Patents Assigned to C&TECH
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Patent number: 12160130Abstract: A power supply system for preventing battery packs connected in parallel from charging each other is provided. Each of a plurality of battery packs includes a plurality of batteries, a sensing resistor, a detector circuit, a discharging transistor, a charging transistor, and a controller circuit. The sensing resistor has a first end connected to a negative terminal of the battery packs and a second end connected to a negative electrode of the battery circuit. The detector circuit is connected to the first end and the second end of the sensing resistor. The discharging transistor has a first end connected to a positive terminal of the battery packs and a second end connected to a first end of the charging transistor. According to a current of the sensing resistor, the controller circuit controls the discharging transistor and the charging transistor to be turned on or off.Type: GrantFiled: December 3, 2021Date of Patent: December 3, 2024Assignee: C-TECH UNITED CORPORATIONInventors: Heng-Chen Kuo, Sheng-Hung Chu
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Patent number: 12081621Abstract: The present disclosure relates to an IoT communication system supporting connection between devices. The present disclosure provides an IoT device comprising a connect unit connecting with a sensor module, a processor performing data communication with the sensor module through the connect unit, a device memory storing data read from the sensor module through the data communication, and a communication module wirelessly transmitting the data stored in the device memory. The present disclosure connects an existing sensor module without a communication function with an IoT device equipped with a communication function and supports a standardized protocol between them, thereby enabling the IoT device to relay the sensor module's data and constructing a cost-effective IoT communication system.Type: GrantFiled: November 5, 2021Date of Patent: September 3, 2024Assignee: C&TECHInventors: Ki Duk Kim, Seung Hyun Park, Jeong Ho Lee
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Publication number: 20230422420Abstract: One aspect of the present disclosure discloses an expandable modular IoT device. The device comprises a first substrate, a first processor on the first substrate, a first IoT sensor on the first substrate, and a connector configured to connect an additional electronic component.Type: ApplicationFiled: November 5, 2021Publication date: December 28, 2023Applicant: C&TECHInventors: Ki Duk KIM, Seung Hyun PARK
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Publication number: 20230392736Abstract: A coupler which connects a nipple provided on a cylinder valve of a gas supply line in a semiconductor process to an operating fluid supply line, includes: a first inlet port connected to the operating fluid supply line; a housing having a first cavity that is in communication with the first inlet port; at least one ball which is engaged with a ring-shaped engaging recess formed around a connection portion of the nipple; and a pipe portion which is installed in the first cavity and regulates a second cavity in which the connection portion of the nipple is inserted.Type: ApplicationFiled: October 16, 2021Publication date: December 7, 2023Applicant: P&C TECH CO., LTD.Inventor: Young Gil PARK
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Publication number: 20230396675Abstract: The present disclosure relates to an IoT communication system supporting connection between devices. The present disclosure provides an IoT device comprising a connect unit connecting with a sensor module, a processor performing data communication with the sensor module through the connect unit, a device memory storing data read from the sensor module through the data communication, and a communication module wirelessly transmitting the data stored in the device memory. The present disclosure connects an existing sensor module without a communication function with an IoT device equipped with a communication function and supports a standardized protocol between them, thereby enabling the IoT device to relay the sensor module's data and constructing a cost-effective IoT communication system.Type: ApplicationFiled: November 5, 2021Publication date: December 7, 2023Applicant: C&TECHInventors: Ki Duk KIM, Seung Hyun PARK, Jeong Ho LEE
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Patent number: 11735946Abstract: A voltage stabilizing system of a switching direct current (DC) power supply equipment is provided. DC power outputted by battery modules and a rectifier is boosted, bucked, or boosted and bucked by a voltage stabilizer circuit, and is then distributed to a plurality of external electronic devices or the battery modules. The voltage stabilizer circuit includes a main voltage stabilizer circuit and one or more slave voltage stabilizer circuits. The main voltage stabilizer circuit controls the slave voltage stabilizer circuits, and distributes the DC power respectively to the main voltage stabilizer circuit and the slave voltage stabilizer circuits. Circuit boards of the main voltage stabilizer circuit and the slave voltage stabilizer circuits are pluggably installed in a machine cabinet of the switching direct current power supply equipment.Type: GrantFiled: April 14, 2021Date of Patent: August 22, 2023Assignee: C-TECH UNITED CORPORATIONInventor: Feng-Wen Fu
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Publication number: 20220286760Abstract: The present specification discloses a method for monitoring a mobile asset by using a sensing terminal which comprises: a coupling unit for coupling an object of interest to the housing; a sensor unit for generating sensing data for the object of interest; a processor for generating, on the basis of the sensing data, transmission unit data to be transmitted to a server; and a communication unit for transmitting the transmission unit data to the server.Type: ApplicationFiled: November 28, 2019Publication date: September 8, 2022Applicant: C&TECH CO.,LTD.Inventors: Ki Duk KIM, Min Gun BAEK
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Patent number: 10999896Abstract: Provided is a temperature controller for an industrial heating apparatus adjusting a soak time on the basis of the variation of the thermal energy. Accordingly, since a temperature equilibrium time point of the center is determined by reflecting a temperature tolerance in the chamber and a soak time is corrected and since the temperature equalization time point is set on the basis of a full load state in which the variation of the input thermal energy per time is the smallest, the temperature at the center falls within an allowable upper/lower limit range even if a partial load state is applied, whereby the temperature control apparatus and method for an industrial heater applicable regardless of the amount of heating targets may be provided.Type: GrantFiled: July 4, 2019Date of Patent: May 4, 2021Assignee: V&C-TECHInventor: Bok Han Song
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Patent number: 10252041Abstract: The present invention provides a pack for supplying carbon dioxide to a skin, capable of storing carbonate and acid in an unreacted mixed state without being degenerated according to a change with the passage of long time and easily usable. The pack is formed by successively applying and drying an acid-coated layer and a carbonate-coated layer on one side surface of a non-woven fabric and by laminating a waterproof film on the other side surface thereof. Otherwise, the pack is formed by including a first non-woven fabric configured to have one side surface on which a carbonate-coated layer is formed; a second non-woven fabric configured to have one side surface on which an acid-coated layer is formed; and a waterproof film, wherein the first non-woven fabric and the second non-woven fabric are laminated such that the carbonate-coated layer and the acid-coated layer face each other, and the waterproof film is attached on one outer surface of the lamination.Type: GrantFiled: September 30, 2013Date of Patent: April 9, 2019Assignee: C&TECH CORPORATIONInventor: Han-Wook Park
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Patent number: 10076473Abstract: The present invention provides a dried gel sheet manufacturing apparatus and method, and a gel sheet. The dried gel sheet manufacturing apparatus includes an applying unit 2 which includes gravure rolls 22a and 22b to apply a hydrogel composition of a reserving tank 24 on a supporting member M which is conveyed together with a lower film Fa to form a sheet shaped hydrogel H, a cooling drying unit 4 which cools the sheet shaped hydrogel H using a cooling plate 44 to be solidified while being transported; and a heating drying unit 6 which dries and irons the solidified sheet shaped hydrogel by a combination of a heater roll group 64 and a nozzle unit 66 or the nozzle unit 66, a dry conveyer 68, a godet roller 70 or a nozzle unit 66, a dry conveyer 68, a heater roll group 64, or a nozzle unit 66 and a godet roller 70 to obtain a gel sheet G2.Type: GrantFiled: August 22, 2016Date of Patent: September 18, 2018Assignee: C&TECH CORPORATIONInventor: Han-Wook Park
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Patent number: 9567147Abstract: Disclosed is a dual compartment pouch with a pressure-openable non-seamed line with a configuration in which: a specific portion of a bonding line forms a border of first and second receiving portions; a pressurized opening formed with a cross-section of protrusions and depressions closely attached to upper sides or lower sides of one of the first and second receiving portions having a sealed external portion along an external bonding line and partitioned by an internal bonding line is disposed; and a cutting line for defining a range within which the first receiving portion and the second receiving portion may be separated from a lower side in the center of the internal bonding line to a position that is near the pressurized opening.Type: GrantFiled: October 12, 2015Date of Patent: February 14, 2017Assignee: C&TECH CORPORATIONInventor: Han-Wook Park
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Publication number: 20150295422Abstract: A vehicle emergency rescue device includes a control unit, a charging and discharging circuit, a battery set, an output voltage converter, a computing unit, a connection terminal and a display device. Subject to the functioning of the inner computing unit and the outer display device, the user can know the car battery capacity and status, the charging time required and the time remaining for full battery charge during the operation of the vehicle emergency rescue device to charge the car battery of the vehicle.Type: ApplicationFiled: April 15, 2014Publication date: October 15, 2015Applicant: C-TECH UNITED CORP.Inventor: Shao Kang CHEN
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Publication number: 20150295440Abstract: A mobile power supply device includes a casing having a locating groove extending around the periphery thereof, a battery set and a control unit mounted in the casing and electrically coupled together, a first transmission arm fastened with one end thereof to the casing and receivable in the locating groove and having a first electrical connection terminal located at a distal end thereof electrically connected to the control unit for power output, a first extension arm extended from a middle part thereof and a second electrical connection terminal located at the distal end of the first extension arm and electrically connected to the control unit for power output, and a second transmission arm fastened with one end thereof and receivable in the locating groove of the casing and having a third electrical connection terminal located at a distal end thereof and electrically connected to the control unit for power output.Type: ApplicationFiled: April 15, 2014Publication date: October 15, 2015Applicant: C-TECH UNITED CORP.Inventor: Chen Yen LIAO
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Publication number: 20150097065Abstract: A reel for transporting continuous rod with a clamping system to hold the rod against excess, unsafe movement of the rod during the loading and unloading of the rod onto the reel. The clamping system has a rod end clamp and a guide that can move with the rod or move the rod into a preferred position.Type: ApplicationFiled: April 1, 2014Publication date: April 9, 2015Applicant: C-Tech Oil Well Technologies Inc.Inventors: Alex Perri, Dean Passey, Harvey Verstraete, Randy Bourne
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Patent number: 8506922Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon nanotubes in metal powders, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powders, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.Type: GrantFiled: January 5, 2012Date of Patent: August 13, 2013Assignee: C & Tech Co., Ltd.Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn
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Publication number: 20130189724Abstract: A carbonaceous feedstock can be converted into a chemical product having a higher commercial value, by introducing the carbonaceous feedstock into a plasma torch under conditions selected to generate a synthetic gas mixture having a tailored composition, and then introducing the synthetic gas mixture into a microbial digester configured to convert the synthetic gas mixture into the chemical product. The composition of the synthetic gas mixture produced by the plasma torch can be quickly modified to yield an optimal quality and quantity required by the microbial digester, and the quantity and stoichiometric ratio can be quickly varied if the quantity or composition of the synthetic gas mixture being provided is not appropriate for the microbial digester, enabling greater efficiency to be achieved as compared to systems where the quality and quantity of the synthetic gas mixture cannot be easily changed.Type: ApplicationFiled: March 8, 2013Publication date: July 25, 2013Applicant: C-TECH LLCInventor: C-Tech LLC
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Publication number: 20120134870Abstract: The present invention relates to a manufacturing method of composite sintering materials using a carbon nanotube comprises the steps of; pressing metal power to obtain a predetermined form, heating the predetermined form in an atmosphere of nitrogen gas for sintering, dipping and heating a sintered product obtained by the sintering process to an organic solution dispersed with a carbon nanotube to combine the carbon nanotube for generating the carbon nanotube, and sintering the sintered product in an atmosphere of nitrogen gas for re-sintering to grow the generated carbon nanotube. The composite sintering materials using carbon nanotubes of the present invention have excellent mechanical, thermal, and electric and electronic characteristics as well as have effects of material cost reduction and manufacturing cost reduction due to reduced sintering temperature.Type: ApplicationFiled: January 5, 2012Publication date: May 31, 2012Applicant: C & TECH CO., LTD.Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyung-eun Ahn
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Publication number: 20120132649Abstract: Coupling for joining conduits in a dielectric heating reactor comprising: a connector for forming a sealed joint between conduits, and an expandable electromagnetic shield arranged to surround joined conduits such that electromagnetic shielding of the joined conduits is maintained in response to dimensional changes due to temperature and/or pressure. Furthermore, an electromagnetic heating reactor comprising: an electromagnetic enclosure having a pressurisable interior and a reactant supply conduit at least partially enclosed within the pressurisable interior, wherein the pressurisable interior is arranged to at least partially counterbalance pressure within the reactant supply conduit and further wherein the interior of the reactant supply conduit is sealed against the pressurisable interior.Type: ApplicationFiled: April 15, 2010Publication date: May 31, 2012Applicant: C-TECH INNOVATION LIMITEDInventors: Robert Melson Perkin, Norman Maloney, Ian Harry Jones, Darren Kell, David Ellis
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Publication number: 20120134869Abstract: The present invention relates to a manufacturing method of composite sintering materials using a carbon nanotube comprises the steps of; dipping diluted HF solution, natal, or phosphoric acid along with a carbon nanotube solution dispersed to metal power, forming a predetermined form by pressing the master alloys, sintering the predetermined form in an atmosphere of nitrogen gas to grow the carbon nanotube, generating the carbon nanotube in the pores of the predetermined form by inserting ammonia, carbon dioxide carbonated water, acetylene, methane, methanol, or benzene to the sintered product in an inert gas atmosphere of a temperature about 1200° C. to add a toughness; and re-sintering the sintered product in which the carbon nanotube is generated in the atmosphere of nitrogen gas to growth the carbon nanotube.Type: ApplicationFiled: January 5, 2012Publication date: May 31, 2012Applicant: C & TECH CO., LTD.Inventors: Sang-chul Ahn, Sun-Hwa Yang, Hyung-eun Ahn
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Patent number: 8119095Abstract: The present invention relates to a composite sintering materials using a carbon nanotube (including carbide nano particles, hereinafter the same) and a manufacturing method thereof, the method comprises the steps of: combining or generating carbon nanotubes in metal powers, a compacted product, or a sintered product; growing and alloying the carbon nanotubes by compacting or sintering the metal powers, the compacted product, or the sintered product; and strengthening the mechanical characteristics by repeatedly performing the sintering process and the combining process or the generating process of the carbon nanotubes.Type: GrantFiled: September 7, 2007Date of Patent: February 21, 2012Assignee: C & Tech Co., Ltd.Inventors: Sang-chul Ahn, Sun-hwa Yang, Hyeung-eun Ahn