US20040088818A1 - Bagless vacuum cleaner with removable dirt cup - Google Patents
Bagless vacuum cleaner with removable dirt cup Download PDFInfo
- Publication number
- US20040088818A1 US20040088818A1 US10/631,231 US63123103A US2004088818A1 US 20040088818 A1 US20040088818 A1 US 20040088818A1 US 63123103 A US63123103 A US 63123103A US 2004088818 A1 US2004088818 A1 US 2004088818A1
- Authority
- US
- United States
- Prior art keywords
- filter
- cleaning apparatus
- floor cleaning
- dirt cup
- receiver
- 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.)
- Abandoned
Links
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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
- 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
- A47L9/12—Dry filters
- A47L9/122—Dry filters flat
-
- 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
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1409—Rigid filtering receptacles
-
- 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
- A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
- A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
- A47L9/1463—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters specially adapted for rigid filtering receptacles
Abstract
A floor cleaning apparatus includes a nozzle assembly with an intake opening, a canister assembly with a dirt cup receiver and a filter receiver, a suction generator carried on either the nozzle assembly or the canister assembly and a dirt cup held in the dirt cup receiver.
Description
- This application claims the benefit of U.S. Provisional Patent Application Serial No. 60/424,425, filed Nov. 7, 2002.
- The present invention relates generally to the floor care equipment field and, more particularly, to a vacuum cleaner incorporating a novel dirt cup and filter arrangement.
- Bagless vacuum cleaner technology has long been known in the art. Japanese Patent Applications 56-136642 and 56-136650 both published in 1981 disclose an upright vacuum cleaner with a dust collection chamber that removably connects to an opening in the main unit to facilitate user convenience during the emptying of the cleaner. A removable filter fills an opening at the bottom of the dust chamber and serves to separate dust from air drawn through the vacuum cleaner by the fan and motor assembly.
- The present invention relates to an improved bagless vacuum cleaner incorporating a unique dirt cup and filter arrangement. The invention may be utilized on upright, canister and/or hand-held vacuum cleaners.
- In accordance with the purposes of the present invention as described herein, a floor cleaning apparatus is provided with a novel dirt cup and filter arrangement. The floor cleaning apparatus comprises a nozzle assembly including an intake opening and a canister assembly including a dirt cup receiver and a filter receiver. Additionally, the apparatus includes a suction generator that is carried on either the nozzle assembly or the canister assembly. Further, a dirt cup is held in the dirt cup receiver.
- The dirt cup includes a top wall, a bottom wall and a sidewall defining a dirt collection chamber. Both an inlet and an outlet are provided in the same sidewall. The inlet and outlet provide fluid communication with the dirt collection chamber. A hinge connects the bottom wall to the sidewall of the dirt cup. A latch secures the bottom wall in a closed position. A lock secures the dirt cup in the dirt cup receiver. A filter is provided in the filter receiver. The filter includes a pleated filter media and a structural support such as a surrounding frame.
- Further describing the invention, the dirt cup receiver is a cavity. The filter receiver is a series of walls defining a second cavity that is positioned in the dirt cup receiver. The walls of the filter receiver include at least one guide notch and the support of the filter includes at least one cooperating guide tab that engages in that guide notch. Further, the walls of the filter receiver include at least one slot. Additionally, the filter support includes at least one latching lug that engages in that slot. Together, the cooperating guide notches, guide tabs, slots and lugs ensure that the filter is properly oriented and securely held in the filter receiver.
- The filter receiver also includes a pair of opposed filter removal notches. These allow an operator to engage the support of the filter when the filter is held in the walls of the filter receiver. Thus, these notches allow the filter to be easily and conveniently removed from the filter receiver for purposes of servicing the filter.
- In accordance with yet another aspect of the present invention, the canister assembly includes a suction conduit between the filter receiver and the suction generator. The suction conduit, the filter receiver and the dirt cup are all aligned in the canister assembly. This allows unobstructed linear flow from the dirt cup through the filter to the suction conduit.
- In the following description there is shown and described a preferred embodiment of the invention, simply by way of illustration of one of the modes best suited to carry out the invention. As it will be realized, the invention is capable of other different embodiments and its several details are capable of modification in various, obvious aspects all without departing from the invention. Accordingly, the drawings and descriptions will be regarded as illustrative in nature and not as restrictive.
- The accompanying drawing incorporated in and forming a part of the specification, illustrates several aspects of the present invention, and together with the description serves to explain certain principles of the invention. In the drawing:
- FIG. 1 is a perspective view of an upright vacuum cleaner incorporating the novel dirt cup of the present invention;
- FIG. 2 is a partially schematical, cross-sectional and exploded view of the vacuum cleaner illustrated in FIG. 1 clearly illustrating the mounting of the filter receiver in the canister housing of the vacuum cleaner;
- FIG. 3 is a detailed cross-sectional view of the dirt cup;
- FIG. 4 is a partially exploded perspective view of the dirt cup with the bottom wall open to allow emptying of the dirt collection chamber;
- FIG. 5 is a perspective view showing the bottom wall latch of the dirt cup; and
- FIG. 6 is a broken away perspective view showing the filter receiver that is positioned on the canister assembly at the rear of the dirt cup receiver.
- Reference will now be made in detail to the present preferred embodiment of the invention, an example of which is illustrated in the accompanying drawing.
- Reference is now made to FIGS. 1 and 2 illustrating an
upright vacuum cleaner 10 of the present invention. As illustrated, theupright vacuum cleaner 10 includes a main housing incorporating anozzle assembly 14 and acanister assembly 16. Thecanister assembly 16 is pivotally mounted to thenozzle assembly 14. Afoot latch 19 locks thecanister assembly 16 in the upright position illustrated in FIGS. 1 and 2. Depressing thefoot latch 19 releases thecanister assembly 16 so that it pivots freely relative to thenozzle assembly 14 when thevacuum cleaner 10 is manipulated by an operator to clean a floor. - The
canister assembly 16 includes a pair ofrear wheels 18 and thenozzle assembly 14 includes a pair offront wheels 20. Together, thewheels vacuum cleaner 10 to roll smoothly over the surface of the floor being cleaned as it is being manipulated by the operator. Aheight adjustment switch 22 allows the operator to adjust the position of thefront wheels 20 relative to thebody 24 of thenozzle assembly 14 so as to allow the cleaning height of thevacuum cleaner 10 to be adjusted to provide efficient and effective cleaning of substantially any foreseeable type of floor surface. Thenozzle assembly 14 also includes anagitator cavity 26. Theagitator cavity 26 receives a pair ofagitators 28 that are mounted so as to rotate relative to theagitator body 26. - The
canister assembly 16 includes ahousing 30 having a dirt cup receiver orcavity 32 for receiving thedirt cup 12 in a manner that will be described in greater detail below. Additionally, thecanister housing 30 includes aninternal compartment 34 for holding asuction generator 36 which may, for example, take the form of a fan and motor assembly. As is known in the art, the motor of thesuction generator 36 may be connected to theagitators 28 by means of a power transmission (not shown) so that the agitators are rotated relative to thenozzle body 24 to brush and beat dirt and debris from the nap of an underlying carpet being cleaned. - The
canister assembly 16 also includes acontrol handle 38 connected to thecanister assembly 30. Thecontrol handle 38 carries ahand grip 40 and may also be equipped with anactuator switch 42 for turning the vacuum cleaner on and off. An electrical cord (not shown) connects the electrical system of the vacuum cleaner with a wall outlet. - A filter receiver or
cavity 72 is provided at the rear of thedirt cup receiver 32 in thecanister assembly 16. Thus, as should be appreciated, when thedirt cup 12 is seated in thedirt cup receiver 32 thefilter holder 72 is downstream from both theoutlet 68 and theoptional prefilter 70. As best illustrated in FIGS. 2 and 6, thefilter receiver 72 includes a series ofwalls 74 that define acavity 76. Afilter 78 is received in thecavity 76. As illustrated, thefilter 78 may take the form of a filter cartridge including a support orframe 80 and apleated filter media 82 of a type known in the art to be useful for the intended purpose. Cooperating guide notches 84 andslots 86 on thewalls 74 of thefilter holder 72 match up with cooperatingguide tabs 88 and latching lugs 90 on thesupport 80 to ensure that thefilter 78 is properly seated in thecavity 76. - Reference is now made to FIGS. 3 and 4 showing the
dirt cup 12 in detail. As illustrated, thedirt cup 12 comprises ahousing 50 including atop wall 52, foursidewalls bottom wall 62 that define adirt collection chamber 64. Aninlet 66 and anoutlet 68 are provided in thesidewall 54 of thehousing 50 and provide fluid communication with thedirt collection chamber 64. Thewalls 69 surrounding theoutlet 68 seat against thewalls 74 of thefilter receiver 72 when thedirt cup 12 is properly seated and locked in thedirt cup receiver 32 of thecanister assembly 16. Thus, a substantially airtight seal is provided. Of course, if desired to enhance the sealing between these components, an O-ring seal or other gasket may be provided between thewalls 69 and thewalls 74. Aprefilter 70, such as a screen, may be optionally mounted in thedirt cup 12 to extend fully across theoutlet 68. Theprefilter 70 may be made removable for easy cleaning. - As further illustrated in FIGS. 3 and 4, the
bottom wall 62 of the dirt cup is connected by means of ahinge 92 to thesidewall 60 of thehousing 50. Thus, thebottom wall 62 may be hinged open from thesidewalls dirt collection chamber 64. A latch, generally designated byreference numeral 94, is carried on thesidewall 58 and includes a spring loadedlever arm 96 that is pivotally mounted to the dirt cup housing 50 (see FIG. 5). Thelever arm 96 is equipped with a shoulder to engage the notchededge 98 of thebottom wall 62 to secure the bottom wall in the closed position, sealing the bottom of thedirt collection chamber 64. - A second latching mechanism100 is provided on the
side wall 56 of thedirt cup housing 50. As best illustrated in FIG. 3, the latching mechanism 100 includes anactuator 102 mounted bypivot pins 106 in apertures formed in thehousing 50. Theactuator 102 also includes a projectinglatching element 108 having alatching tab 110. Aspring 112 has a first end carried on aguide 114 on thehousing 50 and a second end that engages in acavity 116 on theactuator 102. Thisspring 112 biases theactuator 102 and, more particularly, the latchingelement 108 into the latching position. In the latching position thelatching tab 110 engages the shoulder or edge 118 of thecanister assembly 16 so that thedirt cup 12 is positively held in the cavity 32 (note FIG. 2). - In operation, the vacuum cleaner operator manipulates the actuator switch.42 to energize the motor of the
suction generator 36. As previously discussed, the motor of thesuction generator 36 also drives theagitators 28 through a transmission such as a gear drive, a belt drive or a combined belt and gear drive. As thevacuum cleaner 10 is manipulated back and forth across the floor by the operator, the rotatingagitators 28 brush and beat dirt and debris from the nap of an underlying carpet or rug being cleaned. That dirt and debris becomes entrained in the suction airstream drawn into thevacuum cleaner 10 by thesuction generator 36. Thus, air entrained with dirt and debris passes from theagitator cavity 26 through theintake port 120 and a hose andconduit system 122 into theinlet port 124 provided in the rear of the canister housing 30 (note the hoses connecting theport 120 to theconduit 122 and that conduit to theinlet port 124 are not shown). The air entrained with dirt and debris then passes into thedirt collection chamber 64 of the dirt cup through theinlet 66. Theprefilter 70 ensures that the larger particles of dirt and debris are collected in thedirt collection chamber 64. - The suction airstream, now devoid of the relatively large particles of dirt and debris passes freely from the
dirt collection chamber 64 through theprefilter 70 and is then drawn through thefilter 78. Thepleated filter media 82 of thefilter 78 cleans the remaining fine particles of dirt and debris from the airstream. The now clean air is then drawn from thefilter cavity 76 into thesuction conduit 126 formed in thecanister housing 30 at the rear of thedirt cup receiver 32. As should be appreciated thedirt cup outlet 68, thefilter receiver 72 andfilter 78 and thesuction conduit 126 are all horizontally aligned to provide a high efficiency linear air path. The air is then drawn through theopening 128 into theinternal compartment 34 housing thesuction generator 36. A supplemental filter may be provided across theopening 128 if desired. The air then passes over the motor of thesuction generator 36 to provide cooling before being exhausted through a final filter (not shown) and theexhaust port 132 into the environment. - At some point, dirt and debris will fill the
dirt collection chamber 64 and it will become necessary to empty thedirt cup 12. In order to achieve this end, the operator reaches one or more fingers into thecavity 134 in thesidewall 56 and engages theinner face 136 of theactuator 102. The operator then pivots the actuator about the pivot pins 106 thereby freeing thelatching tab 110 from the shoulder/edge 118 of thecanister housing 30. Thedirt cup 12 is then easily removed from thecavity 32 of thecanister housing 30. - The
dirt cup 12 may then be carried to a garbage can, garbage bag or other garbage collection vessel where it may be emptied. This is done by positioning thedirt cup 12 over the vessel and manipulating thelatch 94 so that thelever arm 96 swings free of the notchededge 98 of thebottom wall 62. Thebottom wall 62 then opens under the force of gravity swinging about thehinge 92. Dirt and debris then fall from thedirt collection chamber 64 into the garbage can, bag or vessel. Following emptying, thebottom wall 62 is pivoted closed about thehinge 92 until thelever arm 96 again engages the notchededge 98 thereof. - The
dirt cup 12 is then repositioned in thecavity 32 in thecanister housing 30. When properly seated, theinlet 66 seats against a seal to provide airtight fluid communication with theinlet port 124 and thefilter holder 72 seats against a seal to provide airtight fluid communication with thesuction conduit 126. Simultaneously thelatching tab 110 slips past theshoulder 118 through cooperation of the cam surfaces 138 and 140 and engages the shoulder to secure thedirt cup 12 in thecavity 32. - In summary, numerous benefits result from employing the concepts of the present invention. The
dirt cup 12 is of relatively simple construction and is inexpensive to produce. It also provides excellent cleaning efficiency and is user friendly. Thedirt cup 12 may be easily emptied by simply opening the hingedbottom wall 62. Since there is no filter or any other structure in thedirt collection chamber 64 of thedirt cup 12 to interfere with emptying, dirt and debris flows freely from the dirt cup when thebottom wall 62 is opened. - In addition, the
filter 78 may be easily changed.Notches 142 are provided in thewalls 74 of thefilter receiver 72 so that thesupport 80 may be easily gripped to slide thefilter 78 from thecavity 76. Anew filter 78 may then be dropped into place by aligning theguide tabs 88 with the guide notches 84 and engaging thelugs 90 with theslots 86. - The foregoing description of the preferred embodiment of this invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obvious modifications or variations are possible in light of the above teachings. While the
dirt cup 12 and canister mountedfilter receiver 72 are illustrated in use on an upright vacuum cleaner, it should be appreciated that the dirt cup and filter receiver may also be utilized on a hand-held or a canister vacuum cleaner if desired. Further, while theagitators 28 of the upright vacuum cleaner are described as being driven by the motor of thesuction generator 36, it should be appreciated that a separate agitator drive motor could be provided if desired. A single agitator or more than two agitators could also be used. - The embodiment was chosen and described to provide the best illustration of the principles of the invention and its practical application to thereby enable one of ordinary skill in the art to utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. All such modifications and variations are within the scope of the invention as determined by the appended claims when interpreted in accordance with the breadth to which they are fairly, legally and equitably entitled. The drawings and preferred embodiment do not and are not intended to limit the ordinary meaning of the claims and their fair and broad interpretation in any way.
Claims (18)
1. A floor cleaning apparatus, comprising:
a nozzle assembly including an intake opening;
a canister assembly including a dirt cup receiver and a filter receiver;
a suction generator carried on one of said nozzle assembly and said canister assembly; and
a dirt cup held in said dirt cup receiver.
2. The floor cleaning apparatus of claim 1 , wherein said dirt cup includes a top wall, a bottom wall and a sidewall defining a dirt collection chamber.
3. The floor cleaning apparatus of claim 1 , further including an inlet and an outlet in said sidewall and in fluid communication with said dirt collection chamber.
4. The floor cleaning apparatus of claim 3 , wherein said dirt cup includes a prefilter positioned across said outlet.
5. The floor cleaning apparatus of claim 4 , wherein said prefilter is a screen.
6. The floor cleaning apparatus of claim 1 , further including a filter in said filter receiver.
7. The floor cleaning apparatus of claim 6 , wherein said filter includes a support and a pleated filter media.
8. The floor cleaning apparatus of claim 7 , further including a hinge connecting said bottom wall to said sidewall.
9. The floor cleaning apparatus of claim 8 , further including a latch for securing said bottom wall in a closed position.
10. The floor cleaning apparatus of claim 9 , further including a lock for securing said dirt cup in said dirt cup receiver.
11. The floor cleaning apparatus of claim 10 , wherein said dirt cup receiver is a cavity.
12. The floor cleaning apparatus of claim 11 , wherein said filter receiver is a series of walls defining a second cavity.
13. The floor cleaning apparatus of claim 12 , wherein said walls of said filter receiver include at least one guide notch and said support includes at least one cooperating guide tab engaging in said at least one guide notch.
14. The floor cleaning apparatus of claim 13 , wherein said walls of said filter receiver include at least one slot and said support includes at least one latching lug engaging in said at least one slot.
15. The floor cleaning apparatus of claim 14 , wherein said walls of said filter receiver further include a pair of opposed filter removal notches allowing an operator to engage said support of said filter when said filter is held in said walls of said filter receiver.
16. The floor cleaning apparatus of claim 1 , wherein said filter receiver is positioned in said dirt cup receiver.
17. The floor cleaning apparatus of claim 16 , wherein said canister assembly also includes a suction conduit between said filter receiver and said suction generator.
18. The floor cleaning apparatus of claim 17 , wherein said suction conduit, said filter receiver and said dirt cup are all aligned in said canister assembly.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/631,231 US20040088818A1 (en) | 2002-11-07 | 2003-07-31 | Bagless vacuum cleaner with removable dirt cup |
CA002448411A CA2448411C (en) | 2002-11-07 | 2003-11-06 | Bagless vacuum cleaner with removable dirt cup |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42442502P | 2002-11-07 | 2002-11-07 | |
US10/631,231 US20040088818A1 (en) | 2002-11-07 | 2003-07-31 | Bagless vacuum cleaner with removable dirt cup |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040088818A1 true US20040088818A1 (en) | 2004-05-13 |
Family
ID=32233580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/631,231 Abandoned US20040088818A1 (en) | 2002-11-07 | 2003-07-31 | Bagless vacuum cleaner with removable dirt cup |
Country Status (2)
Country | Link |
---|---|
US (1) | US20040088818A1 (en) |
CA (1) | CA2448411C (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050022340A1 (en) * | 2003-08-01 | 2005-02-03 | Hafling Danielle M. | Nozzle assembly with high efficiency agitator cavity |
EP1779758A3 (en) * | 2005-10-28 | 2008-08-06 | Samsung Gwangju Electronics Co., Ltd. | Vacuum cleaner |
US20100083462A1 (en) * | 2008-10-06 | 2010-04-08 | Shop Vac Corporation | System and Method of Controlling Start-Up of a Switched Reluctance Motor |
EP2463009B1 (en) | 2010-12-08 | 2019-04-03 | Mann + Hummel GmbH | Filter assembly |
GB2567497A (en) * | 2017-10-16 | 2019-04-17 | Dyson Technology Ltd | A filter assembly for a vacuum cleaner |
GB2620164A (en) * | 2022-06-29 | 2024-01-03 | Dyson Technology Ltd | Dirt separator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426211A (en) * | 1980-12-19 | 1984-01-17 | Sharp Kabushiki Kaisha | Vacuum cleaner with dust disposal |
US5829090A (en) * | 1996-01-11 | 1998-11-03 | Black & Decker Inc. | Vacuum cleaner with combined filter element and collection unit |
US20020073663A1 (en) * | 2000-01-14 | 2002-06-20 | White Consolidated Industries, Inc. | Bagless dustcup |
US6712868B2 (en) * | 2000-09-01 | 2004-03-30 | Royal Appliance Mfg. Co. | Bagless canister vacuum cleaner |
-
2003
- 2003-07-31 US US10/631,231 patent/US20040088818A1/en not_active Abandoned
- 2003-11-06 CA CA002448411A patent/CA2448411C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426211A (en) * | 1980-12-19 | 1984-01-17 | Sharp Kabushiki Kaisha | Vacuum cleaner with dust disposal |
US5829090A (en) * | 1996-01-11 | 1998-11-03 | Black & Decker Inc. | Vacuum cleaner with combined filter element and collection unit |
US20020073663A1 (en) * | 2000-01-14 | 2002-06-20 | White Consolidated Industries, Inc. | Bagless dustcup |
US6712868B2 (en) * | 2000-09-01 | 2004-03-30 | Royal Appliance Mfg. Co. | Bagless canister vacuum cleaner |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050022340A1 (en) * | 2003-08-01 | 2005-02-03 | Hafling Danielle M. | Nozzle assembly with high efficiency agitator cavity |
EP1779758A3 (en) * | 2005-10-28 | 2008-08-06 | Samsung Gwangju Electronics Co., Ltd. | Vacuum cleaner |
US8286300B2 (en) | 2008-10-06 | 2012-10-16 | Shop Vac Corporation | System and method of controlling current draw of a switched reluctance motor |
US20100083456A1 (en) * | 2008-10-06 | 2010-04-08 | Shop Vac Corporation | Vacuum Assembly with Inlet Through Removable Tank |
WO2010042561A2 (en) * | 2008-10-06 | 2010-04-15 | Shop Vac Corporation | Vacuum assembly with inlet through removable tank |
WO2010042561A3 (en) * | 2008-10-06 | 2010-06-03 | Shop Vac Corporation | Vacuum assembly with inlet through removable tank |
US20100083462A1 (en) * | 2008-10-06 | 2010-04-08 | Shop Vac Corporation | System and Method of Controlling Start-Up of a Switched Reluctance Motor |
US8312590B2 (en) | 2008-10-06 | 2012-11-20 | Shop Vac Corporation | System and method of controlling start-up of a switched reluctance motor |
US8615845B2 (en) | 2008-10-06 | 2013-12-31 | Shop Vac Corporation | Vacuum assembly for automobile |
US9238451B2 (en) | 2008-10-06 | 2016-01-19 | Shop Vac Corporation | Vacuum assembly with inlet through removable tank |
US10618502B2 (en) | 2008-10-06 | 2020-04-14 | Shop Vac Corporation | Vacuum assembly for automobile |
EP2463009B1 (en) | 2010-12-08 | 2019-04-03 | Mann + Hummel GmbH | Filter assembly |
GB2567497A (en) * | 2017-10-16 | 2019-04-17 | Dyson Technology Ltd | A filter assembly for a vacuum cleaner |
GB2620164A (en) * | 2022-06-29 | 2024-01-03 | Dyson Technology Ltd | Dirt separator |
Also Published As
Publication number | Publication date |
---|---|
CA2448411A1 (en) | 2004-05-07 |
CA2448411C (en) | 2009-02-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MATSUSHITA ELECTRIC CORPORATION OF AMERICA, NEW JE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAFLING, DANIELLE M.;HITZELBERGER, JOEL E.;PULLINS, ALAN T.;REEL/FRAME:014152/0544 Effective date: 20030731 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |