CN1281378A - 旋转式盘形过滤机 - Google Patents
旋转式盘形过滤机 Download PDFInfo
- Publication number
- CN1281378A CN1281378A CN98812127A CN98812127A CN1281378A CN 1281378 A CN1281378 A CN 1281378A CN 98812127 A CN98812127 A CN 98812127A CN 98812127 A CN98812127 A CN 98812127A CN 1281378 A CN1281378 A CN 1281378A
- Authority
- CN
- China
- Prior art keywords
- filter
- filtration
- support unit
- rotary disc
- secter pat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004744 fabric Substances 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 90
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 230000008859 change Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
Abstract
Description
Claims (7)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE97046320 | 1997-12-12 | ||
SE9704632A SE511246C2 (sv) | 1997-12-12 | 1997-12-12 | Skivfilteranordning |
US8580798P | 1998-05-18 | 1998-05-18 | |
US60/085,807 | 1998-05-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1281378A true CN1281378A (zh) | 2001-01-24 |
CN1163293C CN1163293C (zh) | 2004-08-25 |
Family
ID=26663156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB988121271A Expired - Lifetime CN1163293C (zh) | 1997-12-12 | 1998-12-11 | 旋转式盘形过滤机 |
Country Status (14)
Country | Link |
---|---|
US (1) | US6231761B1 (zh) |
EP (1) | EP1044049B8 (zh) |
JP (1) | JP2002508235A (zh) |
KR (1) | KR100522906B1 (zh) |
CN (1) | CN1163293C (zh) |
AT (1) | ATE340007T1 (zh) |
AU (1) | AU728943B2 (zh) |
CA (1) | CA2313542C (zh) |
DE (1) | DE69835963T2 (zh) |
DK (1) | DK1044049T3 (zh) |
ES (1) | ES2268811T3 (zh) |
PL (1) | PL190923B1 (zh) |
PT (1) | PT1044049E (zh) |
WO (1) | WO1999030797A1 (zh) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100337716C (zh) * | 2003-02-27 | 2007-09-19 | 水技术维奥利亚水系统股份公司 | 旋转盘式过滤器和构造该过滤器的模件 |
CN102008848A (zh) * | 2009-09-07 | 2011-04-13 | 汉斯琥珀欧洲公司 | 应用在过滤装置内的滤扇板以及固定该滤扇板的圆弓 |
CN102015054A (zh) * | 2007-07-18 | 2011-04-13 | 西门子水处理技术公司 | 盘式过滤器的耐受废物的过滤器支撑件 |
CN102266688A (zh) * | 2010-06-07 | 2011-12-07 | 同方环境股份有限公司 | 一种微滤机结构 |
CN101500681B (zh) * | 2006-08-14 | 2012-03-14 | 西门子工业公司 | 高流量盘式过滤器 |
CN102614703A (zh) * | 2011-01-31 | 2012-08-01 | 江苏博思达环保科技有限公司 | 转盘过滤器用盘片 |
CN102844088A (zh) * | 2010-05-07 | 2012-12-26 | A.凯塞汽车系统有限公司 | 过滤装置 |
CN103111114A (zh) * | 2013-02-28 | 2013-05-22 | 无锡市通用机械厂有限公司 | 滤布滤池设备中心排水管结构 |
CN103201004A (zh) * | 2010-09-02 | 2013-07-10 | 威立雅水处理技术支持公司 | 用于制造用于盘式过滤器的盘形过滤器段的方法和装置 |
US8808542B2 (en) | 2007-07-18 | 2014-08-19 | Evoqua Water Technologies Llc | Disc filter |
CN106720200A (zh) * | 2016-12-16 | 2017-05-31 | 重庆市长寿区舒福食品有限公司 | 腌肉滚筒设备 |
CN111151063A (zh) * | 2020-01-06 | 2020-05-15 | 王�华 | 一种转盘式污水处理过滤机 |
US10857491B2 (en) | 2014-06-05 | 2020-12-08 | Evoqua Water Technologies Llc | Filtering panel and method of making the same |
US10888807B2 (en) | 2016-08-12 | 2021-01-12 | Evoqua Water Technologies Llc | Disc filter pre-screen dual media disc filter |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1264627A1 (de) * | 2001-06-08 | 2002-12-11 | Sefar AG | Filtertuch für eine Filtrationsvorrichtung und Verfahren zur Montage eines Filtertuchs |
SE525270C2 (sv) * | 2003-01-23 | 2005-01-18 | Gl & V Sweden Ab | Filtersektor för användning i roterande skivfilter för separering av massasuspensioner. |
US7678235B2 (en) | 2005-10-19 | 2010-03-16 | Sylvan Source, Inc. | Water purification system |
US7314556B2 (en) * | 2003-12-05 | 2008-01-01 | Andritz Inc. | Filter disc with panel sectors |
KR100922722B1 (ko) * | 2004-07-13 | 2009-10-29 | 코오롱워터텍 주식회사 | 오폐수처리용 디스크 드럼필터 |
WO2007103117A2 (en) * | 2006-03-03 | 2007-09-13 | Sylvan Source, Inc. | Contaminant prevention |
KR100780929B1 (ko) * | 2006-06-23 | 2007-11-30 | 미래환경기술(주) | 수로용 디스크 드럼 필터장치 |
EP1872843A1 (en) * | 2006-06-26 | 2008-01-02 | Hydrotech Veolia Water Systems Aktiebolag | A filter frame for use in a disc filter |
JP4645577B2 (ja) * | 2006-11-13 | 2011-03-09 | Jfeエンジニアリング株式会社 | 回転円盤フィルタおよび濾過装置 |
ES2807023T3 (es) * | 2007-02-21 | 2021-02-19 | Veolia Water Solutions & Tech | Dispositivo de limpieza a alta presión |
KR100918041B1 (ko) * | 2007-06-27 | 2009-09-18 | 주식회사 한성환경기연 | 폐수여과 스크린용 디스크 필터 및 그 디스크 필터의제조방법. |
CN101450282B (zh) * | 2007-11-30 | 2011-11-23 | 新世膜科技股份有限公司 | 密闭旋动式滤膜装置 |
SE533036C2 (sv) * | 2008-02-22 | 2010-06-15 | Nordic Water Prod Ab | Filterelement för skivfilter |
US8894856B2 (en) | 2008-03-28 | 2014-11-25 | Evoqua Water Technologies Llc | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
US8623213B2 (en) | 2008-03-28 | 2014-01-07 | Siemens Water Technologies Llc | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods |
KR100916320B1 (ko) | 2009-03-25 | 2009-09-11 | 주식회사 유천엔바이로 | 여과기의 필터 고정장치 |
JP5507908B2 (ja) * | 2009-07-07 | 2014-05-28 | 三菱化工機株式会社 | 回転濾板式濾過機 |
CN102039067B (zh) * | 2009-10-18 | 2012-09-26 | 北京晶霖伟业分离装备技术有限公司 | 重力式自由落差过滤机 |
IT1396252B1 (it) * | 2009-10-20 | 2012-11-16 | Viggiano | Struttura di disco per filtro rotativo a dischi |
US9359236B2 (en) | 2010-08-18 | 2016-06-07 | Evoqua Water Technologies Llc | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
US10131550B2 (en) | 2013-05-06 | 2018-11-20 | Evoqua Water Technologies Llc | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
FR3015305B1 (fr) | 2013-12-23 | 2017-03-24 | Etablissements Faivre | Filtre pour liquide en ecoulement libre |
USD744707S1 (en) * | 2014-01-27 | 2015-12-01 | GL&V Luxembourg S.à.r.l. | Lower cone of a hydrocyclone cleaner |
US9551306B2 (en) * | 2014-07-09 | 2017-01-24 | Caterpillar Inc. | Air filtration element |
KR101718338B1 (ko) * | 2016-12-23 | 2017-03-21 | 주식회사 유천엔바이로 | 디스크형 여과장치의 필터모듈 고정장치 |
SE1750701A1 (sv) | 2017-06-02 | 2018-10-23 | Nordic Water Prod Ab | Filter element for use in a filter disc |
US11000791B2 (en) | 2019-03-06 | 2021-05-11 | Veolia Water Solutions & Technologies Support | Rotary disc filter having backwash guides |
DE102020117493A1 (de) | 2020-07-02 | 2022-01-05 | Huber Se | Rotationsscheibenfilter |
US11738293B2 (en) * | 2020-07-09 | 2023-08-29 | Albert Patterson | Fluid filtering apparatus and method |
CN116651083B (zh) * | 2023-08-01 | 2023-10-03 | 福建省永春金春酿造有限公司 | 一种沉清过滤设备 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964194A (en) * | 1957-04-17 | 1960-12-13 | Dorr Oliver Inc | Filter construction |
US3363770A (en) * | 1964-10-05 | 1968-01-16 | Mero & Company Inc | Filter apparatus |
US3369668A (en) * | 1965-04-09 | 1968-02-20 | Mero & Company Inc | Filter medium |
US3491886A (en) * | 1966-11-30 | 1970-01-27 | John C Settle Inc | Sector for disc filter apparatus |
US3643803A (en) * | 1970-01-19 | 1972-02-22 | Gladys M Glos | Section for disc filter apparatus |
CA1219530A (en) * | 1982-12-22 | 1987-03-24 | Rune H. Frykhult | Rotatable filter assembly |
US5296143A (en) * | 1990-02-16 | 1994-03-22 | Ingenjorsfirman R. Frykhult Ab | Apparatus for filtering liquids |
WO1991012063A1 (en) * | 1990-02-16 | 1991-08-22 | Ingenjörsfirman R. Frykhult Ab | An apparatus for filtering suspensions and a method of operating the apparatus |
SE465857B (sv) | 1990-02-16 | 1991-11-11 | Celleco Hedemora Ab | Skivfilter |
SE9001807L (sv) * | 1990-05-18 | 1991-11-11 | Celleco Hedemora Ab | Anordning vid silduk foer roterande filter |
SE464967B (sv) * | 1990-10-23 | 1991-07-08 | Tamfelt Oy Ab | Filterpaase foer maskinsikt |
SE501367C2 (sv) * | 1993-02-18 | 1995-01-23 | Celleco Hedemora Ab | Anordning för filtrering av vätskor |
SE506744C2 (sv) * | 1996-03-22 | 1998-02-09 | Alfa Laval Ab | Filterenhet för roterande skivfilter och förfarande för dess framställning |
-
1998
- 1998-12-11 AU AU18978/99A patent/AU728943B2/en not_active Expired
- 1998-12-11 KR KR10-2000-7006419A patent/KR100522906B1/ko not_active IP Right Cessation
- 1998-12-11 AT AT98963708T patent/ATE340007T1/de active
- 1998-12-11 WO PCT/SE1998/002294 patent/WO1999030797A1/en active IP Right Grant
- 1998-12-11 PL PL341067A patent/PL190923B1/pl unknown
- 1998-12-11 ES ES98963708T patent/ES2268811T3/es not_active Expired - Lifetime
- 1998-12-11 CN CNB988121271A patent/CN1163293C/zh not_active Expired - Lifetime
- 1998-12-11 DE DE69835963T patent/DE69835963T2/de not_active Expired - Lifetime
- 1998-12-11 JP JP2000538769A patent/JP2002508235A/ja active Pending
- 1998-12-11 EP EP98963708A patent/EP1044049B8/en not_active Expired - Lifetime
- 1998-12-11 DK DK98963708T patent/DK1044049T3/da active
- 1998-12-11 PT PT98963708T patent/PT1044049E/pt unknown
- 1998-12-11 CA CA002313542A patent/CA2313542C/en not_active Expired - Lifetime
-
2000
- 2000-06-09 US US09/590,683 patent/US6231761B1/en not_active Expired - Lifetime
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100337716C (zh) * | 2003-02-27 | 2007-09-19 | 水技术维奥利亚水系统股份公司 | 旋转盘式过滤器和构造该过滤器的模件 |
US10207210B2 (en) | 2006-08-14 | 2019-02-19 | Evoqua Water Technologies Llc | High flow disc filter |
CN101500681B (zh) * | 2006-08-14 | 2012-03-14 | 西门子工业公司 | 高流量盘式过滤器 |
CN102527134A (zh) * | 2006-08-14 | 2012-07-04 | 西门子工业公司 | 高流量盘式过滤器 |
US9028692B2 (en) | 2006-08-14 | 2015-05-12 | Evoqua Water Technologies Llc | High flow disc filter |
CN102527134B (zh) * | 2006-08-14 | 2014-12-10 | 伊沃夸水处理技术有限责任公司 | 高流量盘式过滤器 |
CN102015054B (zh) * | 2007-07-18 | 2014-11-12 | 伊沃夸水处理技术有限责任公司 | 盘式过滤器的耐受废物的过滤器支撑件 |
CN102015054A (zh) * | 2007-07-18 | 2011-04-13 | 西门子水处理技术公司 | 盘式过滤器的耐受废物的过滤器支撑件 |
US9339745B2 (en) | 2007-07-18 | 2016-05-17 | Evoqua Water Technologies Llc | Trash tolerant filter support for a disc filter |
US9023208B2 (en) | 2007-07-18 | 2015-05-05 | Evoqua Water Technologies Llc | Disc filter |
US8801929B2 (en) | 2007-07-18 | 2014-08-12 | Evoqua Water Technologies Llc | Trash tolerant filter support for a disc filter |
US8808542B2 (en) | 2007-07-18 | 2014-08-19 | Evoqua Water Technologies Llc | Disc filter |
CN102008848B (zh) * | 2009-09-07 | 2015-11-25 | 汉斯琥珀欧洲公司 | 应用在过滤装置内的滤扇板以及固定该滤扇板的圆弓 |
CN102008848A (zh) * | 2009-09-07 | 2011-04-13 | 汉斯琥珀欧洲公司 | 应用在过滤装置内的滤扇板以及固定该滤扇板的圆弓 |
CN102844088A (zh) * | 2010-05-07 | 2012-12-26 | A.凯塞汽车系统有限公司 | 过滤装置 |
CN102844088B (zh) * | 2010-05-07 | 2015-01-21 | A.凯塞汽车系统有限公司 | 过滤装置 |
CN102266688A (zh) * | 2010-06-07 | 2011-12-07 | 同方环境股份有限公司 | 一种微滤机结构 |
CN103201004A (zh) * | 2010-09-02 | 2013-07-10 | 威立雅水处理技术支持公司 | 用于制造用于盘式过滤器的盘形过滤器段的方法和装置 |
CN102614703A (zh) * | 2011-01-31 | 2012-08-01 | 江苏博思达环保科技有限公司 | 转盘过滤器用盘片 |
CN103111114B (zh) * | 2013-02-28 | 2015-08-05 | 无锡市通用机械厂有限公司 | 滤布滤池设备中心排水管结构 |
CN103111114A (zh) * | 2013-02-28 | 2013-05-22 | 无锡市通用机械厂有限公司 | 滤布滤池设备中心排水管结构 |
US10857491B2 (en) | 2014-06-05 | 2020-12-08 | Evoqua Water Technologies Llc | Filtering panel and method of making the same |
US11660552B2 (en) | 2014-06-05 | 2023-05-30 | Evoqua Water Technologies Llc | Filtering panel and method of making the same |
US10888807B2 (en) | 2016-08-12 | 2021-01-12 | Evoqua Water Technologies Llc | Disc filter pre-screen dual media disc filter |
CN106720200A (zh) * | 2016-12-16 | 2017-05-31 | 重庆市长寿区舒福食品有限公司 | 腌肉滚筒设备 |
CN106720200B (zh) * | 2016-12-16 | 2020-08-25 | 重庆市长寿区舒福食品有限公司 | 腌肉滚筒设备 |
CN111151063A (zh) * | 2020-01-06 | 2020-05-15 | 王�华 | 一种转盘式污水处理过滤机 |
Also Published As
Publication number | Publication date |
---|---|
PL341067A1 (en) | 2001-03-26 |
AU1897899A (en) | 1999-07-05 |
CA2313542A1 (en) | 1999-06-24 |
DK1044049T3 (da) | 2006-11-27 |
JP2002508235A (ja) | 2002-03-19 |
AU728943B2 (en) | 2001-01-18 |
PT1044049E (pt) | 2006-11-30 |
EP1044049B8 (en) | 2006-11-15 |
KR100522906B1 (ko) | 2005-10-25 |
EP1044049A1 (en) | 2000-10-18 |
DE69835963D1 (de) | 2006-11-02 |
EP1044049B1 (en) | 2006-09-20 |
ATE340007T1 (de) | 2006-10-15 |
DE69835963T2 (de) | 2007-03-01 |
KR20010052119A (ko) | 2001-06-25 |
CN1163293C (zh) | 2004-08-25 |
ES2268811T3 (es) | 2007-03-16 |
WO1999030797A1 (en) | 1999-06-24 |
CA2313542C (en) | 2009-11-24 |
PL190923B1 (pl) | 2006-02-28 |
US6231761B1 (en) | 2001-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1163293C (zh) | 旋转式盘形过滤机 | |
US5308485A (en) | Integrated collar, filter bag, cage and locking ring assembly for baghouses | |
US5637213A (en) | Immersible filter drum unit and method for assembling thereof | |
US20150190740A1 (en) | Rotary disc filter and module for constructing same | |
CA2478316C (en) | Filter apparatus | |
KR101462631B1 (ko) | 고 유동 디스크 필터 | |
US6186340B1 (en) | Cylindrical drum filter having two parallel circular circumferentially spaced support rods | |
CN1076208C (zh) | 过滤器和过滤器网篮固定装置 | |
US4216093A (en) | Fabricated disc filter core with pipe having a maximized internal cross-sectional area | |
US4710294A (en) | Rotary disk filter element | |
CA1117438A (en) | Rotary disc vacuum filter with detachable filtrate conduits | |
KR20020063332A (ko) | 폐수처리용 여과장치 | |
US2709525A (en) | Retaining plate and screen assembly for clarifiers | |
US6712964B2 (en) | Method of fastening filter media to flat circular support structure | |
KR102471173B1 (ko) | 드럼스크린 메시망 장력 조절장치 | |
KR100638355B1 (ko) | 로터리형 드럼필터 및 그 제조방법 | |
KR200171639Y1 (ko) | 와이어 컷팅 머신의 필터 하우징 구조 | |
CN116293025B (zh) | 一种含有过滤结构的阀门 | |
CN219378178U (zh) | 一种石英石清洗水循环机构 | |
CN217773408U (zh) | 一种涂装线反冲清洗结构过滤罐 | |
CN214513200U (zh) | 一种便于清理的复合型滤芯 | |
RU45641U1 (ru) | Рукавный фильтр | |
RU2290983C2 (ru) | Рукавный фильтр | |
ITPS20090020A1 (it) | Struttura di disco per filtro rotativo a dischi | |
CN2093193U (zh) | 旋翼过滤除砂纸浆回收机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: WATER TECHNOLOGIES SHARES WEIAOLIYA WATER SYSTEM C Free format text: FORMER NAME OR ADDRESS: HYDROTECH NILS-AOK PERSSON AG |
|
CP01 | Change in the name or title of a patent holder |
Address after: Sweden, Ecuador Patentee after: Hydrotech Veolia Water Systems Address before: Sweden, Ecuador Patentee before: Water Technology Neilson Ocpersson Stock Company |
|
ASS | Succession or assignment of patent right |
Owner name: KRUEGER OFF SHORE AS Free format text: FORMER OWNER: HYDROTECH VEOLIA WATER SYSTEMS Effective date: 20110505 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: VELLINGE, SWEDEN TO: SAINT-MAURICE, FRANCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110505 Address after: French Maurice Patentee after: Veolia Water Solutions and Technical Support Co., Ltd. Address before: Sweden, Ecuador Patentee before: Hydrotech Veolia Water Systems |
|
CX01 | Expiry of patent term |
Granted publication date: 20040825 |
|
CX01 | Expiry of patent term |