Patents by Inventor Hun Choe

Hun Choe 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: 11926939
    Abstract: The present disclosure relates to a preparation method of a super absorbent polymer non-woven fabric and super absorbent polymer fibers prepared therefrom. According to the preparation method of the present disclosure, it is possible to provide super absorbent polymer fibers exhibiting high flexibility and fast absorption rate in the form of long fibers.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: March 12, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Chanjoong Kim, Woongchan Jeong, Chang Sun Han, Jae Hoon Choe, Taebin Ahn, Chang Hun Lee
  • Patent number: 11678616
    Abstract: A plant cultivation system. The system utilizes a trolley conveyor for transport of plants in plant containers. The trolley conveyor uses straight runs of track connected by curved track portions. The straight runs of track of the trolley conveyor are spaced closely together. The trolley conveyor is used to move plant containers to a workshop for planting, fertilization, watering, cultivation, and harvesting of plants or portions thereof, and for packaging of plants or portions thereof for shipment.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: June 20, 2023
    Assignee: KOREA WHEEL CORPORATION
    Inventors: Jeong Yoon Kim, Hun Choe
  • Patent number: 11654734
    Abstract: A coupler for connecting a trailer to a ball hitch. The coupler has a body that provides a cavity for a downwardly facing ball hitch receiver. Spaced apart first and second sidewalls have therein first, second, and third apertures, and the first, second and third apertures in the first sidewall are aligned with the first, second, and third apertures in the second sidewall. A latch handle having a base with ear portions having downwardly facing surfaces is pivotally connected to the body using a pivot shaft pin. The body includes a latch slot, in which a spring biased ball latch, sized and shaped for engagement with a ball hitch is connected to the latch handle by a latch bar. A safety pin is provided, which can be inserted through the third apertures in each of the first and second sidewalls. When inserted, the latch handle is secured in an uplock condition, so that downward closing motion of the latch handle is arrested by the downward facing surfaces at the ear portions of the latch handle.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: May 23, 2023
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Patent number: 11653601
    Abstract: A plant hanger assembly having multiple level plant trays, useful for growing plants in an upright configuration is provided for use with a trolley conveyor. A plurality of plant trays of selected size and shape are provided spaced apart along a vertical axis. A vertical support shaft has an upper end and a lower end. The plant trays may be circular in shape, with sloping sidewalls. The sloping sidewalls may be angled out sufficiently that the plant trays can be stacked in a nested configuration for storage. The plant trays include a base having grooved channels for transfer of water on the obverse side, and reinforcing ribs for strength, on the reverse side. Apertures between the obverse side and the reverse side allow excess water in an upper plant tray to drain downward into a plant tray therebelow. Shaft couplers are provided, with attachment rings or pins, to securely join the plant trays to the vertical support shaft.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: May 23, 2023
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Publication number: 20230119994
    Abstract: A multilayer ceramic capacitor (MLCC) includes a body including first dielectric layers and second dielectric layers, the body including first to sixth surfaces, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface; first internal electrodes disposed on the first dielectric layers, exposed to the third surface, the fifth surface, and the sixth surface, and spaced apart from the fourth surface by first spaces; second internal electrodes disposed on the second dielectric layers to oppose the first internal electrodes with the first dielectric layers or the second dielectric layers interposed therebetween, exposed to the fourth surface, the fifth surface, and the sixth surface, and spaced apart from the third surface by second spaces; first dielectric patterns disposed in at least a portion of the first spaces, and second dielectric patterns disposed in at least a portion of the second spaces; and lateral insulating layers.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 20, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Soo PARK, Jae Hun CHOE, Dong Hun KIM, Byung Chul JANG, Chang Hak CHOI, Byung Kun KIM
  • Patent number: 11569033
    Abstract: A multilayer ceramic capacitor (MLCC) includes a body including first dielectric layers and second dielectric layers, the body including first to sixth surfaces, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface; first internal electrodes disposed on the first dielectric layers, exposed to the third surface, the fifth surface, and the sixth surface, and spaced apart from the fourth surface by first spaces; second internal electrodes disposed on the second dielectric layers to oppose the first internal electrodes with the first dielectric layers or the second dielectric layers interposed therebetween, exposed to the fourth surface, the fifth surface, and the sixth surface, and spaced apart from the third surface by second spaces; first dielectric patterns disposed in at least a portion of the first spaces, and second dielectric patterns disposed in at least a portion of the second spaces; and lateral insulating layers.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Moon Soo Park, Jae Hun Choe, Dong Hun Kim, Byung Chul Jang, Chang Hak Choi, Byung Kun Kim
  • Publication number: 20220324275
    Abstract: A coupler for connecting a trailer to a ball hitch. The coupler has a body that provides a cavity for a downwardly facing ball hitch receiver. Spaced apart first and second sidewalls have therein first, second, and third apertures, and the first, second and third apertures in the first sidewall are aligned with the first, second, and third apertures in the second sidewall. A latch handle having a base with ear portions having downwardly facing surfaces is pivotally connected to the body using a pivot shaft pin. The body includes a latch slot, in which a spring biased ball latch, sized and shaped for engagement with a ball hitch is connected to the latch handle by a latch bar. A safety pin is provided, which can be inserted through the third apertures in each of the first and second sidewalls. When inserted, the latch handle is secured in an uplock condition, so that downward closing motion of the latch handle is arrested by the downward facing surfaces at the ear portions of the latch handle.
    Type: Application
    Filed: June 20, 2022
    Publication date: October 13, 2022
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Publication number: 20220322612
    Abstract: A plant hanger assembly having multiple level plant trays, useful for growing plants in an upright configuration is provided for use with a trolley conveyor. A plurality of plant trays of selected size and shape are provided spaced apart along a vertical axis. A vertical support shaft has an upper end and a lower end. The plant trays may be circular in shape, with sloping sidewalls. The sloping sidewalls may be angled out sufficiently that the plant trays can be stacked in a nested configuration for storage. The plant trays include a base having grooved channels for transfer of water on the obverse side, and reinforcing ribs for strength, on the reverse side. Apertures between the obverse side and the reverse side allow excess water in an upper plant tray to drain downward into a plant tray therebelow. Shaft couplers are provided, with attachment rings or pins, to securely join the plant trays to the vertical support shaft.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 13, 2022
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Publication number: 20220312688
    Abstract: A plant support cage assembly useful for growing plants in an upright configuration is provided for use with a trolley conveyor. A plurality of vertical support elements of selected length are provided spaced apart circumferentially about a vertical axis. Vertical support elements have an upper end and a lower end. At least some vertical support elements include an inwardly sloping lower portion. A plant container receiving portion is formed in part by the inwardly sloping lower portions vertical support elements, and by one or more plant container retaining hoops which are sized and shaped for receiving and containing therein a plant container of complementary size and shape. Coupling bars are provided affixed to and crossing under the plant container receiving portion, and extending outward therefrom for use in containment of plant stems. A plurality of hoop elements are provided, horizontally oriented and spaced apart vertically, and each affixed to at least some of the vertical support elements.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Publication number: 20220194149
    Abstract: A coupler for connecting a trailer to a ball hitch. The coupler has a body that provides a cavity for a downwardly facing ball hitch receiver. Spaced apart first and second sidewalls have therein first, second, and third apertures, and the first, second and third apertures in the first sidewall are aligned with the first, second, and third apertures in the second sidewall. A latch handle having a base with ear portions having downwardly facing surfaces is pivotally connected to the body using a pivot shaft pin. The body includes a latch slot, in which a spring biased ball latch, sized and shaped for engagement with a ball hitch is connected to the latch handle by a latch bar. A safety pin is provided, which can be inserted through the third apertures in each of the first and second sidewalls. When inserted, the latch handle is secured in an uplock condition, so that downward closing motion of the latch handle is arrested by the downward facing surfaces at the ear portions of the latch handle.
    Type: Application
    Filed: December 23, 2020
    Publication date: June 23, 2022
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Patent number: 11364753
    Abstract: A coupler for connecting a trailer to a ball hitch. The coupler has a body that provides a cavity for a downwardly facing ball hitch receiver. Spaced apart first and second sidewalls have therein first, second, and third apertures, and the first, second and third apertures in the first sidewall are aligned with the first, second, and third apertures in the second sidewall. A latch handle having a base with ear portions having downwardly facing surfaces is pivotally connected to the body using a pivot shaft pin. The body includes a latch slot, in which a spring biased ball latch, sized and shaped for engagement with a ball hitch is connected to the latch handle by a latch bar. A safety pin is provided, which can be inserted through the third apertures in each of the first and second sidewalls. When inserted, the latch handle is secured in an uplock condition, so that downward closing motion of the latch handle is arrested by the downward facing surfaces at the ear portions of the latch handle.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: June 21, 2022
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Patent number: 11299352
    Abstract: An automatic cart transport system. A track located in a factory working floor provides a trackway for an endless flexible conveyor chain. A plurality of chain units including a first chain portion having vertical rollers and a second chain portion having horizontal rollers are flexibly coupled, and the chain is advanced along the trackway by a drive motor. The chain units support thereabove, but within the track, a coupling plate having therein an aperture for accepting and capturing a chain connection shaft which is detachably connected to a cart. The cart is automatically towed along a defined pathway on the working floor of a factory by the chain, when connected to the coupling plate on the endless flexible conveyor chain.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: April 12, 2022
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Patent number: 11273989
    Abstract: A chain driving sprocket for a trolley conveyor. The chain drive sprocket includes a disc shaped central body, chain rings including a first sprocket ring and a second sprocket ring. The first sprocket ring and the second sprocket ring are each removably affixable to the disc shaped central body. The first and second sprocket rings are each provided with spaced apart teeth pairs having a curved surface therebetween, sized and shaped to receive a horizontal shaft in a vertical roller unit of the trolley conveyor, for driving the chain of a trolley conveyor. The disc shaped central body further includes curved rectangular shaped protrusions which extend radially outward on the circumferential surface of the disc shaped body. The chain rings are configured to be interchangeably coupled to each of the two sides of the disc shaped central body, thereby reducing manufacturing cost and reducing maintenance costs, since the chain rings may be replaced when the teeth pairs wear.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: March 15, 2022
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Publication number: 20210292093
    Abstract: A chain driving sprocket for a trolley conveyor. The chain drive sprocket includes a disc shaped central body, chain rings including a first sprocket ring and a second sprocket ring. The first sprocket ring and the second sprocket ring are each removably affixable to the disc shaped central body. The first and second sprocket rings are each provided with spaced apart teeth pairs having a curved surface therebetween, sized and shaped to receive a horizontal shaft in a vertical roller unit of the trolley conveyor, for driving the chain of a trolley conveyor. The disc shaped central body further includes curved rectangular shaped protrusions which extend radially outward on the circumferential surface of the disc shaped body. The chain rings are configured to be interchangeably coupled to each of the two sides of the disc shaped central body, thereby reducing manufacturing cost and reducing maintenance costs, since the chain rings may be replaced when the teeth pairs wear.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 23, 2021
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Publication number: 20210296050
    Abstract: A multilayer ceramic capacitor (MLCC) includes a body including first dielectric layers and second dielectric layers, the body including first to sixth surfaces, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface; first internal electrodes disposed on the first dielectric layers, exposed to the third surface, the fifth surface, and the sixth surface, and spaced apart from the fourth surface by first spaces; second internal electrodes disposed on the second dielectric layers to oppose the first internal electrodes with the first dielectric layers or the second dielectric layers interposed therebetween, exposed to the fourth surface, the fifth surface, and the sixth surface, and spaced apart from the third surface by second spaces; first dielectric patterns disposed in at least a portion of the first spaces, and second dielectric patterns disposed in at least a portion of the second spaces; and lateral insulating layers.
    Type: Application
    Filed: June 9, 2021
    Publication date: September 23, 2021
    Inventors: Moon Soo PARK, Jae Hun CHOE, Dong Hun KIM, Byung Chul JANG, Chang Hak CHOI, Byung Kun KIM
  • Patent number: 11078022
    Abstract: A connector block for connection between first chain units and second chain units which alternately form portions of a conveyor chain. The connector block is provided using a first block body and a second block body each formed into a U-shaped metal plate. Each block body includes a base plate and side plates, and tabs formed at distal ends of side plates. Tabs are configured for interfitting placement in depressions formed in the base plate of the opposing block body. Side plates of the first block body and side plates of the second block body, are sized, shaped, and joined in secure interlocking engagement, and wherein the first tab receiving depressions each securely position therein a second tab bent for interfitting engagement therewith, and wherein the second tab receiving depressions each securely position therein a first tab bent for interfitting engagement therewith.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: August 3, 2021
    Assignee: KOREA WHEEL CORPORATION
    Inventor: Hun Choe
  • Patent number: 11062845
    Abstract: A multilayer ceramic capacitor (MLCC) includes a body including first dielectric layers and second dielectric layers, the body including first to sixth surfaces, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface; first internal electrodes disposed on the first dielectric layers, exposed to the third surface, the fifth surface, and the sixth surface, and spaced apart from the fourth surface by first spaces; second internal electrodes disposed on the second dielectric layers to oppose the first internal electrodes with the first dielectric layers or the second dielectric layers interposed therebetween, exposed to the fourth surface, the fifth surface, and the sixth surface, and spaced apart from the third surface by second spaces; first dielectric patterns disposed in at least a portion of the first spaces, and second dielectric patterns disposed in at least a portion of the second spaces; and lateral insulating layers.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Soo Park, Jae Hun Choe, Dong Hun Kim, Byung Chul Jang, Chang Hak Choi, Byung Kun Kim
  • Publication number: 20210147154
    Abstract: An automatic cart transport system. A track located in a factory working floor provides a trackway for an endless flexible conveyor chain. A plurality of chain units including a first chain portion having vertical rollers and a second chain portion having horizontal rollers are flexibly coupled, and the chain is advanced along the trackway by a drive motor. The chain units support thereabove, but within the track, a coupling plate having therein an aperture for accepting and capturing a chain connection shaft which is detachably connected to a cart. The cart is automatically towed along a defined pathway on the working floor of a factory by the chain, when connected to the coupling plate on the endless flexible conveyor chain.
    Type: Application
    Filed: January 14, 2021
    Publication date: May 20, 2021
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE
  • Publication number: 20210127596
    Abstract: A plant cultivation system for a plant factory that cultivates plants. The plant factory has a building with roof and walls, which may be in the form of a greenhouse with a roof and windows that may be opened and closed. A plant factory using the plant cultivation system cultivates plants for harvest and/or sale. The plant factory plant utilizes a trolley conveyor for transport of plants in plant containers. The trolley conveyor uses straight runs of track connected by curved track portions. The straight runs of track of the trolley conveyor are spaced closely together with space only provided for passage of plant containers in a side by side fashion, as no room for workers is necessary. The plant containers take the plant containers to workers in a workshop for planting, cultivation, harvesting of plants or portions thereof, and packaging of plants or portions thereof for shipment. As a result, labor is minimized, and the productivity of the plant factory is increased.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 6, 2021
    Applicant: KOREA WHEEL CORPORATION
    Inventors: Jeong Yoon KIM, Hun CHOE
  • Publication number: 20210127597
    Abstract: A plant workshop system for a plant factory that cultivates plants. The plant workshop is disposed adjacent to one or more plant factories that cultivate plants for harvest and/or sale. The workshop includes a building structure having a roof and walls that form an environmental enclosure. A work bench is provided. The adjacent plant factory plant utilizes a trolley conveyor for transport of plants in plant containers. The trolley conveyor is provided with a portion of the trolley conveyor track that enters the workshop, runs adjacent to or over the work bench, and then exits the workshop, thus bringing plants to the work bench for planting, pruning, harvesting, or packaging activities by a worker. Air curtains are provided at the entrance and exit points of the trolley conveyor. A vacuum system is provided for use by the worker in cleaning plant containers. A lubrication oil system is provided for use in providing edible lubrication oil to moving parts of the trolley conveyor.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 6, 2021
    Applicant: KOREA WHEEL CORPORATION
    Inventor: Hun CHOE