Patents Represented by Attorney, Agent or Law Firm Pro-Techtor Int'l Services
  • Patent number: 7594777
    Abstract: The present invention provides a pattern-changing walk path on top of which some groove lines and some raised ridges or dots form an anti-skidding layer for children's play and games. The modular design may be disassembled into the units for storage, taking up little room since they can be stacked together, and can be securely attached to one another when put together for use.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: September 29, 2009
    Inventor: I-Cheng Chiu
  • Patent number: 7584913
    Abstract: A safety switch of a paper shredder is a safety switch that is installed on an ordinary paper shredder. Another magnet is installed on a scrap paper bin or a door panel, and by using a magnet to repulse or attract a magnetic block inside the safety switch, power is shut off at a same time when the scrap paper bin is pulled out or the door panel is opened for taking out the scrap paper bin.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: September 8, 2009
    Inventor: Emily Lo
  • Patent number: 7583001
    Abstract: An electric motor design for hub motors comprises a stator assembly, having an axle, a stator plate sector holder, fixed on the axle, at least one stator sector assembly, mounted on the stator plate holder, and electric coils, would around the plates of the stator plate assembly; and a rotor assembly, having a casing, a rotor magnet retainer assembly, placed inside of the casing, and at least one permanent magnet, mounted on plates of the rotor magnet retainer assembly; wherein the stator sector assembly and/or the rotor magnet retainer assembly have plates which are stacked on top of each other and which are each divided into at least two sectors, saving production cost.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: September 1, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Chun-Hsien Lu, Huan-Lung Gu, Chi-Tang Hsu
  • Patent number: 7568367
    Abstract: A two-way opened strap lock with an indication is a strap lock having a housing and a cover. A mouth at an end of the housing provides for an insertion and locking of push buttons of the cover, an interior of the housing is provided with dials, a tumbler, and an indicator assembly, and the indicator assembly includes a switch and an indicator. By using a key to drive the tumbler to rotate, the indicator can be driven to displace from a first position to a second position, of the housing.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: August 4, 2009
    Inventor: Chien-Yung Huang
  • Patent number: 7565852
    Abstract: A screwdriver with rotary cartridge including replaceable bits therein comprises a body including a cavity portion formed at one end thereof for receiving a rotary cartridge having grooves therein, the cavity portion including a mounting tube provided at front end thereof and communicating therewith, the grooves rotatably corresponding to the mounting tube, the cavity portion also including a slide seat secured at the rear end thereof and communicating therewith, the slide seat including a grip disposed thereon and having a push shank fixed at the front end thereof, wherein a slidable piece is attached in the cavity portion for being pushed by the push shank and includes a guide slot formed thereon, at one end of the rotary cartridge are extendedly defined with locking protrusions, on a rotating shaft of the rotary cartridge is pivotally secured an actuation member for rotatably retaining the corresponding locking protrusions, the actuation member includes a guiding tab disposed thereon for being fitted in th
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: July 28, 2009
    Assignees: Kae Mae Enterprise Co., Ltd.
    Inventor: Hong-Chow Yu
  • Patent number: 7555805
    Abstract: A holding assembly for a sweeping and wringing apparatus comprises a fastening assembly, fastened to a lower end of a holding rod of the sweeping and wringing apparatus, having a chamber which is enclosed by a left wall and a right wall into which insertion holes are bored, an insertion assembly, inserted between the insertion holes and having two cross-shaped insertion heads separated by a spring, and a release assembly, shaped like the letter U and having two end sections with chamfered end faces which wedge-like respectively enter spaces between the left and right walls and the insertion heads when the release assembly is pressed on, with a spring exerting a counterforce, so that a cleaning head of the sweeping and wringing apparatus is easily replaced.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: July 7, 2009
    Inventor: Ming-Hsien Lin
  • Patent number: 7556126
    Abstract: An elevator escape arrangement includes a hinged window on a car; an escape rope passed by the window; a spring biased linking mechanism interconnected the window and a door; and a drive assembly including a first shaft, a detent block on the first shaft and between two brake bars, a cam-like member engaged with a drive sheave, a pulley on the first shaft with the escape rope run, a first gear on the first shaft, a second gear meshed with the first gear, and a second shaft passed through the second gear and the cam-like member. In case of emergency with the car stuck between two floors, the car and a counterweight balanced, and the brake activated, opening the window will cause the linking mechanism to lock the door, pulling the escape rope will unbalance and move the car, and closing the window will unlock the door for escape therethrough.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: July 7, 2009
    Inventor: Chiu Nan Wang
  • Patent number: 7555804
    Abstract: A cleaning head for a sweeping and wringing apparatus is mounted on a lower end of a connecting rod thereof and comprises a cleaning element, having a sweeping part and a held part, a base plate, holding the held part of said cleaning element and having two fixing elements, which each have a fixing hole and a guiding surface.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: July 7, 2009
    Inventor: Ming-Hsien Lin
  • Patent number: 7553017
    Abstract: An eyeglasses temple and a mould for making the same, the eyeglasses temple comprises a connecting member having a butt-strap formed at the front end thereof, a metal rod and a flexible cover. A front end of the metal rod is fixed to a rear end of the connecting member. The flexible cover is formed by injection molding to wrap around the connecting member and an outer periphery of the metal rod. The metal rod is positioned in the center of the flexible cover. The flexible cover, the connecting member and the metal rod are fixed with one another stably, so that the quality of the eyeglasses temple is improved. Moreover, it is easy for the eyeglasses wearer to bend the metal rod and the flexible cover in order to adjust their bending angle for better wearing comfort.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: June 30, 2009
    Inventor: Pen-wei Chen
  • Patent number: 7548417
    Abstract: An antivibration guide rail for a computer disk drive, in which soft elastic antivibration pads are additionally located at appropriate positions on a hard plastic guide rail, and the guide rail is fitted to two sides of a disk drive. Accordingly, the antivibration pads are able to absorb vibration produced when the disk drive is running, thereby improving read accuracy of the disk drive, and reducing noise produced by vibration when the disk drive is running.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: June 16, 2009
    Assignee: In Win Development, Inc.
    Inventor: Vincent Lai
  • Patent number: 7543763
    Abstract: A control device for a shower head assembly includes is engaged with an inlet of the shower head and includes a tubular body which has a central piece located at a center thereof. A plurality of plates are connected between the central piece and an inner periphery of the tubular body. A flexible ring is mounted to the central piece such that a path is defined between the inner periphery of the tubular body and an outer periphery of the flexible ring. The flexible ring is expanded by water pressure to narrow the size of the path so that the maximum volume of the water can be controlled.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: June 9, 2009
    Inventor: Alex Wu
  • Patent number: 7535139
    Abstract: A bi-directional reversible submersible motor, which includes a housing having an inside bracket, two water guide plates fastened to the two distal ends of the housing and covered with a respective cap, a locating rod connected between the water guide plates, a sleeve affixed to the bracket and holding a winding, a magnetic shaft and fan blade assembly rotatably supported on the locating rod in the sleeve for rotating two fan blades to pump water when the winding is electrically energized, and a controller for controlling the supply of electric current to the winding to control the direction and time of rotation of the fan blades.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: May 19, 2009
    Inventor: Chi-Der Chen
  • Patent number: 7535138
    Abstract: A reversible submerged motor includes a double open end housing with an inside bracket, a barrel-like axle holder, which is affixed to the bracket of the housing and holds a winding around a tubular axle thereof, and a vane holder, which has a shaft pivotally supported in the tubular axle of the barrel-like holder, magnets equiangularly arranged outside the barrel-like axle holder corresponding to the winding, and a vane disposed outside the housing for moving water, two slotted semispherical caps respectively fastened to the two distal ends of the housing, two guards respectively fastened to the two ends of the housing around the semispherical caps for controlling water flowing angle, and a controller with a timer for controlling forward/backward alternative rotation time of the vane holder.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: May 19, 2009
    Inventor: Chi-Der Chin
  • Patent number: 7527311
    Abstract: An illuminable picker comprises a cylindrical member including cells provided therein, a control member disposed at the rear end of the cylindrical member and including a bolt for fitting a spring thereon, as the bolt is pressed to move, it may contact with the electrode output end of the cells, a sleeve mounted at the front end of the cylindrical member for confining the cells and including a spring fitted thereon and a string fixed at the front end thereof, the string including an expandable claw attached at the front end thereof, a tube secured at the front end of the sleeve for inserting the string and positioning the claw, a bulb affixed on the tube and including anode and cathode output wires, the anode output wire fixed on the tube, while the cathode output wire passing through the sleeve and contacting with the cathode output end of the cells, thereby simultaneously obtaining the picking and illumining purpose.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: May 5, 2009
    Inventor: Leo Shih
  • Patent number: 7514048
    Abstract: A controlled odor generator, comprising a central processing unit, at least one micropump unit, a sensor unit and a fan. The micropump unit is housed in a casing containing odorous fluid and has a micropump array for ejecting the odorous fluid in tiny droplets. The central processing unit regulates operation of the micropump unit, allowing to control timing quantity and mixture of spread odor. The sensor unit provides the central processing unit with environmental data, like temperature, air density and humidity, as well as human body states for controlling the micropump unit. Environmental changes are followed by a change of spraying of odor, and varying taste and demand are adapted to.
    Type: Grant
    Filed: August 22, 2002
    Date of Patent: April 7, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Tien-Ho Gau, Yu-Yin Peng
  • Patent number: D592662
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: May 19, 2009
    Assignee: In Win Development, Inc.
    Inventor: Vincent Lai
  • Patent number: D595072
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: June 30, 2009
    Inventor: Shu O Su
  • Patent number: D599382
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: September 1, 2009
    Inventor: Chia-Lin Tsai
  • Patent number: D599383
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: September 1, 2009
    Inventor: Chia-Lin Tsai
  • Patent number: D601302
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: September 29, 2009
    Assignee: YCC Products Inc.
    Inventor: Yu-Kuang Chang