Patents Represented by Attorney Wilkinson & Grist
  • Patent number: 8303693
    Abstract: A filtration medium includes a fine filter layer having a plurality of nanofibers and a coarse filter layer having a plurality of microfibers attached to the fine filter layer. The coarse filter layer is positioned proximal to a direction of fluid flow, and the fine filter layer is positioned distal to the direction of fluid flow.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: November 6, 2012
    Assignee: The Hong Kong Polytechnic University
    Inventor: Wallace W. Leung
  • Patent number: 8277678
    Abstract: A magnetic composition for power conversion includes a thermoplastic polymer and magnetic powders. The composition has a tensile strength of greater than 20 N/mm2.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: October 2, 2012
    Assignee: The Hong Kong Polytechnic University
    Inventors: Ka Wai Eric Cheng, Yuen Wah Wong, Wei Tai Wu, Kai Ding, Yiu Lun Ho, Tsz Kong Cheung, Chi Keong Cheong
  • Patent number: 8242073
    Abstract: The present invention relates to a process of making biodegradable and/or bioabsorbable biomaterials and keratin nonwoven fibrous articles by electrospinning fibers from a blend of biomaterials and keratin dissolved in organic solvents includes generating a high voltage electric field between oppositely charged biomaterials and keratin fluid in a syringe with a capillary tip and a metallic collection roller and causing a jet to flow to the roller as solvent evaporates and collecting fibrous membranes or scaffolds on the roller. Keratin increased the cell affinity of biomaterial scaffolds which have potential medical applications.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: August 14, 2012
    Assignee: The Hong Kong Polytechnic University
    Inventors: Yi Li, Jiashen Li, Junyan Hu, Lin Li
  • Patent number: 8212056
    Abstract: The present invention relates to indolyl phosphine ligands, and methods of making such ligands utilizing phenyl hydrazines and aryl ketones as the starting material. The present invention further includes uses of the ligands in the synthesis of pharmaceuticals, materials, and agriculture.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: July 3, 2012
    Assignee: The Hong Kong Polytechnic University
    Inventors: Fuk Yee Kwong, Chau Ming So
  • Patent number: 8195192
    Abstract: An portable tracking device integrating a mobile phone module (e.g. based on GSM or 3G networks), a GPS module, a radio Beacon and ultrasonic beacon. The tracking device is normally in a hibernated state when the entire device consumes little energy and require no periodically changing or recharging batteries to power the device. It consumes power from the primary battery only when a tracking process is actually taken place. With this portable tracking device on the person who is unable to affirmatively report his or her whereabout, the remote center and/or a search team can communicate the GPS module, radio beacon and ultrasonic beacon of the tracking device via the mobile phone module based on existing wireless communication technologies, such SMS, GPRS, ect, on GSM or 3 G networks, which also serves as a means of initial rough estimation of the tracking device's location.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: June 5, 2012
    Assignee: The Hong Kong Polytechnic University
    Inventors: Hoi Lam Martin Chow, Ching Ching Jenny Chung, Kam Yuk Claudia Lai, Hor Yau Carrie Lee, Kam Wah Ma, Ping See Diana Mak, Ping Kong Alexander Wai, Fuk Tat Arthur Mak, Jia Jane You, Kai Yu Tong, Yongping Zheng
  • Patent number: 8177896
    Abstract: A novel chemical genus of furan-2-one antifouling compound as non-toxic, environment friendly antifouling agent, a coating material for objects submerged under the water based on the furan-2-one compounds. The substituted furan-2-one antifouling compounds have a furan-2-one ring and an alkyl side chain thereto and are of the formula: where n=6-14, representing the number of carbon atoms in said side chain.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: May 15, 2012
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Peiyuan Qian, Ying Xu, Xiaojian Zhou, Hongping He, Nobuhiro Fusetani, Wei-Min Dai
  • Patent number: 8143465
    Abstract: The present invention relates to a novel process of preparing branched polymers by cyclotrimerization and branched organic materials containing triaroylbenzene moieties as base structural unit. The polymerization is a simple one-pot reaction, strictly regioselective and highly functionality-tolerant giving oligomeric and polymeric polymers with high degree of branching (up to 100%) in high yields (up to 99%). The polymers are processible, easily film-forming, transformable (curable) into thermosets by heat or irradiation, and readily crosslinkable by UV irradiation to give patterns with nanometer resolution. The polymers of the present invention can be blend with a variety of macromolecules for general use. The polymers can be metallified utilizing organometallic acetylene as building blocks and ceramization of the patterns of the obtained polymers afford ferromagnetic ceramic patterns with high resolution.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: March 27, 2012
    Assignee: The Hong Kong University of Science & Technology
    Inventors: Ben Zhong Tang, Hongchen Dong, Anjun Qin, Matthias Haeussler
  • Patent number: 8035999
    Abstract: An isolating self-oscillation flyback converter includes a coupling transformer T1, a FET TR1, a transistor TR2, a photoelectric coupling isolator OC1 and a load feedback circuit Adj. The common polarity terminal of a feedback winding Nfb of the coupling transformer T1 is connected to the gate of the FET TR1 via a capacitance C1 and a resistance R2, and connected to the base of the transistor TR2 via a capacitance C2. The base of the transistor TR2 is also connected to the emitter of the photoelectric coupling isolator OC1. The photoelectric coupling isolator OC1 is connected to the positive terminal of the output voltage. The opposite polarity terminal of the feedback winding Nfb is connected to the collector of the photoelectric coupling isolator OC1 via a resistance R5, and connected to ground via a capacitance C5. The common polarity terminal of the feedback winding Nfb is also connected to the cathode of a diode D, and the anode of the diode D is connected to ground.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 11, 2011
    Assignee: Mornsun Guangzhou Science & Technology Limited
    Inventors: Jiangjian Huang, Jianfeng Song
  • Patent number: 8016768
    Abstract: The present invention relates to a hand sensory assessment device capable of point localization, two-point discrimination, vibration, and texture discrimination for assessing and training patients. The device possesses multiples of pins serving as contacting points that are capable of treating multiples points on a patients hand.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: September 13, 2011
    Assignee: The Hong Kong Polytechnic University
    Inventors: Kin-tak Lau, Mei-ling Lau, Chetwyn Chan
  • Patent number: 8011803
    Abstract: A fog lamp may include a Lambertian LED, a collimating lens encompassing the Lambertian LED, a collimating surface including a total internal reflective surface and encompassing the collimating lens, and a corrugated surface attached to the collimating surface at an acute angle with respect to an optic axis of the corrugated surface.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: September 6, 2011
    Assignee: The Hong Kong Polytechnic University
    Inventors: Chi Fai Cheung, Sandy To, Wing Bun Lee, Jin Bo Jiang, Wen Kui Wang
  • Patent number: 7993823
    Abstract: The present invention is directed toward biomarkers that identify characteristics of algae. The invention is further directed toward biomarkers that serve to identify algae species and strains of algae species as well as detect the presence of algal toxins. Additional embodiments feature methods utilizing algal biomarkers and polypeptides that can serve as biomarkers.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: August 9, 2011
    Assignee: The Hong Kong Polytechnic University
    Inventors: Samuel Chun-Lap Lo, Leo Lai Chan, Ivor John Hodgkiss
  • Patent number: 7954730
    Abstract: Piezo aerosol and ultrasonic atomizer apparatuses are disclosed. In some embodiments, a piezo aerosol apparatus may comprise a piezo component defining an opening bonded to a metal plate defining a mist reservoir. The mist reservoir may define a plurality of apertures (or holes) orientated substantially perpendicular, and the opening of the piezo component may be located above the mist reservoir. The piezo aerosol apparatus generally defines a non-symmetric compound, while the ultrasonic atomizer comprises a piezo component and metal plate of substantially the same diameter in length. Other embodiments are also claimed and disclosed.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: June 7, 2011
    Assignee: Hong Kong Piezo Co. Ltd.
    Inventor: Lap Leung Ng
  • Patent number: 7942018
    Abstract: A thermal storage system includes a thermal storage device that includes an aqueous slurry of micro-encapsulated phase change material, a thermal collector in a heat exchange relationship with the thermal storage device through a first heat exchanger, and a thermal service device in a heat exchange relationship with the thermal storage device through a second heat exchanger. The aqueous slurry of micro-encapsulated phase change material is configured to convert between solid and liquid states.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: May 17, 2011
    Assignee: The Hong Kong Polytechnic University
    Inventors: Jianlei Niu, Xichun Wang
  • Patent number: 7927788
    Abstract: The present invention is directed toward biomarkers that identify characteristics of algae. The invention is further directed toward biomarkers that serve to identify algae species and strains of algae species as well as detect the presence of algal toxins. Additional embodiments feature methods utilizing algal biomarkers and polypeptides that can serve as biomarkers.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: April 19, 2011
    Assignee: The Hong Kong Polytechnic University
    Inventors: Samuel Chun-Lap Lo, Leo Lai Chan, Ivor John Hodgkiss
  • Patent number: 7867998
    Abstract: Method for relieving cough using an effective antitussive chemical compound belonging to stemoamide or tuberostemospironine and method for manufacturing pharmaceutical compositions for treating or relieving cough in human and animal subjects which including a stemoamide or tuberostemospironine compound. In addition, the antitussive property of the compounds provides a method for assessing the quality of herbs traditionally used in treating cough by analyzing the content of the effective chemical ingredient, i.e., compounds of stemoamide type and/or tuterostemospironine type. It further provides a method for identifying medicinal herbs which may be used for relieving cough by phytochemical determination of the existence of compounds that are of stemoamide or tuterostemospironine type.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: January 11, 2011
    Assignee: Hong Kong Jockey Club Institute of Chinese Medicine Limited
    Inventors: Pui-Hay Paul But, Yan-Tong Xu, Pang Chui Shaw, Ren Wang Jiang, Po Ming Hon
  • Patent number: 7819013
    Abstract: An apparatus and method for detecting the oscillation amplitude of a bonding tool includes a sensing unit disposed adjacent to and at a distance from the bonding tool. The sensing unit includes a pair of electrodes, a piezoelectric sensing layer located between the pair of electrodes, and a membrane associated with the piezoelectric sensing layer. The piezoelectric sensing layer becomes sensitive to ultrasonic vibrations and generates electrical voltage signals after being activated by a poling process. An optional pre-amplifier is used to amplify the signals generated from the sensing unit, and an oscilloscope is used to further process the signals.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: October 26, 2010
    Assignee: The Hong Kong Polytechnic University
    Inventors: Helen Lai Wa Chan, Tin Yan Lam, Chen Chao, Kin Wing Kwok
  • Patent number: 7811752
    Abstract: This disclosures provides, in one aspect, a method for detecting non-clinically diagnosed cancer in a patient. In one embodiment, the method includes extracting blood serum or plasma from the patient, and then detecting beta-catenin RNA in the blood serum or plasma. In addition, in this embodiment, the method includes determining the presence of the cancer based on the detected beta-catenin RNA. In another aspect, this disclosure provides another embodiment of a method for detecting non-clinically diagnosed cancer in a patient. In this embodiment, the method includes extracting blood serum or plasma from the patient, and then detecting beta-catenin DNA in the blood serum or plasma. In addition, in this embodiment, the method includes determining the presence of the cancer based on the detected beta-catenin DNA.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: October 12, 2010
    Assignee: The Hong Kong University of Science and Technology
    Inventors: Wen-Luan Wendy Hsiao, Sze-Chuen Cesar Wong
  • Patent number: 7796854
    Abstract: A hollow-core photonic bandgap fiber polarizer may include a core, an inner cladding surrounding the core, the inner cladding including a plurality of capillaries, and an outer cladding at least partially surrounding the inner cladding. A section of the capillaries distal to the core is asymmetric relative to a section of the capillaries proximal to the core.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: September 14, 2010
    Assignee: The Hong Kong Polytechnic University
    Inventors: Wei Jin, Haifeng Xuan
  • Patent number: 7796844
    Abstract: A temperature-compensated fibet optic strain gauge (10) for measuring strain of a host structure (5), the strain gauge (10) comprising: a mount (20) having a void (19) separating a first section (17) from a second section (18); a first fiber Bragg grating (FBG) (30); a second fiber Bragg grating (FBG) (40); and removable bridging portions (24) adjacent to the void (19) to connect the first section (17) to the second section (18), the bridging portions (24) being removed after the mount (20) is operatively attached to the host structure (5); wherein a right-side failure proof feature is provided by detecting whether a reflection wavelength reverts to an original Bragg wavelength of the first FBG (40) to indicate whether the first FBG (40) has broken.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: September 14, 2010
    Assignees: The Hong Kong Polytechnic University, Mass Transit Railway Corporation Limited
    Inventors: Hwa Ywa Tam, Siu Lau Ho, Shun Yee Liu, Kang Kuen Lee, Tony Kar Yun Lee, Chun Cheong Hon, Hing Keung Chan, Aiken Yiu Ming Tam
  • Patent number: 7765880
    Abstract: A force sensor includes a polymeric substrate including a cavity with a tilt plane, at least two metal piezoresistors on the tilt plane, and a contact pad connected to the metal piezoresistors. The tilt plane may include a measured interface of from 15° to 75°.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: August 3, 2010
    Assignee: Hong Kong Polytechnic University
    Inventors: Ching-Hsiang Cheng, Chen Chao