GB2035787B - Suction cleaning device - Google Patents

Suction cleaning device

Info

Publication number
GB2035787B
GB2035787B GB7938769A GB7938769A GB2035787B GB 2035787 B GB2035787 B GB 2035787B GB 7938769 A GB7938769 A GB 7938769A GB 7938769 A GB7938769 A GB 7938769A GB 2035787 B GB2035787 B GB 2035787B
Authority
GB
United Kingdom
Prior art keywords
cleaning device
suction cleaning
suction
cleaning
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.)
Expired
Application number
GB7938769A
Other versions
GB2035787A (en
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.)
L & H Designs Ltd & Merritt H
Original Assignee
L & H Designs Ltd & Merritt H
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 L & H Designs Ltd & Merritt H filed Critical L & H Designs Ltd & Merritt H
Priority to GB7938769A priority Critical patent/GB2035787B/en
Publication of GB2035787A publication Critical patent/GB2035787A/en
Application granted granted Critical
Publication of GB2035787B publication Critical patent/GB2035787B/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/16—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with suction devices other than rotary fans
    • A47L5/18—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with suction devices other than rotary fans with ejectors, e.g. connected to motor vehicle exhaust
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1608—Cyclonic chamber constructions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
GB7938769A 1978-11-11 1979-11-08 Suction cleaning device Expired GB2035787B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7938769A GB2035787B (en) 1978-11-11 1979-11-08 Suction cleaning device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7844154 1978-11-11
GB7938769A GB2035787B (en) 1978-11-11 1979-11-08 Suction cleaning device

Publications (2)

Publication Number Publication Date
GB2035787A GB2035787A (en) 1980-06-25
GB2035787B true GB2035787B (en) 1982-10-13

Family

ID=26269545

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7938769A Expired GB2035787B (en) 1978-11-11 1979-11-08 Suction cleaning device

Country Status (1)

Country Link
GB (1) GB2035787B (en)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9119513B2 (en) 2006-12-15 2015-09-01 G.B.D. Corp. Surface cleaning apparatus
US9192269B2 (en) 2006-12-15 2015-11-24 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9888817B2 (en) 2014-12-17 2018-02-13 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9962047B2 (en) 2016-01-08 2018-05-08 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US9962048B2 (en) 2016-01-08 2018-05-08 Omachron Intellectual Property Hand carryable surface cleaning apparatus
US9986880B2 (en) 2016-04-11 2018-06-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10016105B2 (en) 2016-04-11 2018-07-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10016104B2 (en) 2016-04-11 2018-07-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10080473B2 (en) 2009-03-13 2018-09-25 Omachron Intellectual Property Inc. Hand vacuum cleaner
US10105023B2 (en) 2009-03-11 2018-10-23 Omachron Intellectual Property Inc. Hand vacuum cleaner
US10136778B2 (en) 2014-12-17 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10165914B2 (en) 2016-01-08 2019-01-01 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10165912B2 (en) 2006-12-15 2019-01-01 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10251519B2 (en) 2014-12-17 2019-04-09 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10258208B2 (en) 2016-04-11 2019-04-16 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10271704B2 (en) 2016-12-27 2019-04-30 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10299643B2 (en) 2016-12-27 2019-05-28 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10405709B2 (en) 2016-12-27 2019-09-10 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10506904B2 (en) 2017-07-06 2019-12-17 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10537216B2 (en) 2017-07-06 2020-01-21 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10568477B2 (en) 2016-04-11 2020-02-25 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10631693B2 (en) 2017-07-06 2020-04-28 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10674884B2 (en) 2013-02-28 2020-06-09 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10702113B2 (en) 2017-07-06 2020-07-07 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10722086B2 (en) 2017-07-06 2020-07-28 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10729294B2 (en) 2013-02-28 2020-08-04 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10750913B2 (en) 2017-07-06 2020-08-25 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US10791889B2 (en) 2016-01-08 2020-10-06 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10827891B2 (en) 2016-12-27 2020-11-10 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10842330B2 (en) 2017-07-06 2020-11-24 Omachron Intellectual Property Inc. Handheld surface cleaning apparatus
US11006799B2 (en) 2018-08-13 2021-05-18 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same
US11013384B2 (en) 2018-08-13 2021-05-25 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same
US11192122B2 (en) 2018-08-13 2021-12-07 Omachron Intellectual Property Inc. Cyclonic air treatment member and surface cleaning apparatus including the same
US11241129B2 (en) 2016-04-11 2022-02-08 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11246462B2 (en) 2019-11-18 2022-02-15 Omachron Intellectual Property Inc. Multi-inlet cyclone
US11285495B2 (en) 2016-12-27 2022-03-29 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US11571098B2 (en) 2006-12-12 2023-02-07 Omachron Intellectual Property Inc. Hand vacuum cleaner
US11751740B2 (en) 2019-11-18 2023-09-12 Omachron Intellectual Property Inc. Multi-inlet cyclone
US11857142B2 (en) 2006-12-15 2024-01-02 Omachron Intellectual Property Inc. Surface cleaning apparatus having an energy storage member and a charger for an energy storage member
US11903546B2 (en) 2014-12-17 2024-02-20 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11918170B2 (en) 2016-04-11 2024-03-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11992848B2 (en) 2019-01-23 2024-05-28 Omachron Intellectual Property Inc. Surface cleaning apparatus
US12082759B2 (en) 2017-09-15 2024-09-10 Omachron Intellectual Property Inc. Surface cleaning apparatus

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122923B (en) * 1982-06-24 1986-01-15 Atomic Energy Authority Uk Apparatus for the removal and collection of solids in a gas flow
GB2147197A (en) * 1983-09-29 1985-05-09 Clarke Douglas C Suction devices
GB8516264D0 (en) * 1985-06-27 1985-07-31 Coleman J D Compressed air powered suction unit
GB2199267A (en) * 1986-12-23 1988-07-06 James Dyson A gas separating apparatus
GB2271728B (en) * 1992-10-15 1997-04-02 Edward John Roberts Suction cleaners
SE509696C2 (en) 1996-09-04 1999-02-22 Electrolux Ab Separation device for a vacuum cleaner
SE0300355D0 (en) * 2003-02-10 2003-02-10 Electrolux Ab Hand held vacuum cleaner
SE529683C2 (en) 2006-03-24 2007-10-23 Electrolux Abp Handheld vacuum cleaner
EP2012638B1 (en) 2006-04-10 2013-06-19 Aktiebolaget Electrolux A vacuum cleaner
EP2007264B1 (en) 2006-04-10 2019-03-13 Aktiebolaget Electrolux Vacuum cleaner with filter cleaning means
SE531125C2 (en) 2007-01-19 2008-12-23 Electrolux Ab Improvements in air flow losses in a vacuum cleaner
WO2008009891A1 (en) * 2006-07-18 2008-01-24 Dyson Technology Limited Handheld cleaning appliance
WO2008009887A1 (en) 2006-07-18 2008-01-24 Dyson Technology Limited A handheld cleaning appliance with a cyclone and a pre-motor filter
WO2008009886A1 (en) * 2006-07-18 2008-01-24 Dyson Technology Limited Handheld cleaning appliance
GB2474176A (en) 2006-07-18 2011-04-06 Dyson Technology Ltd A hand-held vacuum cleaner with handle and suction pipe relatively angled
WO2008009890A1 (en) 2006-07-18 2008-01-24 Dyson Technology Limited Handheld cleaning appliance
GB2440108A (en) 2006-07-18 2008-01-23 Dyson Technology Ltd Suction cleaner with filter detection mechanism
GB2440125A (en) * 2006-07-18 2008-01-23 Dyson Technology Ltd Cyclonic separating apparatus
US8869344B2 (en) 2006-12-12 2014-10-28 G.B.D. Corp. Surface cleaning apparatus with off-centre dirt bin inlet
US20210401246A1 (en) 2016-04-11 2021-12-30 Omachron Intellectual Property Inc. Surface cleaning apparatus
WO2008091199A1 (en) 2007-01-23 2008-07-31 Aktiebolaget Electrolux Vacuum cleaner nozzle
US11751733B2 (en) 2007-08-29 2023-09-12 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US12048409B2 (en) 2007-03-11 2024-07-30 Omachron Intellectual Property Inc. Portable surface cleaning apparatus
US11690489B2 (en) 2009-03-13 2023-07-04 Omachron Intellectual Property Inc. Surface cleaning apparatus with an external dirt chamber
DE102011006542A1 (en) * 2011-03-31 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Dust catching device
GB2508035B (en) 2012-11-20 2015-03-11 Dyson Technology Ltd Cleaning appliance
WO2017002073A1 (en) * 2015-06-30 2017-01-05 Control Wizard Pty Ltd A surface treatment appliance, a filter and components therefor
US10575688B2 (en) 2016-01-20 2020-03-03 Jiangsu Midea Cleaning Appliances Co., Ltd. Hand-held vacuum cleaner
CN105662273B (en) * 2016-01-20 2019-03-29 江苏美的清洁电器股份有限公司 Hand held cleaner
EP3235413B1 (en) * 2016-04-21 2019-06-12 Senur Elektrik Motorlari San. Ve Tic. A.S. Cyclonic separator
US10258210B2 (en) 2016-12-27 2019-04-16 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
GB2554932B (en) * 2016-10-14 2022-06-22 Techtronic Floor Care Tech Ltd Surface cleaning apparatus
JP6562312B2 (en) * 2016-11-04 2019-08-21 Smc株式会社 Dust removal device and dust removal system
US10016106B1 (en) 2016-12-27 2018-07-10 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
GB2581647B (en) 2017-09-22 2022-09-14 Sharkninja Operating Llc Hand-held surface cleaning device

Cited By (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11571098B2 (en) 2006-12-12 2023-02-07 Omachron Intellectual Property Inc. Hand vacuum cleaner
US11857142B2 (en) 2006-12-15 2024-01-02 Omachron Intellectual Property Inc. Surface cleaning apparatus having an energy storage member and a charger for an energy storage member
US9192269B2 (en) 2006-12-15 2015-11-24 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9545181B2 (en) 2006-12-15 2017-01-17 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11122943B2 (en) 2006-12-15 2021-09-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10314447B2 (en) 2006-12-15 2019-06-11 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9119513B2 (en) 2006-12-15 2015-09-01 G.B.D. Corp. Surface cleaning apparatus
US11627849B2 (en) 2006-12-15 2023-04-18 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10165912B2 (en) 2006-12-15 2019-01-01 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10105023B2 (en) 2009-03-11 2018-10-23 Omachron Intellectual Property Inc. Hand vacuum cleaner
US11969133B2 (en) 2009-03-11 2024-04-30 Omachron Intellectual Property Inc. Hand vacuum cleaner
US11253119B2 (en) 2009-03-11 2022-02-22 Omachron Intellectual Property Inc. Hand vacuum cleaner with a removable air treatment member
US10238250B2 (en) 2009-03-11 2019-03-26 Omachron Intellectual Property Inc. Hand vacuum cleaner
US10080473B2 (en) 2009-03-13 2018-09-25 Omachron Intellectual Property Inc. Hand vacuum cleaner
US10674884B2 (en) 2013-02-28 2020-06-09 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10729294B2 (en) 2013-02-28 2020-08-04 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US11910983B2 (en) 2014-12-17 2024-02-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11986145B2 (en) 2014-12-17 2024-05-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11903546B2 (en) 2014-12-17 2024-02-20 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9888817B2 (en) 2014-12-17 2018-02-13 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10219660B2 (en) 2014-12-17 2019-03-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10219662B2 (en) 2014-12-17 2019-03-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10624510B2 (en) 2014-12-17 2020-04-21 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11950745B2 (en) 2014-12-17 2024-04-09 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10136778B2 (en) 2014-12-17 2018-11-27 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10251519B2 (en) 2014-12-17 2019-04-09 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10362911B2 (en) 2014-12-17 2019-07-30 Omachron Intellectual Property Inc Surface cleaning apparatus
US10149585B2 (en) 2014-12-17 2018-12-11 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10244906B2 (en) 2016-01-08 2019-04-02 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10159391B2 (en) 2016-01-08 2018-12-25 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10327610B2 (en) 2016-01-08 2019-06-25 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10165915B2 (en) 2016-01-08 2019-01-01 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10813510B2 (en) 2016-01-08 2020-10-27 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10426302B2 (en) 2016-01-08 2019-10-01 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10238249B2 (en) 2016-01-08 2019-03-26 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US11229334B2 (en) 2016-01-08 2022-01-25 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US11160425B2 (en) 2016-01-08 2021-11-02 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US12075962B2 (en) 2016-01-08 2024-09-03 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10624512B2 (en) 2016-01-08 2020-04-21 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10165913B2 (en) 2016-01-08 2019-01-01 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10085604B2 (en) 2016-01-08 2018-10-02 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10165914B2 (en) 2016-01-08 2019-01-01 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US9962047B2 (en) 2016-01-08 2018-05-08 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
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US11826007B2 (en) 2016-01-08 2023-11-28 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US9980616B2 (en) 2016-01-08 2018-05-29 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10791889B2 (en) 2016-01-08 2020-10-06 Omachron Intellectual Property Inc. Hand carryable surface cleaning apparatus
US10258208B2 (en) 2016-04-11 2019-04-16 Omachron Intellectual Property Inc. Surface cleaning apparatus
US9986880B2 (en) 2016-04-11 2018-06-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10016105B2 (en) 2016-04-11 2018-07-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
US10016104B2 (en) 2016-04-11 2018-07-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11241129B2 (en) 2016-04-11 2022-02-08 Omachron Intellectual Property Inc. Surface cleaning apparatus
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US11918170B2 (en) 2016-04-11 2024-03-05 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11285495B2 (en) 2016-12-27 2022-03-29 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10827891B2 (en) 2016-12-27 2020-11-10 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10271704B2 (en) 2016-12-27 2019-04-30 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10299643B2 (en) 2016-12-27 2019-05-28 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US10405709B2 (en) 2016-12-27 2019-09-10 Omachron Intellectual Property Inc. Multistage cyclone and surface cleaning apparatus having same
US11938491B2 (en) 2016-12-27 2024-03-26 Omachron Intellectual Property Inc. Surface cleaning apparatus
US11331680B2 (en) 2016-12-27 2022-05-17 Omachron Intellectual Property Inc. Surface cleaning apparatus
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US12082759B2 (en) 2017-09-15 2024-09-10 Omachron Intellectual Property Inc. Surface cleaning apparatus
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Legal Events

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PCNP Patent ceased through non-payment of renewal fee