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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7293327 | Device for suction of waste and similar The invention relates a device for suction of waste and similar, in a machine for cleaning roads and similar comprising a suction pipe (2), an inlet aperture (3) of the suction pipe (2), and a sweeper device (4) of the pipe (2) pos... | 11/13/2007 |
| 7254866 | Vacuum cleaner nozzle A cleaning implement for cleaning a soiled surface having soiling particles lodge therein includes a body having a cleaning surface defining first and second cleaning section. The first and second cleaning sections are provided respectively with first and second dis... | 08/14/2007 |
| 7200892 | Robot cleaner with adjustable brush A robot cleaner with a pivotable brush which pivots in accordance with a condition of a floor surface to be cleaned. The pivotal brush prevents overload to a suction motor caused by excessive contact of the brush with the floor surface to be cleaned. The robot clean... | 04/10/2007 |
| 7143468 | Vortex vacuum cleaner nozzle with means to prevent plume formation The present invention is a novel design for a recirculating vacuum cleaner nozzle that addresses the problem of pluming by venting some internal fluid to the atmosphere. The nozzle guides fluid flow around an inner shroud within a housing. The distal end of the nozz... | 12/05/2006 |
| 7025835 | Scrubbing machine passive recycling A floor cleaning machine has one or more barriers immediately behind one or more scrubbing brushes, wherein the barriers capture and control flow of a cleaning solution (and/or other substances) that exits from beneath the scrubbing brush(es) so that such a solution... | 04/11/2006 |
| 6983511 | Multipurpose tool for cleaning machines A multipurpose tool for cleaning machines, having a body that is interchangeably associable with a cleaning machine provided with an electric motor; the body is movable on wheels and a front advancement part thereof is arranged transversely to a main direction of mo... | 01/10/2006 |
| 6976284 | Paint roller cover extender The paint roller cover extender is a paint roller cover accessory that would allow the corner areas of a room to be painted in one motion using a conventional paint roller. The product would feature a cylindrical cap having the same diameter as a roller cover, a clo... | 12/20/2005 |
| 6966099 | Duster nozzle for vacuum cleaners The present invention refers to a duster nozzle for vacuum cleaners, comprising a tube (1) carrying a duster (3a) at the air flow entrance end. The novelty of the invention basically consists in that the duster (3a) has duster elem... | 11/22/2005 |
| 6921438 | Vacuum cleaner attachment for fungi removal and method of use thereof A vacuum cleaner attachment and method of use thereof provides an effective cleaning system for fungi and the like. A vacuum paddle extension enables the attachment to travel into narrow cracks and crevices where fungus may grow and by use of an abrasive and porous ... | 07/26/2005 |
| 6622341 | Position shifting plate for an air blowing device A position shifting plate for an air blowing device includes a casing having an inlet defined in an underside of the casing and an outlet defined in an end of the casing. An annular neck extends from the underside of the casing and encloses the inlet. A g... | 09/23/2003 |
| 6553599 | Low-profile and highly-maneuverable vacuum cleaner having at least one anti-ingestion bar A low-profile and highly-maneuverable vacuum cleaner having improved functionality including, alone or in combination, a headlight, a sidelight, anti-ingestion bars, side brushes, a squeegee, and a scent cartridge for use in cleaning floors, floor coverin... | 04/29/2003 |
| 6442790 | Portable blower/vacuum having air inlet cover attachable to blower tube A blower/vacuum having an air inlet cover and a blower tube, both of which attach to a blower housing for operation in a blower mode. The air inlet cover is preferably able to removably attach to the blower housing and the blower tube. Blower/vacuums of t... | 09/03/2002 |
| 6152151 | Device and method for liquid removal from carpet The flooding device is disclosed coupled to a suction pump truck by flexible conduit. The deflooding device includes a suction chamber having a downward facing opening therein and a compression element, namely a roller, protruding therefrom. The roller ha... | 11/28/2000 |
| 6044521 | Hygienic body vac A vacuum attachment with disposable sleeve is provided including a vacuum mounting assembly. Further included is a disposable sleeve removably secured over an end of the mounting assembly. The sleeve has a plurality of apertures formed therein.... | 04/04/2000 |
| 5829091 | Automobile central vacuum cleaning system A new Automobile Central Vacuum Cleaning System for providing the opportunity to vacuum an automobile anytime or anywhere. The inventive device includes a vacuum generating unit, a remote vacuum port, and a vacuum cleaner hose. A remote vacuum line is loc... | 11/03/1998 |
| 5791012 | Safety cage for high suction industrial vacuums The present invention discloses a safety cage for high suction industrial vacuums. The cage is fabricated from an open perimeter structure having an open end and intake end. Proximate the intake end there is an end guard which serves to prevent large obje... | 08/11/1998 |
| 5729863 | Spray mist collector for spray guns A spray mist collector for use with a spray gun, such collector connected to a vacuum source to draw the spray mist surrounding the spray of paint or other sprayable material emitted from the nozzle of the spray gun to the intake apertures of the collecto... | 03/24/1998 |
| 5692263 | Delicate dusting vacuum tool A vacuum tool for delicate dusting of plants and similar delicate fabrics has an inner and outer shell. The inner shell has a distribution of holes providing even volume of air flow per unit length of inner and outer shells. The outer shell has an even di... | 12/02/1997 |
| 5481781 | Rollered nozzle A vacuum cleaner is provided with a nozzle having front and rear rollers that extend for, essentially, the width of the nozzle from side to side. Ideally, these rollers are mounted at least partly within the vacuumized envelope formed by the nozzle.... | 01/09/1996 |
| 5457846 | Portable power blower A portable power blower includes a body and a handle mounted on a top of the body. The body includes a prime mover, a fan volute chamber, a fan housed in the fan volute chamber and attached to one end of an output shaft of the prime mover, and an air inle... | 10/17/1995 |
| 5267372 | Hair vacuum apparatus An apparatus is directed to permit individuals to remove debris and the like entrapped within an individual's hair, with the apparatus having an elongated truncated conical body flaring outwardly from a handle portion obliquely relative to the handle port... | 12/07/1993 |
| 5263860 | Aseptic hose connector and cap A connector (12' or 12") is attached to the end of a dental vacuum hose (20) for enabling a valved handle (24) to be attached to the connector and thus coupled to the vacuum hose. A saliva ejector or a high-volume ejector can then be attached to the dista... | 11/23/1993 |
| 5263224 | Wet vacuum attachment for vacuum cleaners A portable vacuum cleaner attachment, that can be attached to the end of a vacuum hose to remove and separate fluid, so that the fluid does not enter the vacuum unit. The attachment has a housing with an outlet that can be coupled to the vacuum hose, and ... | 11/23/1993 |
| 5146868 | Self contained recirculating powdering a vacuuming assembly A self contained recirculating powdering and vacuuming assembly and the airflow discharge manifold therfor. The vacuum assembly includes a blower operably connected within a housing having a low and high pressure region. A powder tray is mounted beneath a... | 09/15/1992 |
| 5033159 | Method of cleaning up spilled oil This invention provides a process for recovery of oil from non-oleophilic areas and surfaces such as rocks, beaches and shorelines by the use of hand-held vacuum nozzles connected to flexible tubing conveying the recovered oil to a first vessel from which... | 07/23/1991 |
| 4953255 | Portable hot ash vacuum A hot ash vacuum is provided with a canister having an outer housing and a concentric inner housing; a cap for the canister has a vacuum motor extending into the inner housing; a flexible hose is coupled through the cap and communicates with the inner hou... | 09/04/1990 |
| 4918781 | Hand vacuum cleaner A hand vacuum cleaner is provided comprising a lightweight motor housing containing a revolving brush. A bag assembly is selectively separable from the housing and is sealable to the housing with an elastomeric retaining ring including a sealing and retai... | 04/24/1990 |
| 4756668 | Air intake cover for a blower vacuum apparatus The invention is directed to a protective cover for the air intake opening in a blower-vacuum apparatus. The cover contains opening defined in the cover having a large cross sectional area relative to the area of the air intake opening. The openings in th... | 07/12/1988 |
| 4587687 | Mounting piece for suction hose of a central vacuum cleaning system This invention relates to a mounting piece for the suction hose of a central vacuum cleaning system. In order to prevent objects that could possibly clog the suction piping from getting into the piping, there is on the inner wall (2) of the mounting piece... | 05/13/1986 |
| 4476607 | Portable vacuum cleaning device A lightweight portable vacuum cleaner and attachment nozzle are disclosed which may be readily carried by an operator to vacuum both normally accessible and normally inaccessible areas. The vacuum cleaner comprises an elbow-shaped plastic housing which en... | 10/16/1984 |
| 4355435 | Surface maintenance equipment The present invention provides surface maintenance equipment, such as for sweeping lawns, which includes mechanism for preventing clogging of ducts leading to the fan and/or the hopper.... | 10/26/1982 |
| 4285092 | Bottom plate for a carpet power cleaner A bottom plate for a carpet power cleaner has a body part, detents provided on the body part and detachably engageable in a housing of a carpet power cleaner. The detents may be of one piece with the body part. The detents may extend through cutouts provi... | 08/25/1981 |
| 4279057 | Portable spotting tool for carpets Spots and stains are completely removed from wall-to-wall carpeting, upholstery fabric, and the like, by using a generally flat, hollow tool, which is inserted beneath the carpet or fabric without completely removing the latter from the floor or piece of ... | 07/21/1981 |
| 4265621 | Tip for dental aspirator A removable protective tip for placement over the outer end of a dental aspirator. The tip includes a cylindrical sleeve that frictionally fits over the walls of the aspirator end, and an integral open mesh screen extending across one end of the sleeve in... | 05/05/1981 |
| 4083134 | Suction head for dredgers A trailing dredger comprises a vessel, a pump, a suction pipe connected with said pump and a suction head connected with said suction pipe and having a suction chamber having at least one suction opening and communicating with the suction pipe, said sucti... | 04/11/1978 |
| 4083077 | Hand tool for cleaning fabric A hand tool is constructed for detachable connection to a fluid cleaning machine such as a steam cleaning unit. A hollow head has convexly rounded front and rear edges to promote smooth back and forth sliding motion over fabric. Forward and rearward regio... | 04/11/1978 |
| 4045840 | Vacuum cleaner tool for cleaning deep pile carpets A vacuum cleaner nozzle tool that is connected to a source of negative pressure and which functions to clean deep pile carpet or shag rugs in an efficient manner and which at the same time raises the pile of the rug or carpet in order to improve the appea... | 09/06/1977 |
| 4042999 | Miniaturized vacuum cleaner device A miniature vacuum cleaner device operated by self-contained dry cells or rechargeable equivalents, and capable of applying light vacuum or pressure through specialized nozzles for such functions as cleaning phonograph records, optical slides, postage sta... | 08/23/1977 |
| 3972089 | Brake drum duster system A brake drum and shoe assembly duster system in which a cylindrical container having one open end and one closed end is provided with a vacuum fitting at an aperture centrally located in the closed end and a plurality of high pressure air fittings along t... | 08/03/1976 |
