Patents Represented by Attorney Matthias Scholl P.C.

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  • Digital multimeter with automatic measurement selection function
    Patent number: 7991568
    Abstract: A digital multimeter comprising a measured object input terminal, conversion circuit for a fast analog/digital converter, microprocessor, auxiliary program-controlled voltage or current source, potential divider network, electronic switches, and display. Compared with conventional multimeters, the adoption of fast analog/digital conversion technology as well as a method that applies an auxiliary power supply at the time of a passive analog measurement allows for measuring different responses between input terminals after an auxiliary power supply is applied, thus being able to automatically determine the characteristics and size of the measured object.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: August 2, 2011
    Inventors: Jiajing Zang, Yulun Zang
  • Method for treating mixed wastewater from pharmaceutical chemical industry park
    Patent number: 7988857
    Abstract: A method for treating mixed wastewater from pharmaceutical chemical industry parks including introducing mixed wastewater into a regulation tank for regulation of water flow and water quality, and then into a hydrolysis tank having a hanged filler and employing upflow water distribution, into an anaerobic tank employing upflow water distribution, into a moving bed biofilm reactor having a suspended filler and an aeration device at the bottom thereof, into a biological aerated filter including a ceramic filler, and finally treating using coagulating precipitation process. The final effluent has less than 100 mg/L COD.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: August 2, 2011
    Assignee: Nanjing University
    Inventors: Hongqiang Ren, Lei Ge, Feifei Wang, Lili Ding
  • Height measuring device
    Patent number: 7987612
    Abstract: A height measuring device, including a scale, including graduation and a measuring part, and a positioning plate, the graduation and the measuring part are disposed on a right side of the scale, the measuring part is capable of moving along the graduation and indicating height, a measuring plate is disposed on the measuring part, and capable of folding as being perpendicular to or parallel to the scale, a top edge of the scale is capable of being buckled with a bottom edge of the positioning plate, a bottom edge of the scale is capable of being buckled with a top edge of the positioning plate, and a fixing part is disposed at the back of each of the scale and the positioning plate, and capable of being disposed in a vertical plane.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: August 2, 2011
    Inventor: Chuan Hong
  • RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid) / ? tricalcium phosphate composite material and preparation method thereof
    Patent number: 7989532
    Abstract: An RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid)/?-tricalcium phosphate composite material is composed of ?-tricalcium phosphate particles and RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid) with mass ratio of 1:10-1:100, in which the ?-tricalcium phosphate particles are uniformly dispersed in the RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid) matrix. The preparation method includes that poly (glycolic acid-L-lysine-L-lactic acid) is polymerized with GRGDY short peptide (glycin-arginine-glycin-aspartic acid-tyrosine sequence) to obtain RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid), and then RGD polypeptide grafted poly (glycolic acid-L-lysine-L-lactic acid) is compounded with ?-tricalcium phosphate particles.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: August 2, 2011
    Assignee: Wuhan University of Technology
    Inventors: Shipu Li, Yingchao Han, Yuhua Yan, Tao Wan, Xinyu Wang, Lin Yuan, Honglian Dai, Qiongjiao Yan
  • Temperature compensation attenuator
    Patent number: 7990230
    Abstract: A temperature compensation attenuator formed from a base, a serial film thermistor having two ends, a parallel film resistor, an input terminal, and an output terminal. The serial film thermistor and the parallel film resistor are disposed on the base, the input terminal and the output terminal are connected to the two ends of the serial film thermistor. The temperature compensation attenuator features a small size, good RF performance and simple production, and solves the problem of easy detachment of discrete components from the attenuator.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: August 2, 2011
    Assignee: Yantel Corporation
    Inventors: Yuejun Yan, Yuepeng Yan
  • Magetic latching relay
    Patent number: 7982562
    Abstract: The present invention relates to a magnetic latching relay which can avoid influences of erection stress on internal structure parameters thereof. The magnetic latching relay includes a yoke assembly, a magnetic steel assembly, a contact system having movable and immovable contact spring assemblies and a pusher pad, and a shell having a bottom case and an upper cover. Back contact springs of the movable contact spring assembly are arc-shaped and stacked on one side of each movable contact spring of the movable contact spring assembly. The bottom case has clip-shaped bosses which are formed outside two side walls of the bottom case to fasten extension ends of the movable and the immovable contact springs and supported with bolts to clamp the springs extending out of clip-shaped openings of the bosses.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: July 19, 2011
    Assignee: Shanghai BST Electrical Appliance Manufacturing Co., Ltd.
    Inventors: Zheng Yang, Zhongqin Wang
  • Routing device
    Patent number: 7975617
    Abstract: A routing device, including a sliding device, a rotating shaft, a pair of route rails, a pair of rams, and a pillow, wherein the route rail is disposed in the front of a railway track, the route rails are disposed on the rams, the rotating shaft is disposed at one end of the ram in the vicinity of the railway track, and connected to the pillow, the sliding device is disposed between the ram and the pillow, and the ram operates to laterally slide on the pillow. The invention features simple structure and low investigation cost, occupies small space, is not only applicable for route of normal road and rail vehicles, but also for that of long multi-axis vehicles composed of tractors and trailers, or vehicle trains, and thus enabling the road and rail vehicles to be widely used and saving power.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: July 12, 2011
    Assignee: Hefei Bopu High-Tech Co., Ltd.
    Inventor: Xiaolong Li
  • Mobile phone holder for mechanical vehicles
    Patent number: 7970440
    Abstract: A mobile phone holder comprising a base (6), a cover (1) connected to the base and provided with a cavity (2) for inserting a mobile phone, side protrusions (3) with guides to guide the mobile phone, and a locating base (4), the locating base having a slot (25) and plugs (9), and a push-out mechanism (5) for pushing out the mobile phone from the holder, the push-out mechanism located between the base (6) and the cover (1).
    Type: Grant
    Filed: August 16, 2008
    Date of Patent: June 28, 2011
    Assignee: BURY Sp. z o.o.
    Inventor: Henryk Bury
  • External rotor and housing therefor
    Patent number: 7969050
    Abstract: A housing for an external rotor with a side wall; an end cover directly connected to the side wall; a cavity formed between the side wall and the end cover; a plurality of openings formed in the side wall; a plurality of wind wheels; a plurality of air inlets, each of the air inlets disposed one between adjacent wind wheels; a base disposed at the center of the end cover and connected to the side wall via the wind wheels; and a center hole disposed at the center of the base, the center hole for forming connection to a drive shaft of the external rotor. An external rotor with the housing, a magnetic conductive housing; and a plurality of magnetic tiles.
    Type: Grant
    Filed: May 25, 2009
    Date of Patent: June 28, 2011
    Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.
    Inventor: Xu Zhang
  • Vertical shaft wind turbine and method of installing blades therein
    Patent number: 7967569
    Abstract: This invention relates to a vertical shaft wind turbine, and particularly to an installation method of blades that can effectively improve the efficiency of a vertical shaft wind turbine. A supporting plane is connected to vertical shaft and a blade is installed on supporting plane. The airfoil of the blade is an asymmetrical camber airfoil. The convex surface of blade is installed facing the vertical shaft. The blade rotary angle is in the range of 0-15 degrees. This invention represents a remarkable progress in the field of wind power generation and is applicable industrially.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: June 28, 2011
    Inventor: Qiang Yan
  • Method for removing ammonia nitrogen from solutions
    Patent number: 7959688
    Abstract: Taught is a method for removing ammonia nitrogen from an ammonia-containing solution via atomization, comprising a) adjusting the pH of the ammonia-containing solution to above 10 by adding a base; b) after mixing, atomizing the ammonia-containing solution to produce an ammonia-containing mist so as to increase the gas-liquid interface and allow ammonia to transfer from the ammonia-containing mist to an ambient gas yielding a clean mist; and c) re-aggregating said clean mist. The method is applicable for treatment of liquids containing high, medium and low ammonia nitrogen concentration.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: June 14, 2011
    Assignee: Wuhan Comeon Environment Engineering Co., Ltd.
    Inventors: Zhibin Hu, Houtao Li, Zhimin Wen
  • Renewal in advertising displays and in poster placement
    Patent number: 7954265
    Abstract: The present invention relates to an advertising display, which is used in displaying advertising posters in an illuminated manner, said advertising display comprising a protecting body profile (1), a covering profile (2), a white background material (4) where such poster is attached, and a transparent protector (5) positioned on said poster; and furthermore, at least one a hinge profile that retains the transparent protector (5) in order to easily attach/replace such poster, and to prevent said transparent protector (5) from becoming damaged; at least one magnetic profile and at least one magnetic tape that fasten the moving edge of the transparent protector (5) to the body profile (1) after a poster is attached; and a multitude number of clips retaining the poster between the background (4) and transparent protector (5).
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: June 7, 2011
    Assignee: M. T Reklam Ve Pazarlama Sanayi Ticaret Limited Sirketi
    Inventor: Ali Topcuoglu
  • Method of transmitting a satellite positioning signal from an external antenna to an unexposed receiver, especially in mechanical vehicles
    Patent number: 7952517
    Abstract: A device for transmitting a satellite positioning signal received by an external antenna to an unexposed receiver having an internal receiving antenna.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: May 31, 2011
    Assignee: BURY Sp. z o.o
    Inventor: Henryk Bury
  • Method of preparing pigment having angle dependence of interference colors
    Patent number: 7951420
    Abstract: A method of preparing a pigment exhibiting a color-shifting effect, including at least heating mica powder suspension in water, adjusting the pH value of the mixture to between 2 and 9, adding a first inorganic salt solution, maintaining the pH value of the mixture constant, stirring the mixture at constant temperature, adjusting the pH value of the mixture to between 6 and 14, adding a second inorganic salt solution, maintaining the pH value of the mixture constant, stirring the mixture at constant temperature, adjusting the pH value of the mixture to between 2 and 9, adding a third inorganic salt solution, maintaining the pH value of the mixture constant, and stirring the mixture at constant temperature.
    Type: Grant
    Filed: September 26, 2009
    Date of Patent: May 31, 2011
    Inventors: Jiansheng Fu, Yiting Peng, Xiaohui Tian
  • Windproof billboard
    Patent number: 7950174
    Abstract: A windproof billboard, including at least a body, a pair of first supports, multiple second supports, a rotating shaft, multiple linkage mechanisms, a transmission mechanism, a power mechanism, and at least one brake, wherein the first supports and the second supports are disposed on the ground, the bottom of the body is hinge connected to the first supports, the linkage mechanisms are hinge connected an upper part of the back of the body and fixed on the rotating shaft, and operate to drive the body to rotate with respect to the first supports, the rotating shaft abuts against one of the second supports, the power mechanism is fixed on the transmission mechanism and operates to drive the rotating shaft to rotate via the transmission mechanism, and the brake is disposed on one of the second supports and operates to fix the rotating shaft.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: May 31, 2011
    Inventor: Peiyuan Xu
  • Starting circuit for single-phase AC motor
    Patent number: 7948202
    Abstract: A starting circuit for a single-phase AC motor, comprising a main winding, a detecting circuit, a rectifying and filtering circuit, a triggering circuit, a switching circuit and a starting winding. The detecting circuit is connected in series to the main winding for transforming current parameters thereof into detecting signals. The switching circuit is connected in series to the starting winding. The rectifying and filtering circuit processes the detecting signals and the processed detecting signals to the triggering circuit. The triggering circuit enables or disables the switching circuit according to the detecting signals, so as to energize or deenergize the starting winding. The starting circuit features high reliability, long lifetime, simple circuit structure, low cost, and small size.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: May 24, 2011
    Assignee: Zhongshan Broad-Ocean Motor Co., Ltd.
    Inventor: Chuping Lu
  • Charge control agent and toner comprising the same
    Patent number: 7943688
    Abstract: This invention teaches a charge control agent and a toner containing such a charge control agent. It solves the problem in current toner processing technique of inadequate electrification, unequal quantity of electricity, spreading and bottom ash. The charge control agent comprising metal complex of tannin acid in which metal atoms have 2 to 4 valences and tannin acid as coordination sub structure. The toners mentioned above at least contains resin, dyestuff and charge control agent of the invention. The powered carbon specializes in excellence in electrification, environment influence retardant. It can obtain stable and high definition image without spreading and bottom ash troubling.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: May 17, 2011
    Assignee: Hubei Dinglong Chemical Co., Ltd.
    Inventors: Delian Yi, Lin Wu, Shunquan Zhu
  • Method and system for producing wide steel strip
    Patent number: 7942191
    Abstract: A method for producing a wide steel strip using thin slab continuous casting and rolling by the following steps a) casting a molten steel into a thin slab having a thickness of between 50 and 90 mm; b) cutting; c) soaking; d) heating by electromagnetic induction; e) descaling; f) rolling; g) cooling with laminar flow; and h) coiling. The method can effectively control the solution and precipitation of carbon, nitrogen, and sulfide in steel with a low cost. The process is easy and flexible, and steel can be produced in a wide range of categories. Further provided is a system for producing a wide steel strip with thin slab continuous casting and rolling.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: May 17, 2011
    Assignee: Wuhan Iron and Steel (Group) Corp
    Inventors: Chao Zhang, Zhonghan Luo, Zemin Fang, Jionghui Mao, Shenglin Chen, Ruoping Wang, Xiangxin Wang
  • Multi-directional submersible floating aerator
    Patent number: 7934705
    Abstract: A multi-direction submersible floating aerator has a gas-ring compressor (4), a base (6), a gas inlet tube (9), a seat (11), multiple submersible hollow shaft motors (13), and multiple propellers (14). The base (6) is disposed between the gas-ring compressor (4) and the gas inlet tube (9). The propeller (14) is coaxially connected to the submersible hollow shaft motor (13). The seat (11) is disposed between the gas inlet tube (9) and the submersible hollow shaft motor (13). The seat (11) is hollow. A first opening is disposed at the top of the seat (11), and multiple second openings are disposed on one side of the seat (11). The seat (11) is used for evenly distributing compressed air. Thus, the aeration is more even and stable, and aeration efficiency is greatly improved.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: May 3, 2011
    Inventors: Shulin Sun, Jian Sun
  • Electronic device for measuring motion of screw mechanism
    Patent number: 7930134
    Abstract: An electronic measuring device for measuring and displaying a linear displacement of a horizontal screw mechanism, the device comprising: a gravity acceleration sensor adapted for measuring an angle of rotation value of a horizontal rotational shaft of a screw mechanism; a data processing unit for converting the angle of rotation value into a linear displacement value according to characteristics of the linear screw mechanism; and a digital display unit for displaying the linear displacement value; in which the gravity acceleration sensor, the data processing unit, and the digital display unit are electronically or electrically connected.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: April 19, 2011
    Assignee: Guilin Gemred Sensor Technology Ltd.
    Inventors: Guangjin Li, Jian Shi