EP1981611A4 - LEADING DUST FOR AIR CLEANERS WITH ACTIVE FIELD-POLARIZED MEDIA - Google Patents

LEADING DUST FOR AIR CLEANERS WITH ACTIVE FIELD-POLARIZED MEDIA

Info

Publication number
EP1981611A4
EP1981611A4 EP06840366A EP06840366A EP1981611A4 EP 1981611 A4 EP1981611 A4 EP 1981611A4 EP 06840366 A EP06840366 A EP 06840366A EP 06840366 A EP06840366 A EP 06840366A EP 1981611 A4 EP1981611 A4 EP 1981611A4
Authority
EP
European Patent Office
Prior art keywords
air cleaner
active field
media air
conductive bead
field polarized
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.)
Withdrawn
Application number
EP06840366A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1981611A2 (en
Inventor
Forwood Wiser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Environmental Management Confederation Inc
Original Assignee
Environmental Management Confederation Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Environmental Management Confederation Inc filed Critical Environmental Management Confederation Inc
Publication of EP1981611A2 publication Critical patent/EP1981611A2/en
Publication of EP1981611A4 publication Critical patent/EP1981611A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/10Filter screens essentially made of metal
    • B01D39/12Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28Plant or installations without electricity supply, e.g. using electrets
    • B03C3/30Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0241Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Electrostatic Separation (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Laminated Bodies (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Ventilation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
EP06840366A 2005-12-29 2006-12-29 LEADING DUST FOR AIR CLEANERS WITH ACTIVE FIELD-POLARIZED MEDIA Withdrawn EP1981611A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75477105P 2005-12-29 2005-12-29
US75480505P 2005-12-29 2005-12-29
PCT/US2006/062765 WO2007076553A2 (en) 2005-12-29 2006-12-29 Conductive bead for active field polarized media air cleaner

Publications (2)

Publication Number Publication Date
EP1981611A2 EP1981611A2 (en) 2008-10-22
EP1981611A4 true EP1981611A4 (en) 2012-04-25

Family

ID=38218897

Family Applications (3)

Application Number Title Priority Date Filing Date
EP06840366A Withdrawn EP1981611A4 (en) 2005-12-29 2006-12-29 LEADING DUST FOR AIR CLEANERS WITH ACTIVE FIELD-POLARIZED MEDIA
EP06846879.2A Active EP1993735B1 (en) 2005-12-29 2006-12-29 Improved active field polarized media air cleaner
EP06840365.8A Active EP1981610B1 (en) 2005-12-29 2006-12-29 Improved filter media for active field polarized media air cleaner

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP06846879.2A Active EP1993735B1 (en) 2005-12-29 2006-12-29 Improved active field polarized media air cleaner
EP06840365.8A Active EP1981610B1 (en) 2005-12-29 2006-12-29 Improved filter media for active field polarized media air cleaner

Country Status (14)

Country Link
EP (3) EP1981611A4 (zh)
JP (5) JP2009522498A (zh)
KR (11) KR101332174B1 (zh)
CN (4) CN101365541A (zh)
AU (5) AU2006330440B2 (zh)
CA (5) CA2903750C (zh)
DK (2) DK1981610T3 (zh)
ES (2) ES2555660T3 (zh)
GB (1) GB2446763B (zh)
HK (2) HK1126711A1 (zh)
MX (4) MX2008008463A (zh)
RU (3) RU2418636C2 (zh)
SG (4) SG175662A1 (zh)
WO (4) WO2007076554A2 (zh)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2786867C (en) * 2010-01-18 2022-01-04 3M Innovative Properties Company Air filter with sorbent particles
CA2704384A1 (en) 2010-05-17 2011-11-17 Jeff Chesebrough Electronic air filter
CN102489404B (zh) * 2011-12-13 2015-01-14 冯耀忠 驻极式聚丙烯热塑棒静电除尘过滤器
WO2014082213A1 (en) * 2012-11-28 2014-06-05 Esd Technology Consulting & Licensing Co.,Ltd Moist air controller and system for static charge reduction
JP2014113532A (ja) * 2012-12-07 2014-06-26 Nitto Denko Corp フィルタ濾材およびフィルタ濾材の製造方法
JP2014198312A (ja) * 2013-03-29 2014-10-23 日東電工株式会社 フィルタ濾材及びフィルタ濾材の製造方法
CN105665135B (zh) * 2014-11-18 2019-01-08 华为技术有限公司 除尘装置
SG11201704109PA (en) * 2014-11-20 2017-06-29 Env Man Confederation Inc High voltage connection for sparse material
SG11201708373WA (en) * 2015-04-14 2017-11-29 Environmental Man Confederation Inc Corrugated filtration media for polarizing air cleaner
CN107149981B (zh) * 2016-03-02 2019-02-22 北京纳米能源与系统研究所 一种运动型摩擦电气体除尘装置、除尘系统和除尘方法
KR102087722B1 (ko) * 2017-09-14 2020-04-24 한국기계연구원 미세먼지 제거용 필터 모듈 및 이를 포함하는 미세먼지 제거용 공기청정 시스템
CN109967256A (zh) * 2017-12-27 2019-07-05 宁波方太厨具有限公司 一种微颗粒收集装置
AU2019314565A1 (en) * 2018-08-03 2021-03-18 Environmental Management Confederation, Inc. Scrimless and/or aramid filter media
KR102127839B1 (ko) * 2018-11-01 2020-06-29 엘지전자 주식회사 집진 필터
US11266939B2 (en) 2018-12-11 2022-03-08 Johnson Controls Technology Company Adjustable filter assemblies for HVAC systems
CN110227309A (zh) * 2019-05-17 2019-09-13 美埃(中国)环境净化有限公司 一种滤芯可替换的v型空气过滤器
WO2021055246A1 (en) * 2019-09-20 2021-03-25 Cummins Filtration Ip, Inc. Filter element with self-contained electrostatic buildup protection
KR102370630B1 (ko) 2019-11-18 2022-03-04 엘지전자 주식회사 공기정화용 필터 및 이를 포함하는 공기정화기
KR20220007358A (ko) * 2020-07-10 2022-01-18 엘지전자 주식회사 집진 필터 및 집진 필터 제조방법
KR102460656B1 (ko) * 2021-08-02 2022-10-28 (주)아하 다수의 격자형 방전 구조를 갖는 플라즈마 발생 장치 및 이를 이용한 공기 정화 장치
KR102651865B1 (ko) * 2023-10-10 2024-03-26 장인성 필터 가스켓

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357150A (en) * 1980-06-05 1982-11-02 Midori Anzen Co., Ltd. High-efficiency electrostatic air filter device
DE3339828A1 (de) * 1983-11-01 1985-05-09 Delbag-Luftfilter Gmbh, 1000 Berlin Elektrostatisch unterstuetztes aus fasermaterial bestehendes filterelement zur abscheidung von partikeln aus gasfoermigen medien
GB2160447A (en) * 1984-06-22 1985-12-24 Midori Anzen Kogyo Electrostatic filter dust collector
US6514324B1 (en) * 2001-08-10 2003-02-04 Rick L. Chapman High efficiency active electrostatic air filter and method of manufacture
WO2004028698A2 (en) * 2001-04-04 2004-04-08 Joannou Constantinos J Self ionizing pleated air filter system

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471695A (en) * 1967-05-22 1969-10-07 Xerox Corp Corona charging apparatus with means to urge a flow of aeriform fluid across the corona wires
JPS5431411Y2 (zh) * 1974-08-20 1979-10-01
US4248162A (en) * 1979-07-26 1981-02-03 Spellman High Voltage Electronics Corporation Table with electrostatic air purifier/cleaner
CA1175754A (en) 1983-01-04 1984-10-09 Constantinos J. Joannou Electronic air filter
JPS6084168A (ja) * 1983-06-03 1985-05-13 Kiyuubitsuku Eng:Kk 集塵装置
DE3320299A1 (de) * 1983-06-04 1984-12-06 Drägerwerk AG, 2400 Lübeck Elektrostatisches schwebstoffilter
JPS59230650A (ja) * 1983-06-14 1984-12-25 Kiyuubitsuku Eng:Kk 集塵装置
JPS60172362A (ja) * 1984-02-18 1985-09-05 Senichi Masuda 静電式濾過集塵装置
CA1272453A (en) * 1985-11-13 1990-08-07 Constantinos J. Joannou Electronic air filter
CA1291520C (en) * 1987-04-22 1991-10-29 Constantinos J. Joannou Electronic air filtration system
JPS6456848U (zh) * 1987-09-30 1989-04-10
CA1319624C (en) * 1988-03-11 1993-06-29 William E. Pick Pleated charged media air filter
CN2031307U (zh) * 1988-05-27 1989-01-25 北京空气离子研究应用中心 高效静电纤维层过滤器
US4889542A (en) * 1988-11-14 1989-12-26 Hayes William J Computer air filter device and method
US5223006A (en) * 1989-10-31 1993-06-29 Moran Iii Charles H Air cleaner box for a computer
US5059218A (en) * 1989-11-28 1991-10-22 William Pick Construction for supporting a flexible sheet
JP3162753B2 (ja) * 1991-09-18 2001-05-08 豊田紡織株式会社 エアクリーナ用エレメント
JPH0593524A (ja) * 1991-10-03 1993-04-16 Brother Ind Ltd 冷風扇
JPH06410A (ja) * 1992-02-12 1994-01-11 Takeda Chem Ind Ltd ガス処理装置
US5330559A (en) * 1992-08-11 1994-07-19 United Air Specialists, Inc. Method and apparatus for electrostatically cleaning particulates from air
GB9217666D0 (en) * 1992-08-20 1992-09-30 Filter Design Technology Air filter
US5549735C1 (en) * 1994-06-09 2001-08-14 Coppom Technologies Electrostatic fibrous filter
US5573577A (en) * 1995-01-17 1996-11-12 Joannou; Constantinos J. Ionizing and polarizing electronic air filter
SE515908C2 (sv) * 1995-02-08 2001-10-29 Purocell Sa Anordning vid elektrostatfilter
JP3705860B2 (ja) * 1995-03-30 2005-10-12 ミドリ安全株式会社 静電式濾過集塵装置用フィルターとその製法
JPH0910628A (ja) * 1995-06-30 1997-01-14 Kankyo:Kk 空気清浄装置
US5792242A (en) * 1996-02-26 1998-08-11 Minnesota Mining And Manufacturing Co. Electrostatic fibrous filter web
US5858045A (en) * 1996-11-27 1999-01-12 Air Kontrol, Inc. Multiple layer air filter media
US5730770A (en) * 1997-01-17 1998-03-24 Seh America, Inc. Two-stage air filter for use with electronic enclosures
GB2329598B (en) * 1997-09-25 2001-04-18 Racal Health & Safety Ltd Filters
EP1028794A1 (en) * 1997-09-29 2000-08-23 Donaldson Company, Inc. Filter material construction and method
US5942017A (en) * 1998-03-23 1999-08-24 Van Winkle, Sr.; Frank A. Electronic equipment air conditioner and purifier
DE69804361T2 (de) * 1998-05-13 2002-10-10 Texel Inc Reibungselektrischer luftfilter
SE512357C2 (sv) * 1998-07-23 2000-03-06 Freshman Ab Luftreningsfilter samt förfarande för dess tillverkning
AU5322500A (en) * 1999-06-03 2000-12-28 Donaldson Company Inc. Multistage air cleaner including pulse cleaning system
US6294004B1 (en) * 1999-12-21 2001-09-25 Engineering Dynamics Ltd. Structures for electrostatic V-bank air filters
US6570470B2 (en) * 2000-06-30 2003-05-27 Kyocera Corporation Surface acoustic wave ladder filter utilizing parallel resonators with different resonant frequencies
CN1126605C (zh) * 2000-09-02 2003-11-05 四川长虹电器股份有限公司 电子集尘器
EP1197252A1 (en) * 2000-10-13 2002-04-17 3M Innovative Properties Company Electrostatic fibrous filter web and method of making same
US6764533B2 (en) 2001-10-30 2004-07-20 Joseph A. Liobiondo, Sr. Electronic air filter assembly
US6723150B2 (en) * 2002-02-28 2004-04-20 American Standard International Inc. Air filter with expandable filter media
JP3693617B2 (ja) * 2002-03-22 2005-09-07 株式会社デンソー フィルタ
US7150780B2 (en) * 2004-01-08 2006-12-19 Kronos Advanced Technology, Inc. Electrostatic air cleaning device
CN101306278B (zh) * 2002-09-16 2011-08-17 特里奥辛控股有限公司 面具和过滤封闭物的组合
KR20040063390A (ko) * 2003-01-07 2004-07-14 엘지전자 주식회사 가열 방전극을 가지는 플라즈마 공기 정화장치
US6902603B2 (en) * 2003-01-27 2005-06-07 Engineering Dynamics Ltd. Integrated air filtration unit
US20040159239A1 (en) 2003-02-14 2004-08-19 Nagem Daniel A. Multi-phase HVAC filtration system
KR200318828Y1 (ko) * 2003-03-27 2003-07-04 이재덕 공기청정기의 광촉매 에어필터
JP3852429B2 (ja) * 2003-08-06 2006-11-29 株式会社日立製作所 空気清浄機
US20050108996A1 (en) * 2003-11-26 2005-05-26 Latham Steven R. Filter system for an electronic equipment enclosure
JP2005320926A (ja) * 2004-05-11 2005-11-17 Katsuhiko Ikemoto 内燃機関の空気濾過清浄器
US7459002B2 (en) * 2004-08-31 2008-12-02 Airistar Technologies Llc Modular presentation apparatus having integral air processing apparatus
US7445654B2 (en) * 2004-09-27 2008-11-04 Spectra Logic Corporation Method and apparatus for adsorbing molecules from an atmosphere inside an enclosure containing multiple data storage devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357150A (en) * 1980-06-05 1982-11-02 Midori Anzen Co., Ltd. High-efficiency electrostatic air filter device
DE3339828A1 (de) * 1983-11-01 1985-05-09 Delbag-Luftfilter Gmbh, 1000 Berlin Elektrostatisch unterstuetztes aus fasermaterial bestehendes filterelement zur abscheidung von partikeln aus gasfoermigen medien
GB2160447A (en) * 1984-06-22 1985-12-24 Midori Anzen Kogyo Electrostatic filter dust collector
WO2004028698A2 (en) * 2001-04-04 2004-04-08 Joannou Constantinos J Self ionizing pleated air filter system
US6514324B1 (en) * 2001-08-10 2003-02-04 Rick L. Chapman High efficiency active electrostatic air filter and method of manufacture

Also Published As

Publication number Publication date
GB2446763B (en) 2011-07-27
AU2006330439A1 (en) 2007-07-05
KR20140012775A (ko) 2014-02-03
WO2007076553A2 (en) 2007-07-05
JP2012101223A (ja) 2012-05-31
SG170791A1 (en) 2011-05-30
WO2007076552A2 (en) 2007-07-05
SG175662A1 (en) 2011-11-28
KR20080109723A (ko) 2008-12-17
AU2006330439B2 (en) 2011-06-23
ES2555660T3 (es) 2016-01-07
KR20170132336A (ko) 2017-12-01
CA2635804A1 (en) 2007-07-05
SG10201500658QA (en) 2015-03-30
JP2009522499A (ja) 2009-06-11
JP5529821B2 (ja) 2014-06-25
AU2006330438A1 (en) 2007-07-05
KR101332174B1 (ko) 2013-11-25
KR20100076041A (ko) 2010-07-05
EP1981610A4 (en) 2012-04-25
KR20100082025A (ko) 2010-07-15
KR101094413B1 (ko) 2011-12-15
KR101942836B1 (ko) 2019-01-29
KR100987984B1 (ko) 2010-10-18
KR20160079915A (ko) 2016-07-06
JP2009522498A (ja) 2009-06-11
WO2007076553B1 (en) 2008-02-14
EP1993735A4 (en) 2012-02-22
KR20190008437A (ko) 2019-01-23
RU2008131287A (ru) 2010-02-10
EP1993735B1 (en) 2015-10-28
CN101336126B (zh) 2012-04-25
RU2008131284A (ru) 2010-02-10
AU2006330440A1 (en) 2007-07-05
CA2903750A1 (en) 2007-07-05
CN102500166A (zh) 2012-06-20
KR20090007683A (ko) 2009-01-20
HK1126711A1 (en) 2009-09-11
JP2012050982A (ja) 2012-03-15
KR20120120465A (ko) 2012-11-01
RU2386469C1 (ru) 2010-04-20
KR101434851B1 (ko) 2014-09-02
WO2007076551A2 (en) 2007-07-05
AU2011203544B2 (en) 2013-11-07
GB2446763A (en) 2008-08-20
CN101365541A (zh) 2009-02-11
EP1981610A2 (en) 2008-10-22
RU2008131285A (ru) 2010-02-10
CA2903750C (en) 2017-09-12
CA2635648C (en) 2015-06-23
MX2008008464A (es) 2009-03-09
KR20080109724A (ko) 2008-12-17
CA2635729A1 (en) 2007-07-05
WO2007076551A3 (en) 2007-11-22
CN102500166B (zh) 2015-08-19
CA2635804C (en) 2013-11-19
CN101336126A (zh) 2008-12-31
HK1127500A1 (en) 2009-09-25
CA2635630A1 (en) 2007-07-05
CA2635729C (en) 2014-03-25
RU2396127C2 (ru) 2010-08-10
SG10201404051PA (en) 2014-09-26
CA2635630C (en) 2015-09-15
EP1981610B1 (en) 2015-04-01
WO2007076554A2 (en) 2007-07-05
CA2635648A1 (en) 2007-07-05
MX2008008463A (es) 2009-03-09
EP1993735A2 (en) 2008-11-26
AU2011203544A1 (en) 2011-08-04
KR20120123150A (ko) 2012-11-07
JP2009536281A (ja) 2009-10-08
ES2535312T3 (es) 2015-05-08
MX2008008461A (es) 2009-03-09
CN101365542A (zh) 2009-02-11
JP5014353B2 (ja) 2012-08-29
WO2007076553A3 (en) 2007-12-21
KR101267360B1 (ko) 2013-05-24
KR100991188B1 (ko) 2010-11-02
WO2007076552A3 (en) 2007-11-01
AU2006330441A1 (en) 2007-07-05
WO2007076552B1 (en) 2008-01-10
WO2007076554A3 (en) 2007-11-01
EP1981611A2 (en) 2008-10-22
GB0811718D0 (en) 2008-07-30
AU2006330440B2 (en) 2011-07-14
WO2007076554B1 (en) 2007-12-21
CN101365542B (zh) 2013-04-03
MX2008008462A (es) 2009-03-09
RU2418636C2 (ru) 2011-05-20
DK1993735T3 (en) 2016-01-11
KR102288113B1 (ko) 2021-08-11
AU2006330438B2 (en) 2011-07-21
DK1981610T3 (da) 2015-06-22

Similar Documents

Publication Publication Date Title
HK1126711A1 (en) Conductive bead for active field polarized media air cleaner
AU305789S (en) Air cleaner
GB2427351B (en) Vacuum cleaner
GB0622983D0 (en) vacuum cleaner
GB0603896D0 (en) Vacuum cleaner
GB2452166B (en) Air cleaner including ozone removal
GB0519648D0 (en) Resilient path protocol
ZA200804322B (en) Arrangement for processing dust
EP2042197A4 (en) AIR CLEANER
GB2424361B (en) Vacuum cleaner
EP1921967A4 (en) VACUUM
AU2005100387A4 (en) Magnetic Tooth-Brush
GB2440093B (en) Ultra clean air separator system
GB0514014D0 (en) Vacuum cleaner providing filter-absence detection
GB0507040D0 (en) Media cassette
AU303853S (en) Vacuum cleaner
GB0620395D0 (en) Folding vacuum cleaner configuration
GB0501691D0 (en) Vacuum cleaner filter
TWM292782U (en) Wafer dust cleaner
GB2425248B (en) Vacuum cleaner arrangements
AU2006904130A0 (en) An improved dust filter arrangement
GB0514139D0 (en) Pneumatic acellorator for loudspeakers
AU304177S (en) Vacuum cleaner
GB0519725D0 (en) Vacuum cleaner
AU2005904949A0 (en) Vacuum cleaning system

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080729

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20120322

RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 39/10 20060101AFI20120316BHEP

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20130404

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20140806