Coway Co., Ltd.

United States of America

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2022 2
Before 2021 11
IPC Class
B01D 61/02 - Reverse osmosisHyperfiltration 8
C02F 1/00 - Treatment of water, waste water, or sewage 6
C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis 6
B01D 35/157 - Flow control valvesDamping or calibrated passages 5
B01D 37/04 - Controlling the filtration 5
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Found results for  patents

1.

Water purifier and flow rate control method therefor

      
Application Number 17684866
Grant Number 11534709
Status In Force
Filing Date 2022-03-02
First Publication Date 2022-06-16
Grant Date 2022-12-27
Owner Coway Co., Ltd (USA)
Inventor
  • Kang, Dae-Sik
  • Lee, Byoung-Phil
  • Moon, Hyoung-Min
  • Kang, Sang-Hyeon
  • Lee, Dong-Hun

Abstract

Provided is a water purifier that includes a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.

IPC Classes  ?

  • B01D 35/147 - Bypass or safety valves
  • B01D 37/04 - Controlling the filtration
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
  • B01D 35/157 - Flow control valvesDamping or calibrated passages

2.

Water purifier and control method for water purifier

      
Application Number 17532591
Grant Number 11794146
Status In Force
Filing Date 2021-11-22
First Publication Date 2022-03-17
Grant Date 2023-10-24
Owner Coway Co., Ltd (USA)
Inventor
  • Moon, Hyoung-Min
  • Jeong, Dae-Jung
  • Lee, Byoung-Phil
  • Cho, Sung-Kon
  • Kang, Sang-Hyeon
  • Yun, Sung-Han
  • Eom, Ju-Hyuk
  • Kang, Dae-Sik
  • Lee, Jung-Hun

Abstract

Provided is a water purifier comprising: a filter unit filtering water supplied from a water source, including a reverse osmosis filter; a discharge unit discharging water filtered by the filter unit externally; a flushing portion connected to the reverse osmosis filter; and a controller configured to flow water filtered by the reverse osmosis filter to the flushing portion, and to flush the reverse osmosis filter.

IPC Classes  ?

  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • C02F 1/00 - Treatment of water, waste water, or sewage
  • B01D 61/12 - Controlling or regulating
  • B01D 61/08 - Apparatus therefor
  • B01D 61/10 - AccessoriesAuxiliary operations
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 37/04 - Controlling the filtration
  • B01D 65/02 - Membrane cleaning or sterilisation

3.

Water discharge device

      
Application Number 16607288
Grant Number 11370647
Status In Force
Filing Date 2018-04-17
First Publication Date 2020-12-10
Grant Date 2022-06-28
Owner Coway Co., Ltd (USA)
Inventor
  • Lee, Jong-Hwan
  • Park, Chan-Jung
  • Jung, Woong
  • Kim, Hyun-Goo

Abstract

A water discharge device is disclosed. A water discharge device according to an embodiment of the present invention may comprise: a main body unit including a first main body and a second main body movably connected to the first main body; and a discharge unit connected to the second main body so as to be moved with the second main body, and connected to a water source so as to discharge water in the water source to the outside, wherein the discharge unit comprises a plurality of link members having flow channels through which water flows, respectively, and rotatably connected to each other so as to connect the flow channels in a sealed manner.

IPC Classes  ?

  • B67D 1/00 - Apparatus or devices for dispensing beverages on draught
  • B01D 35/04 - Plug, tap, or cock filters

4.

Ice storage

      
Application Number 16305662
Grant Number 10982894
Status In Force
Filing Date 2017-06-01
First Publication Date 2020-09-03
Grant Date 2021-04-20
Owner Coway Co., Ltd (USA)
Inventor
  • Hong, Young-Hoon
  • Lee, Jung-Hwan
  • Moon, Hyun-Seok
  • Kim, Kyu-Jun
  • Lee, Gyeong-Min
  • Kim, Jong-Min
  • Kim, Han-Soo
  • Oh, Dong-Min

Abstract

An ice storage includes a storage body having a storage space for storing ice and a discharge port for discharging ice to the outside, a transferring and breaking part which, by having at least a part thereof provided in the storage space, transfers the ice in the storage space to the discharge port, and if necessary, breaks the transferred ice, and a door part allowing the ice to be discharged through the discharge port as unbroken ice or broken ice unbroken or broken up by the transferring and breaking part. The transferring and breaking part includes a transferring member for transferring ice and a breaking member for breaking ice, and the transferring member and the breaking member are configured such that ice is not stuck therebetween while being transferred.

IPC Classes  ?

5.

Icemaker

      
Application Number 16331347
Grant Number 10955180
Status In Force
Filing Date 2017-09-08
First Publication Date 2019-11-28
Grant Date 2021-03-23
Owner Coway Co., Ltd (USA)
Inventor
  • Sim, Sang-Gu
  • Park, Myung-Jin
  • Park, Jung-Chul
  • Lee, Hyun-Woo
  • Kim, Sung-Jin
  • Choi, In-Du

Abstract

An icemaker according to present invention may comprise: a device body having an inflow penetration portion and a discharge penetration portion formed therein; a flow portion having an inflow opening and a discharge opening provided to penetrate the inflow penetration portion and the discharge penetration directly or indirectly, respectively, and having a flow space formed therein so as to connect with the inflow opening and the discharge opening; a cooling portion configured such that a refrigerant flows to at least a part of the periphery of the flow portion, thereby cooling water, which is introduced into the flow space through the inflow opening and flows therein, and turning the same into ice or cold water; and a separating/transferring portion for separating the ice, which has been generated in the flow space, from the flow space and transferring the same to the discharge opening.

IPC Classes  ?

  • F25C 1/10 - Producing ice by using rotating or otherwise moving moulds
  • F25C 1/147 - Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies by using augers
  • F25C 5/04 - Apparatus for disintegrating, removing or harvesting ice without the use of saws
  • F25C 5/18 - Storing ice

6.

Water purifier and flow rate control method therefor

      
Application Number 16468529
Grant Number 11285415
Status In Force
Filing Date 2017-11-29
First Publication Date 2019-10-31
Grant Date 2022-03-29
Owner Coway Co., Ltd (USA)
Inventor
  • Kang, Dae-Sik
  • Lee, Byoung-Phil
  • Moon, Hyoung-Min
  • Kang, Sang-Hyeon
  • Lee, Dong-Hun

Abstract

A water purifier according to an embodiment of the present invention comprises: a filtering unit for producing purified water by filtering influent water; a TDS measuring unit for measuring the total dissolved solids (TDS) in the water flowing into the filtering unit; a purified water passage through which the purified water is discharged; a concentrated water passage through which concentrated water, filtered by the filtering unit, is discharged; a concentrated water flow control valve for controlling the flow rate of the concentrated water discharged through the concentrated water passage; and a control unit for adjusting the degree of opening and closing of the concentrated water control valve, on the basis of the TDS and the pressure of the water flowing into the filtering unit.

IPC Classes  ?

  • B01D 35/147 - Bypass or safety valves
  • B01D 35/157 - Flow control valvesDamping or calibrated passages
  • B01D 37/04 - Controlling the filtration
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate

7.

Water purifier

      
Application Number 16317194
Grant Number 10874986
Status In Force
Filing Date 2017-07-04
First Publication Date 2019-10-03
Grant Date 2020-12-29
Owner Coway Co., Ltd (USA)
Inventor
  • Kim, Jae-Hoon
  • Lee, Young-Jae
  • Park, Su-Yong
  • Lee, Sang-Kyun
  • Lee, Jung-Hun
  • Lee, Hyun-Woo
  • Eom, Ju-Hyuk
  • Song, Min-Sub
  • Yun, Sung-Han
  • Kang, Dae-Sik
  • Park, Si-Jun

Abstract

A water purifier comprising: a filter unit comprising at least one filter filtering water to generate purified water; a flow rate sensor measuring a flow rate of the water; a concentrated water channel discharging concentrated water, having been filtered by the filter unit; an extraction unit extracting the purified water; a flow rate control valve controlling a flow rate of purified water; an opening and closing degree measurement unit, measuring a degree of opening and closing of the flow rate control valve; a concentrated water ratio calculation unit, calculating a ratio between purified water and concentrated water, according to the degree of opening and closing of the flow rate control valve; and a controller, using the flow rate of water and the calculated ratio between purified water and concentrated water, to calculate amounts of water used, integrating the calculated amounts of water, and calculating a lifespan (remaining life) of the filter.

IPC Classes  ?

  • B01D 61/12 - Controlling or regulating
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 61/08 - Apparatus therefor
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • B01D 37/04 - Controlling the filtration
  • B01D 35/157 - Flow control valvesDamping or calibrated passages
  • B01D 35/143 - Filter condition indicators

8.

Sterilization water discharge device and water treatment device including same

      
Application Number 16098332
Grant Number 10898837
Status In Force
Filing Date 2017-05-02
First Publication Date 2019-04-25
Grant Date 2021-01-26
Owner Coway Co., Ltd (USA)
Inventor
  • Kim, Jae-Man
  • Choi, In-Du
  • Kang, Woo-Jin
  • Kim, Do-Han
  • Choi, Jin-Woo
  • Ye, Byung-Hyo

Abstract

A sterilization water discharge device is disclosed. A sterilization water discharge device includes: a tray part, which is movably disposed under a discharge member for discharging water and allows sterilization water discharged from the discharge member to be received therein and discharged; and a movement driving part for moving the tray part.

IPC Classes  ?

  • B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
  • B01D 35/16 - Cleaning-out devices
  • C02F 1/00 - Treatment of water, waste water, or sewage
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • B01D 35/14 - Safety devices specially adapted for filtrationDevices for indicating clogging
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 35/04 - Plug, tap, or cock filters
  • B01D 35/157 - Flow control valvesDamping or calibrated passages
  • B01D 35/18 - Heating or cooling the filters
  • B01D 35/147 - Bypass or safety valves
  • B67D 1/07 - Cleaning beverage-dispensing apparatus
  • B01D 61/08 - Apparatus therefor
  • B01D 61/10 - AccessoriesAuxiliary operations
  • C02F 1/46 - Treatment of water, waste water, or sewage by electrochemical methods

9.

Water treatment apparatus

      
Application Number 15745384
Grant Number 10905986
Status In Force
Filing Date 2016-07-05
First Publication Date 2019-04-18
Grant Date 2021-02-02
Owner Coway Co., Ltd (USA)
Inventor
  • Park, Sun-Hyeok
  • Lee, Jung-Hwan
  • Lee, Jong-Hwan
  • Joo, Woo-Jin
  • Shin, Hyun-Soo
  • Lee, Kyung-Heon
  • Lim, Byoung-Hoon
  • Cho, Sung-Kon

Abstract

A water treatment apparatus is provided. The water treatment apparatus includes a filtering unit including a water filter filtering raw water, a sterilizing water generator producing sterilizing water from purified water filtered by at least a portion of the filtering unit, and a discharge member through which the purified water, filtered by the filtering unit, is discharged externally. The sterilizing water produced in the sterilizing water generator sterilizes the discharge member and at least a portion of a flow path connected to the discharge member.

IPC Classes  ?

  • B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
  • B01D 35/157 - Flow control valvesDamping or calibrated passages
  • B01D 35/16 - Cleaning-out devices
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 61/04 - Feed pretreatment
  • B01D 61/10 - AccessoriesAuxiliary operations
  • B01D 65/02 - Membrane cleaning or sterilisation
  • C02F 1/28 - Treatment of water, waste water, or sewage by sorption
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • C02F 1/00 - Treatment of water, waste water, or sewage

10.

Water purifier and control method for water purifier

      
Application Number 16084116
Grant Number 11285441
Status In Force
Filing Date 2017-03-07
First Publication Date 2019-03-21
Grant Date 2022-03-29
Owner Coway Co., Ltd (USA)
Inventor
  • Moon, Hyoung-Min
  • Jeong, Dae-Jung
  • Lee, Byoung-Phil
  • Cho, Sung-Kon
  • Kang, Sang-Hyeon
  • Yun, Sung-Han
  • Eom, Ju-Hyuk
  • Kang, Dae-Sik
  • Lee, Jung-Hun

Abstract

According to one embodiment of the present invention, a control method for a water purifier comprises the steps of: filtering inflowing water so as to generate purified water; extracting the generated purified water; measuring the flow rate of the purified water extracted per unit time; flushing a filter part by using purified water generated in the filter part, when the extraction of the purified water is complete; and draining the flushed water to the outside through a residential water outlet of the filter part, wherein, in the purified water generation step, discharging of residential water generated in the purified water generation step is blocked according to the accumulated flow rate during a one-time extraction of the purified water, calculated on the basis of the flow rate of the purified water.

IPC Classes  ?

  • B01D 61/12 - Controlling or regulating
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 65/02 - Membrane cleaning or sterilisation
  • C02F 1/00 - Treatment of water, waste water, or sewage
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • B01D 61/08 - Apparatus therefor
  • B01D 61/10 - AccessoriesAuxiliary operations
  • B01D 37/04 - Controlling the filtration

11.

Juicer having juice extracting screw assembly

      
Application Number 15710167
Grant Number 10905275
Status In Force
Filing Date 2017-09-20
First Publication Date 2018-01-11
Grant Date 2021-02-02
Owner Coway Co., Ltd. (USA)
Inventor
  • Jeong, Dae Jung
  • Jeong, Eui Seong
  • Seong, Yeon Soo

Abstract

A juicer having a juice extracting screw assembly, in which a housing with a juice extracting screw installed in the housing has a simplified interior structure, thereby reducing the production cost of the juicer and easily dispensing juice and residue separately using respective passages.

IPC Classes  ?

  • B30B 9/14 - Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
  • A47J 19/06 - Juice presses for vegetables
  • B30B 9/12 - Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
  • A47J 19/02 - Citrus fruit squeezersOther fruit juice extracting devices

12.

Beverage extracting device and water purifier including same

      
Application Number 15510481
Grant Number 10973365
Status In Force
Filing Date 2015-08-28
First Publication Date 2017-10-05
Grant Date 2021-04-13
Owner Coway Co., Ltd (USA)
Inventor
  • Jung, Hee-Do
  • Hong, Young-Hoon
  • Song, Min-Sub
  • Choi, Jin-Woo

Abstract

A beverage extracting device is provided that includes an extracting part including an installing space in which a beverage capsule is installed; an opening and closing part connected to the extracting part, for opening or sealing the installing space; a link part connected to at least one from among the extracting part and the opening and closing part; and a perforating part for moving reciprocally according to the movement of the link part so as to perforate the beverage capsule.

IPC Classes  ?

  • A47J 31/40 - Beverage-making apparatus with dispensing means for adding a measured quantity of ingredients, e.g. coffee, water, sugar, cocoa, milk, tea
  • B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
  • A47J 31/36 - Coffee-making apparatus in which hot water is passed through the filter under pressure with hot water under liquid pressure with mechanical pressure-producing means
  • A47J 31/44 - Parts or details of beverage-making apparatus
  • C02F 1/00 - Treatment of water, waste water, or sewage

13.

Water treatment apparatus

      
Application Number 15121301
Grant Number 10946339
Status In Force
Filing Date 2015-02-13
First Publication Date 2017-01-19
Grant Date 2021-03-16
Owner Coway Co., Ltd (USA)
Inventor
  • Kwon, Tae-Seong
  • Lee, Soo-Young
  • Moon, Hyoung-Min
  • Kang, Sang-Hyeon
  • Park, Byung-Kil

Abstract

A water treatment apparatus is disclosed. The water treatment apparatus, according to one embodiment of the present invention, may comprise: a filter unit comprising a reverse osmosis filter for supplying purified water filtered from raw water, and residential water which could not be filtered from raw water; a storage unit connected to the filter unit and comprising a storage member in which purified water is stored, then discharged, and a housing within which the storage member is provided, and through which residential water inflows and outflows; and a flow path changing valve connected to the filter unit and the storage unit, and which allows residential water to outflow from the housing as purified water is stored in the storage member, or allows purified water to be discharged from the storage member as residential water inflows into the housing.

IPC Classes  ?

  • B01D 61/10 - AccessoriesAuxiliary operations
  • B01D 61/02 - Reverse osmosisHyperfiltration
  • B01D 61/12 - Controlling or regulating
  • C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
  • C02F 1/00 - Treatment of water, waste water, or sewage