Hu, Hongying Lan, Zhiming Huang, Yulan Liu, Yuhua Liao
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Publication number: 20120037178Abstract: The present invention relates to a mordant for hair dyeing and a hair dyeing product comprising the mordant. The mordant of the present invention comprises an effective amount of a ferrous salt, antioxidant and water; the hair dyeing product of the present invention comprises three parts: a softening agent, a dyeing agent, and the mordant. The mordant and the hair dyeing product comprising the mordant as provided by the present invention do not contain thioglycolic acid, aromatic compounds such as p-phenylenediamine and hydrogen peroxide, and are safe and free of irritation. The hair dyeing product of the present invention has good chromaticity and fastness as well as good product stability and convenience in usage.Type: ApplicationFiled: January 27, 2010Publication date: February 16, 2012Applicant: Natural Medicine Institute of Zhejiang Yangshengtang Co., Ltd.Inventors: Lian Xue, Liu Hu, Hongying Lan, Zhiming Huang, Yulan Liu, Yuhua Liao
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Patent number: 6484025Abstract: A method and apparatus are provided for exchanging information between a cordless telephone application and physical hardware of a cordless telephone system. The method includes the steps of intercepting information exchanged between the application and the physical hardware, processing the intercepted information in order to ascertain whether the exchange requires at least one API macro and translating between the at least one API macro and a telephone command to be executed by the physical hardware of the cordless telephone system.Type: GrantFiled: January 7, 2000Date of Patent: November 19, 2002Assignee: Conexant Systems, Inc.Inventors: Virginia M. Chan, Desmond T. O'Donnell, Venkateswarlu Munukutla, Zhiming Huang