Patents by Inventor Yu-Chin Wang

Yu-Chin Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8449139
    Abstract: A LED submarine lighting device includes a light-transmissive lamp tube, a LED substrate mounted inside the light-transmissive lamp and carrying a plurality of LED devices in the top surface thereof for giving off light, a heat conducting bar mounted in the light-transmissive lamp tube and stopped between the bottom surface of the LED substrate and the inside wall of the light-transmissive lamp tube for quick dissipation of waste heat from the LED devices to avoid the serious problem in brightness attenuation, and two end caps respectively fastened to opposing front and rear ends of the light-transmissive lamp tube in a water-tight manner.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: May 28, 2013
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Publication number: 20130128568
    Abstract: A LED submarine lighting device includes a light-transmissive lamp tube, a LED substrate mounted inside the light-transmissive lamp and carrying a plurality of LED devices in the top surface thereof for giving off light, a heat conducting bar mounted in the light-transmissive lamp tube and stopped between the bottom surface of the LED substrate and the inside wall of the light-transmissive lamp tube for quick dissipation of waste heat from the LED devices to avoid the serious problem in brightness attenuation, and two end caps respectively fastened to opposing front and rear ends of the light-transmissive lamp tube in a water-tight manner.
    Type: Application
    Filed: November 21, 2011
    Publication date: May 23, 2013
    Inventor: Yu-Chin WANG
  • Patent number: 8444304
    Abstract: A reptile lamp for installation in a top side of a reptile tank to provide illumination is disclosed to include a housing equipped with a high-voltage circuit and a LED start control circuit, a LED lamp panel mounted inside the housing and electrically connected to the LED start control circuit and carrying multiple white LEDs and red LEDs for emitting white light or red light subject to the control of the LED start control circuit, and phosphor-coated cold cathode tubes mounted inside the housing and electrically connected to the high-voltage circuit for emitting ultraviolet light.
    Type: Grant
    Filed: June 25, 2011
    Date of Patent: May 21, 2013
    Assignee: EIKO Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Publication number: 20130087549
    Abstract: An aquarium heater includes a top cover, a ceramic heater plate arranged at the bottom side of the top cover, a temperature control knob arranged at the top side of the top cover, a circuit controller arranged at the bottom side of the top cover for controlling the ceramic heater plate to generate one of a series of watts of heat energy subject to setting of the temperature control knob, a metal heat sink surrounding the ceramic heater plate, and an insulative housing tightly attached to the bottom side of the top cover around the metal heat sink.
    Type: Application
    Filed: October 7, 2011
    Publication date: April 11, 2013
    Inventor: Yu-Chin WANG
  • Publication number: 20130033851
    Abstract: An aquarium LED lighting device includes a casing defining two opposing locating grooves and a recessed accommodation portion between the locating grooves. a LED circuit board mounted in the recessed accommodation portion of the casing and carrying a plurality of LEDs at the light-emitting side thereof, a LED cover board affixed to the casing and having integrated LED caps respectively disposed corresponding to the LEDs of the LED circuit board for disusing the light emitted by the LEDs. each LED cap defining therein a recessed hole for receiving one respective LED, two packing strips respectively fastened to the locating grooves of the casing to secure the LED cover board to the casing, and two end blocks respectively fastened to the casing to close the two distal ends of the casing.
    Type: Application
    Filed: August 7, 2011
    Publication date: February 7, 2013
    Inventor: Yu-Chin WANG
  • Publication number: 20120327648
    Abstract: A reptile lamp for installation in a top side of a reptile tank to provide illumination is disclosed to include a housing equipped with a high-voltage circuit and a LED start control circuit, a LED lamp panel mounted inside the housing and electrically connected to the LED start control circuit and carrying multiple white LEDs and red LEDs for emitting white light or red light subject to the control of the LED start control circuit, and phosphor-coated cold cathode tubes mounted inside the housing and electrically connected to the high-voltage circuit for emitting ultraviolet light.
    Type: Application
    Filed: June 25, 2011
    Publication date: December 27, 2012
    Inventor: Yu-Chin WANG
  • Patent number: 8242419
    Abstract: An aquarium heater including a tubular plastic housing that houses a positive temperature coefficient element and two metal radiation fins and filled up with a thermal conductive filler, and a top cover capped on the tubular plastic housing to hold a power cable for transmitting electricity to the positive temperature coefficient element to generate heat. Because of the positive temperature coefficient element, no temperature control loop is necessary for controlling the temperature level. Further, the aquarium heater has a self-protection function because of the positive temperature coefficient element.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: August 14, 2012
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: 8240867
    Abstract: An LED lamp for an aquarium is disclosed, wherein a shade mounted therein with an LED lamp pipe, a grooved edge of the shade is formed thereon a front slide groove and a rear slide groove, the front slide groove is inlaid therein with a lamp pipe clamp, the rear slide groove is inlaid therein with at least two magnetic blocks; by taking advantage of the magnetic attraction of the two magnetic blocks and the outer magnetic attraction blocks provided outside of the aquarium, the entire LED lamp pipe can be fixed at any position in the aquarium, and can suit various aquariums of different sizes to provide illumination.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: August 14, 2012
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: 8176876
    Abstract: An aquarium pump having LED lamps, wherein the coil unit of a motor unit in the pump housing is used as a primary coil unit, and a first insulating layer is used to envelop the primary coil unit, then a secondary coil unit is used to wind the primary coil unit; taking advantage of induction of the secondary coil unit to the primary coil unit to generate a low voltage for using by the LED illuminating lamp set. Kinetic energy during rotation of an internal magnet of a motor for the pump is used as induction potential, this is the energy required that can get an effect of energy saving and carbon reducing.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: May 15, 2012
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: 8173940
    Abstract: A high-power plastic aquarium heater includes a narrow, elongated, flat nickel-chrome steel strip wound on a mica tube and electrically connected with a circuit board inside a tubular plastic casing, and vacuum mounts fastened to the tubular plastic casing with pipe clamps for securing the tubular plastic casing to the inside wall of an aquarium. The use of the narrow, elongated, flat nickel-chrome steel strip facilitates positioning of the mica tube in the longitudinal center axis of the tubular plastic casing for even distribution of heat energy. Further, the nickel-chrome steel strip has a broad heat generating surface area in one particular direction to that the high-power plastic heater has a high performance while saving much the consumption of electric power.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: May 8, 2012
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Publication number: 20120081883
    Abstract: An LED lamp for an aquarium is disclosed, wherein a shade mounted therein with an LED lamp pipe, a grooved edge of the shade is formed thereon a front slide groove and a rear slide groove, the front slide groove is inlaid therein with a lamp pipe clamp, the rear slide groove is inlaid therein with at least two magnetic blocks; by taking advantage of the magnetic attraction of the two magnetic blocks and the outer magnetic attraction blocks provided outside of the aquarium, the entire LED lamp pipe can be fixed at any position in the aquarium, and can suit various aquariums of different sizes to provide illumination.
    Type: Application
    Filed: October 4, 2010
    Publication date: April 5, 2012
    Inventor: Yu-Chin Wang
  • Publication number: 20120037081
    Abstract: An aquarium includes a semi-cylindrical transparent casing for holding water and water animals and plants and covered with a top cover, a base member attached to the bottom side of the transparent casing and defining an open space, a battery-operated LED lamp detachably mounted in the open space of the base member and controllable to emit light upwardly toward the inside of the transparent casing. The battery-operated LED lamp can be removed from the base member, and attached to the top cover to emit light downwardly toward the inside of the transparent casing, or separately used as a mobile lighting tool.
    Type: Application
    Filed: August 14, 2010
    Publication date: February 16, 2012
    Inventor: Yu-Chin WANG
  • Patent number: 8113147
    Abstract: An aquarium includes a semi-cylindrical transparent casing for holding water and water animals and plants and covered with a top cover, a base member attached to the bottom side of the transparent casing and defining an open space, a battery-operated LED lamp detachably mounted in the open space of the base member and controllable to emit light upwardly toward the inside of the transparent casing. The battery-operated LED lamp can be removed from the base member, and attached to the top cover to emit light downwardly toward the inside of the transparent casing, or separately used as a mobile lighting tool.
    Type: Grant
    Filed: August 14, 2010
    Date of Patent: February 14, 2012
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Publication number: 20110239951
    Abstract: An aquarium pump having LED lamps, wherein the coil unit of a motor unit in the pump housing is used as a primary coil unit, and a first insulating layer is used to envelop the primary coil unit, then a secondary coil unit is used to wind the primary coil unit; taking advantage of induction of the secondary coil unit to the primary coil unit to generate a low voltage for using by the LED illuminating lamp set. Kinetic energy during rotation of an internal magnet of a motor for the pump is used as induction potential, this is the energy required that can get an effect of energy saving and carbon reducing.
    Type: Application
    Filed: April 2, 2010
    Publication date: October 6, 2011
    Inventor: Yu-Chin WANG
  • Patent number: 7931801
    Abstract: An aquarium filter system mainly has a base and an uprightly mounted filtering cylinder; the filtering cylinder is provided therein with a pump unit, it can be optionally used to spray forceful water jet on the surface board of the base or to pump air into the filtering cylinder to form air bubbles in water in the filtering cylinder; after filtering, seawater in an aquarium can be kept clean.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: April 26, 2011
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: D646002
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: September 27, 2011
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: D646003
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: September 27, 2011
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: D690839
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: October 1, 2013
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: D690844
    Type: Grant
    Filed: April 21, 2012
    Date of Patent: October 1, 2013
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Patent number: D690846
    Type: Grant
    Filed: April 21, 2012
    Date of Patent: October 1, 2013
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang