Patents Represented by Attorney, Agent or Law Firm David & Raymond
  • Patent number: 8153089
    Abstract: An exhaust filter system, adapted for removing substances entrained in an exhaust gas from a nonroad engine, includes a casing having a filter cavity for communicating with an exhaust outlet of the generator and a filter core which includes a plurality of filtering loops, each having a plurality of air pores, coaxially received in the filter cavity, a plurality of filtering spacers each having a plurality of air meshes and positioned between each two filtering loops to define a plurality of air passages therebetween, and a catalyzing element for chemically reacting with the substances of the exhaust gas. Therefore, when the exhaust gas passes through the air passages of the filter core, the exhaust gas is evenly diffused to the filter cavity through the air pores and the air meshes so as to enhance a chemical reaction of the exhaust gas with the catalyzing element.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: April 10, 2012
    Inventor: Guo Xiang Fan
  • Patent number: 8154586
    Abstract: The invention involves a sort of curved film projection system, including a rendering surface, a projection screen, a real scene rendering model of image system, a rendering model of projection system that renders the projection the image rendered by the rendering model of image system on the rendering surface, and projecting devices that projects the image finally rendered by the rendering model of projection system onto the projection screen through optical lens. The viewing direction and angle from observer's eyes to the rendering surface is consistent with that to the projection screen. The image system rendering model can be reversible on optical path with the projection system rendering model. The curved film projection system not only reduces the rendering cost, but also produces lifelike experience for audience.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: April 10, 2012
    Inventors: Ming Li, Zhigang Rong, Liang Ding, Tao Cui, Caixia Huo
  • Patent number: 8147088
    Abstract: A focusing-type flashlight structure includes a hollow cylinder body for accommodating the power supply component and screwed with an exterior cap having the switch device at the rear side and having a buckle channel and a protrusion stop ring and forming the diameter expansion section; a light emitting device positioned between the buckle channel and the protrusion stop ring of the hollow cylinder body; a light transparent cover for sealing the front side of the hollow cylinder body and having a protrusion hook for clasping with the buckle channel to achieve the positioning; and a zooming device including a hollow tube having a first, second, and third ring section with converged diameters from the front to the rear in order, and a lens disposed between the first ring section of the hollow tube, and a light opening cover to achieve the positioning.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: April 3, 2012
    Inventors: Yu-Liang Chen, Tang-Fang Lai
  • Patent number: 8147087
    Abstract: An illumination device in one embodiment includes a housing comprising a bottom cavity; a battery powered light emitting assembly disposed in the housing and comprising an exposed light source; and a magnetic assembly comprising two separate magnetic members each having an inner inclined flat surface, the magnetic members being secured to the cavity. The illumination device is adapted to releasably secure to one of a variety of tools or a metal object.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: April 3, 2012
    Inventor: Ming-Nan Chen
  • Patent number: 8141734
    Abstract: A container includes a container body having a receiving cavity and a container opening communicating with the receiving cavity, a cover panel movably coupled mounted at the container opening to fold between a closed position and an opened position, and an induction actuation system. The induction actuation system includes an actuation unit to automatically drive the cover panel moving between the closed position and the opened position in responsive to a presence of a user and a power recharging arrangement which includes a battery unit detachably supported by the container body, wherein the battery unit is mounted at the container body to electrically connect to the actuation unit for resuming proper operation thereof and is detached from the container body for recharging purpose.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: March 27, 2012
    Inventors: Xin Wang, Jiangqun Chen
  • Patent number: 8136816
    Abstract: A multiple layering means of a protective laminated multiple-layered split boot layer assembly, providing both very important qualities of easy installation and reliable boot sealing performance. Easy installation is easy to achieve but the reliable boot sealing performance of substantially high degree of reliable boot sealing performance is very much needed but has eluded many investors until now. Many different solutions and approaches are used, such as multiple layering, reinforcement with fastener such as glue sealant adhesive, reinforcement encircling rings, and appropriately positioning each split boot layer's cut (53) split line, in relationship to the cut (53) of preceding and adjacent split boot layer, with alternating slit (or seam) facing feature, for maximized sealing performance.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: March 20, 2012
    Inventor: Eddie York-Shin Lou
  • Patent number: 8138633
    Abstract: A single-phase electronic power-saving device includes at least one power-saving unit. The power-saving unit includes two ceramic piece capacitors, a safe capacitor, an inductor, a SCR, a first resistor, a second resistor, a live wire and a zero line; the two ceramic piece capacitors connected in series as a whole is connected in parallel with the safe capacitor to two terminals of which are connected the anode and the cathode of SCR, respectively; the anode of SCR is also connected to one terminal of the inductor, the branch composed of the first and the second resistors connected in series is connected in parallel so that one terminal of which is connected to one terminal of the inductor and the other is connected to the cathode of SCR; the gate of SCR is connected between the first and the second resistors.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: March 20, 2012
    Inventor: Jiayi Zhang
  • Patent number: 8132447
    Abstract: A testing machine includes a stand and a test device. The stand includes a base, box frame, a slide device driven to slide by a motor, and a control system controls the force applied on the test specimen. The test device is coupled at the slide device for performing various hardness tests consisting of Rockwell hardness test, Vickers hardness test, Brinell hardness test, micro-hardness test, and tension-compression test. The test device includes a force sensor and a data processing circuit converting an analog signal of the force sensor into digital data to interface with the control system.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: March 13, 2012
    Inventors: Shaoming Wu, Richard Wu
  • Patent number: 8134371
    Abstract: A signal generating circuit for detecting ground status includes a power supply input unit (A), a step down rectified power supply or DC power supply unit (C) in series. The DC power supply required by a signal detection and process unit (D) is obtained by the power supply input unit (A) passing through the step down DC power supply unit (C), and then a ground status signal is obtained and outputted via a resistor unit (B) and the signal detection and process unit (D) connected in turn.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: March 13, 2012
    Inventor: Jun Han
  • Patent number: 8129871
    Abstract: An electromagnetic vibrator is composed of vibration sheet, suspension edge, basin frame and magnetic return path system. The electromagnetic vibrator is prepared as connecting back surface of vibration sheet to voice coil being set in magnetic return path system, injecting the vibration sheet and suspension edge to be an integral unit, connecting suspension edge with basin frame by ultrasonic mode and connecting vice coil wire to terminal sheet on basin frame after the wire is connected by vibration sheet.
    Type: Grant
    Filed: September 29, 2007
    Date of Patent: March 6, 2012
    Inventor: Hsin Min Huang
  • Patent number: 8129930
    Abstract: A method of controlling an operation of an induction actuated container cover includes the steps of (a) normally retaining a cover panel of the container cover in a closed position; (b) detecting a target movement of a user by a sensor; (c) generating a first actuating signal to an actuation unit when the sensor detects the target movement of the user; (d) generating an actuation output from the actuation unit to the cover panel of the container cover, wherein the actuation output contains a decelerating and torque enhancing force which moves the cover panel of the container cover at an opened position; (e) pivotally actuating the cover panel of the container cover at the opened position via the actuation output to expose a storage cavity, and (f) generating a second actuating signal to pivotally actuate the cover panel of the container cover back to the closed position.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: March 6, 2012
    Inventors: Xin Wang, Jiangqun Chen, ShiPing Wang
  • Patent number: 8122523
    Abstract: A toilet hinge includes a hinge body adapted for pivotally coupling with the toilet seat, a hinge base, which is adapted for attaching on the toilet bowl of the toilet, detachably coupled with the hinge body for detachably coupling the toilet seat on the toilet bowl; and a locking arrangement which includes a retention lock operatively moving between a locking status that locks up the hinge body with the hinge base and a releasing status that unlock the hinge body the said hinge base, and a self-lock retaining the retention lock at the releasing status. The user is able to easily remove the toilet seat by unlocking the retention lock such that the retention lock is remained at the releasing status by the self-lock. Therefore, the toilet seat is adapted to be removed from the toilet bowl by detaching the hinge body from the hinge base.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: February 28, 2012
    Inventor: Yonghua Li
  • Patent number: 8118046
    Abstract: An intelligent outdoor sun shading device includes a shading system, an environmental sensor device and a functional controller. The shading system includes a supporting frame, a power source supported at the supporting frame, an awning frame suspendedly and movably supported by the supporting frame, and a sun shelter mounted to the awning frame to define a shading area under the sun shelter. The environmental sensor device is electrically linked to the power source and is installed to the shading system for detecting an environmental change of the shading system in responsive to the shading area thereof. The functional controller is electrically linked to the environmental sensor device and is operatively controlled the awning frame of the shading system, wherein when the functional controller receives a command signal from the environmental sensor device, the awning frame is automatically adjusted to regulate the shading area thereof in responsive to the environmental change of the shading system.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: February 21, 2012
    Inventor: Wanda Ying Li
  • Patent number: 8118045
    Abstract: An outdoor canopy includes a canopy frame, a canopy shelter and a side entrance arrangement. The canopy frame includes a roof frame and a legs frame downwardly extended from the roof frame to form a canopy area. The canopy shelter, which is made of waterproof fabric, is detachably fastening at the canopy frame to define a ceiling wall, a front wall, a rear wall and two sidewalls for enclosing the canopy area therewithin. The side entrance arrangement is formed on one of the sidewalls of the canopy shelter for a user to gain entry to and exit the canopy area without having to pass through the front entrance, wherein the side entrance arrangement contains a side entrance opening formed on the corresponding sidewall of the canopy shelter, and comprise at least one entrance fabric operatively mounted on the corresponding sidewall.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: February 21, 2012
    Inventor: Wanda Ying Li
  • Patent number: 8113381
    Abstract: A pet waste bags dispenser provided for dispensing animal waste bags, having a collapsible container, a dispenser cavity cover and a dispensing means, wherein the dispensing means allows waste bags placed within the waste bags dispenser to be dispensed to a user easily and conveniently. The collapsible waste bags dispenser is made of a collapsible material, such that the dispenser is easy to store, light in weight, simple to manufacture, and has the flexibility to contain different amounts of waste bags within the collapsible container, wherein rolls of or individually wrapped waste bags are allowed to be dispensed. The collapsible waste bags dispenser further has external connecting means for connecting the waste bags dispenser to a foreign object, so as to facilitate the user to easily obtain a waste bag from the dispenser.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: February 14, 2012
    Inventor: Peter H Che
  • Patent number: 8116497
    Abstract: A portable system for an outdoor umbrella includes a portable housing, a detachable locker, and an audio device. The portable housing includes a first housing body and a second housing body defining a mounting slot for a shaft of the outdoor umbrella fitting therewithin. The detachable locker includes a first locker provided at the first housing body and a second locker which is provided at the second housing body and is releasably locked with the first locker so as to detachably lock up the second housing body with the first housing body. The audio device includes a speaker supported in the first housing body and an audio input operatively coupling with the speaker such that when the audio input sends an audio signal to the speaker, the speaker is adapted for producing audio sound as an additional function for the outdoor umbrella.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: February 14, 2012
    Inventor: Wanda Ying Li
  • Patent number: 8116997
    Abstract: A battery-capacity supervisory control device includes a DC current/DC voltage detecting loop, a microprocessor and a display unit. The DC current/DC voltage detecting loop is connected between a battery and a power inverter for detecting a first voltage value before the battery electrically discharges, and a second voltage value as well as an output current value of the battery after electrically discharging for a time unit of the battery, to calculate the available capacity of the battery and to calculate the available time of the battery under loading according to the available capacity of the battery through the microprocessor. The display simultaneously displays the available time of the battery under loading and the available capacity of the battery. Therefore, a user effectively supervises and assures the battery is in the usable state.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: February 14, 2012
    Inventor: Michael Liu
  • Patent number: 8110951
    Abstract: An electromagnetic vibrator includes a vibration sheet, suspension edge, basin frame and magnetic return path system. The electromagnetic vibrator is prepared as connecting back surface of vibration sheet to voice coil being set in magnetic return path system, injecting the vibration sheet and suspension edge to be an integral unit, connecting suspension edge with basin frame by ultrasonic mode and connecting vice coil wire to terminal sheet on basin frame after the wire is connected by vibration sheet.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: February 7, 2012
    Inventor: Hsin Min Huang
  • Patent number: 8110164
    Abstract: A flue-gas purification system includes a flue-gas cycling system, a reactor, an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being gasified for reacting with the flue-gas in the reactor in a homogenous gas-gas phase reacting manner. Therefore, the purification system has fast reaction rate between the pollutants of the flue-gas and the catalytic absorbent, which is preferably ammonia, to efficiently remove pollutants, so as to effectively purify the flue-gas.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: February 7, 2012
    Inventors: Baoquan Zhang, Xiaoqing Zhang
  • Patent number: D656060
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: March 20, 2012
    Inventor: Heibun Cheng