Patents Represented by Attorney, Agent or Law Firm David & Raymond
  • Floor engaging device for workbench
    Patent number: 7909074
    Abstract: A workbench includes a wheel device secured to a work table, four floor engaging extremities attached to the work table, four rotary members rotatably attached to the work table and engaged with the floor engaging extremities respectively for adjusting the work table up and down relative to the floor engaging extremities, and a coupling device for coupling the rotary members together and for allowing the rotary members to be rotated relative to the floor engaging extremities simultaneously and thus for allowing the work table to be adjusted up and down relative to the floor engaging extremities simultaneously. A hand wheel may be coupled to the coupling device for operating the coupling device.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: March 22, 2011
    Inventor: Ben Yu
  • Induction actuated container
    Patent number: 7911169
    Abstract: An induction actuated container cover includes a control housing having a cover opening, a cover panel pivotally mounted to the control housing to pivotally move between a closed position that the cover panel covers at the cover opening and an opened position that the cover panel exposes the cover opening, and an automatic driving arrangement including a sensor mounted at the control housing for detecting a target movement of a user and an actuation unit supported in the control housing to operatively link with the sensor, wherein the actuation unit is actuated to generate a decelerating and torque enhancing force to move the cover panel between the opened and closed position in a hydraulic manner.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: March 22, 2011
    Inventors: Xin Wang, Jiangqun Chen, ShiPing Wang
  • Catalyst composition and producing process thereof for use in manufacturing methacrolein
    Patent number: 7906689
    Abstract: A catalyst composition for use in manufacturing methacrolein by reacting with one of isobutene and t-butanol, the catalyst composition being represented by the formula of: x (Mo12BiaFebCocAdBeOf)/y Z. Mo12BiaFebCocAdBeOf is an oxide compound. Z is a catalyst carrier is one of graphite, boron, silicon, germanium powder, and a mixture thereof. Mo, Bi, Fe, Co, and O are chemical symbols of molybdenum, bismuth, iron, cobalt, and oxygen respectively. A is one of W, V, Ti, Zr, Nb, Ni, and Re. B is one of K, Rb, Cs, Sr, and Ba. The catalyst is adapted to not only enhance the production of methacrolein with high activeness and high selectivity but also effectively control the heat point of the catalyst during the methacrolein manufacturing process to prolong the catalyst life.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: March 15, 2011
    Inventors: Yan Zhuang, Chunlei Zhang, Xin Wen, Jun Li, Jingming Shao, Peizhang Zhang
  • Induction actuated container
    Patent number: 7906921
    Abstract: A container includes a container body and a container cover. The container cover includes a cover seat, a door panel and an induction actuation arrangement. The cover seat has an accessing window communicating with a container cavity. The door panel is pivotally coupling with the cover seat to move between a closed position and an opened position. The induction actuation arrangement includes an induction unit supported by the cover seat for detecting a presence of an object approaching the cover seat within a detection area of the induction unit, and an actuation unit driving the door panel between the closed position and the opened position.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: March 15, 2011
    Inventors: Xin Wang, Jiang Qun Chen
  • Fluid connector for garden use
    Patent number: 7900972
    Abstract: An improved fluid connector for garden use includes a tube body, a resilient retainer and a sleeve associated therewith. The tube body includes a plurality of holes for accommodation of a locking hook respectively and the resilient retainer is peripherally equipped with several pairs of vertical flexible ribs with an expansion space defined therebetween. On an inner wall of the sleeve, a plurality of push protrusions is disposed and is positioned in relationship with the vertical flexible ribs respectively so that, as the sleeve is pushed downwardly, the flexible ribs may be forced to deform and produce an reactive force that can instantly push the push protrusions of the sleeve back to their original place when the sleeve is free of an external force.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: March 8, 2011
    Inventors: King Yuan Wang, Shun Nan Lo
  • GPS microphone for communication system
    Patent number: 7904095
    Abstract: A GPS microphone, which is adapted for incorporating a communication system, includes a speaker-microphone set, a radio frequency transmitter communicatively networked with the communication system through radio frequency signals, and a GPS controller electrically connected with the radio frequency transmitter to encode a positioning data into a RF positioning signal in form of audio signal wherein when the GPS controller is triggered, the radio frequency transmitter is activated to transmit RF positioning signal to the communication system.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: March 8, 2011
    Inventor: Henry Liou
  • Control servo
    Patent number: 7898130
    Abstract: A control servo includes a supporting frame, a motor, a driving shaft and a control slider. The supporting frame comprises a mount and a slider housing, wherein the motor is supported in the mount of the supporting frame. A driving gear is provided at an output end of the motor. The driving shaft is positioned longitudinally through the slider housing. A driven gear is provided at one end of the driving shaft to mesh with the driving gear. The driving shaft penetrates through the control slider while an upper portion of the control slider extends out of the slider housing. An electric brush is provided underneath the control slider. The control servo eliminates the use a potentiometer as installed in a traditional servo and the reduction gearbox so that the structure is simpler and lighter; thus it plays an important part in the miniaturisation of model aircraft.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: March 1, 2011
    Inventors: Yu Tian, Wenyan Jiang
  • GPS microphone for communication system
    Patent number: 7899466
    Abstract: A communication apparatus, such as a GPS microphone, which is adapted for incorporating a communication system, includes a communication unit such as a speaker-microphone set, a communication transmitter such as a radio frequency transmitter communicatively networked with the communication system through radio frequency signals, and a positioning controller such as a GPS controller electrically connected with the radio frequency transmitter to encode a positioning data into a RF positioning signal in form of audio signal wherein when the GPS controller is triggered, the radio frequency transmitter is activated to transmit RF positioning signal to the communication system.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: March 1, 2011
    Inventor: Henry Liou
  • Self-illumination glove
    Patent number: 7891831
    Abstract: A self-illumination glove for use in poor visibility or dim conditions, the orientation of the light head is adjustable to prevent the light being blocked by the hand movement. The glove body is adapted for load and unloads an illumination unit. The illumination unit includes at least one flexible arm which is extended along and above the dorsum side of the glove body from the power source to the light head and out of the outer glove layer through the through slot, such that the light head is selectively adjusted the orientation when the bendable portion of the flexible arm is adjustably bent.
    Type: Grant
    Filed: September 17, 2008
    Date of Patent: February 22, 2011
    Inventor: Hui Lin Chen
  • Adjustable rotation base
    Patent number: 7891633
    Abstract: An adjustable rotation base includes a base housing and a transportation arrangement. The base housing has a bottom side, an upper side for coupling with the supporting post to support the outer umbrella in an upright manner, and a receiving cavity indently formed on the bottom side of the base housing, wherein the base housing includes a stationary unit provided at the bottom side for sitting on the ground surface in a stationary manner, and a plurality of transferring wheels rotatably supported at the bottom side of the base housing. The transportation arrangement is provided at the base housing to operate the base housing between an idle mode and a transportation mode in which the stationary unit is upwardly lifted to allow the transferring wheels being sitting on the ground surface, such that the base housing is adapted to be transported on the ground surface via the transferring wheels.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: February 22, 2011
    Inventor: Wanda Ying Li
  • LED illuminating device
    Patent number: 7887218
    Abstract: A LED illuminating device includes an illuminating unit and a shell having a top side and chamber. The illuminating unit includes a PCB supported by the shell and one or more LED modules electrically and spacedly mounted on the PCB disposed in the chamber. Each of the LED modules includes a red LED, a blue LED and a green LED which are symmetrically arranged in a triangular manner side by side. The wires are emerged from two ends of the shell in a horizontal plane parallel to an adhesive layer so as to adapt for electrically linking two neighboring LED modules with each other in a flat plane manner. Finally, it reduces unnecessary length of the wire and minimizes the size of the device by decreasing the overall volume.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: February 15, 2011
    Inventor: Baoliang Wang
  • Portable supporting frame for cutting machine
    Patent number: 7882870
    Abstract: A portable supporting frame for a cutting machine includes a leg frame, a tabletop frame, and a frame locker. The leg frame includes two opposing pairs of first and second supporting legs. The tabletop frame includes two table arms pivotally connected to the first crossed legs respectively. The frame locker is used for locking the top ends of the second crossed legs to the table arms respectively to retain the portable supporting frame at a set up position. When the frame locker is released, the tabletop frame is adapted to pivotally fold at 180° to overlap on the folded leg frame at a folded position.
    Type: Grant
    Filed: November 24, 2008
    Date of Patent: February 8, 2011
    Inventor: Wy Peron Lee
  • Self-powered positioning and modem system for two-way radio
    Patent number: 7881728
    Abstract: A self-powered positioning and modem system, which is adapted for linking to a radio frequency transmitter of a communication device to communicating with a communication system through radio frequency signals, includes a GPS controller for communicatively linking to the radio frequency transmitter. The GPS controller includes a position information receptor receiving a positioning data, a signal converter linked to the position information receptor to encode the positioning data into a RF positioning signal in form of audio signal, wherein the GPS controller is triggered for wirelessly transmitting the RF positioning signal through the radio frequency transmitter to the communication system.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: February 1, 2011
    Inventor: Henry Liou
  • GPS-microphone for communication system
    Patent number: 7881729
    Abstract: A communication apparatus, such as a GPS-microphone, which is adapted for incorporating a communication system, includes a communication unit such as a speaker-microphone set, a communication transmitter such as a radio frequency transmitter communicatively networked with the communication system through radio frequency signals, and a positioning controller such as GPS controller electrically connected with the communication transmitter to encode positioning data into one or more RF positioning signals in form of audio signals wherein when the positioning controller is triggered, the communication transmitter is activated to transmit RF positioning signals to the communication system.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: February 1, 2011
    Inventor: Henry Liou
  • Cable plug with folding retention member
    Patent number: 7874864
    Abstract: A cable connector with security arrangement for HDMI cable and the like includes a connector head for being plugged into a terminal socket of an electronic device, and a connector body having at least one retention member pivotally coupling with the connector body for being folded between a folded and unfolded position. The retention member has an attachment slot for aligning with an attachment hole of the terminal socket when the retention member is flipped to the unfolded position so that a fastener can be used to fasten the retention member with the terminal socket so as to securely connect the cable connector with the terminal socket and prevent the cable connector from being accidentally pulled out to disconnect the power or data transmission.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: January 25, 2011
    Inventor: Vince Luu
  • Penetrable assembled magnetic energy generator as well as its magnetic light
    Patent number: 7868529
    Abstract: The present invention discloses a magnetic light, having a magnetic energy generator, and a light body having at least a through slot for penetrating the energy generator, the magnetic energy generator includes a pair of detachable magnetic members jointed together with a face to face manner for defining a magnetic air gap between two magnetic members, as a result, the magnetic field center could be accurately positioned, wherein one of the magnetic members is adapted to penetrate the through slot to be coupled with the remaining magnetic member. In short, such magnetic light has a simpler structure, and solid cost saving, and more importantly prone to be manufactured with an industrial scale.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: January 11, 2011
    Inventor: Jin Li
  • Infrared digital trail camera
    Patent number: D630236
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: January 4, 2011
    Inventor: Chao Lian
  • Lighter shell
    Patent number: D631191
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: January 18, 2011
    Inventor: Xing Wen Luo
  • LED light bulb
    Patent number: D632409
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: February 8, 2011
    Inventor: Fu jun Qiu
  • Rotor blade for toy helicopter
    Patent number: D633956
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: March 8, 2011
    Inventor: Randy Cheng