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| Number | Title | Issue Date |
| 7299522 | Compressed air vacuum cleaner A vacuum cleaning device powered by compressed air includes a canister forming an internal collection chamber for collecting liquid and debris sucked up by the vacuum cleaning device. The vacuum includes a user operated drain from which liquid and debris collected i... | 11/27/2007 |
| 7281690 | Trash bag support A support 10 for a flexible trash bag 16 comprises a housing 12 having an open end 11, substantially planar first side 18 and second and third sides 20, 24. A pair of brackets 50, 94 on circumferentially opposing side... | 10/16/2007 |
| 7203994 | Compressed air vacuum cleaner A vacuum cleaner powered by compressed air includes a canister forming an internal collection chamber. The vacuum cleaner includes a drain at the bottom of the collection chamber from which liquid and debris can be drained, and may also provide for pressurizing the ... | 04/17/2007 |
| 7168120 | Pressure-fed vacuum swimming pool cleaning robot An automatic swimming pool cleaning robot is disclosed, comprising a body, a suction head, an unstable valve, a suction pipe having an upper end, a recuperating filter connected to the upper end, and a venturi injector, wherein the unstable valve is activated to act... | 01/30/2007 |
| 7080761 | Spray head structure capable of preventing backflow of perfume liquid A spray head structure capable of preventing backflow of perfume liquid comprises a spray head, a locking base, a kit, a bottle, and a compressible ball. A rolling ball is held inside a gas-supplying tube of the spray head. A cross-shaped trench is formed on one end... | 07/25/2006 |
| 7080760 | Leakproof perfume spray head A leakproof perfume spray head comprises a spray head, a locking shell, an inner sleeve, a rotation shaft, and an outer cover, wherein the locking shell is locked to a perfume bottle and a sleeving section on a lower end of the inner sleeve is inserted into the lock... | 07/25/2006 |
| 7073612 | Surge device for air drilling A surge device providing a vent for bleeding pressure off an air drilled well and providing connectors for surge lines in the blooie line. The surge device has a hollow, abrasion resistant, tapered chamber into which two surge lines and the blow down line enter the ... | 07/11/2006 |
| 7059014 | Tool rail cleaning apparatus An apparatus for cleaning at least one surface of tubular tool rails includes an elongated housing having a free end, at least one brush rotatably attached to the free end of the housing, and a motor attached to the housing. The motor is operable to rotate the at le... | 06/13/2006 |
| 7047984 | Device and method for cleaning articles used in the production of semiconductor components A cleaning device for use in the production of semiconductor components comprises two feed devices with which a fluid medium is guided across a respective surface of an object to be cleaned so that different faces of the object are simultaneously cleaned. At least t... | 05/23/2006 |
| 6966132 | Method and device for moving subsea rocks and sediments A method for moving subsea rocks and sediments which can be at significant depths, in connection with removal of protective rocks around installations where maintenance is to be conducted. Tubing with an ejector nozzle is arranged completely externally in relation t... | 11/22/2005 |
| 6845542 | Portable, fully contained and disposable suction device A container including: at least one wall defining an interior cavity; a propellant disposed in the interior cavity; a release valve disposed in the at least one wall for selectively releasing the propellant from the interior cavity; and a heater for heating the prop... | 01/25/2005 |
| 6826799 | Smith air vac This invention is a compressed air vaccum that attaches to an air hose and forces air down the handle. The air is then is forced through a venture, which causes vacuum to occur. It has a baffle deflection piece that stops the liquid and debris from coming up into th... | 12/07/2004 |
| 6818070 | Method of collecting and disposing wine expectorant from spit buckets and apparatus therefor To dispose wine expectorant from a spit bucket, the interior of a portable pressurizable rigid tank is connected to a vacuum pump which draws a vacuum in the tank. The tank is disconnected from the pump and transported to the spit bucket. An inlet end of a suction c... | 11/16/2004 |
| 6641301 | Radiation detector with passive air purge and reduced noise A method and apparatus for maintaining a viewing window of a detector substantially clean includes enclosing the detector within a housing, and moving a target surface relative to the viewing window to create an airflow adjacent the viewing window. The ho... | 11/04/2003 |
| 6615447 | Vacuum cleaner A vacuum cleaner includes a case having a collection chamber including a filter for removing extraneous matter mixed with air sucked in through main suction channels and an apparatus chamber including a fan motor assembly for generating suction force and ... | 09/09/2003 |
| 6615441 | Cleaning apparatus A cleaning apparatus for cleaning cylindrical articles includes a container that defines a process chamber. The process chamber is adapted to receive cylindrical articles that have been soiled by dust. The process chamber is substantially closed except fo... | 09/09/2003 |
| 6484355 | Passage system of vacuum cleaner A vacuum cleaner containing an air passage system which is modified to increase the amount and speed of air drawn into the vacuum cleaner without increasing the capacity of the motor, whereby the performance of the vacuum cleaner is enhanced.... | 11/26/2002 |
| 6484354 | Air circulation type vacuum cleaner An air circulation type vacuum cleaner having a casing with a suction port and an exhaust port, a suction blower placed to intake air with impurities through the suction port, a suction fan having a dust collecting filter placed on the outlet side of the ... | 11/26/2002 |
| 6477734 | Dirt removal system for a textile machine In a fiber-processing machine with a separating edge, in which both fibers as well as air are guided past the edge in a substantially predetermined conveying direction, air layers loaded with dirt particles or waste are deflected by means of the edge from... | 11/12/2002 |
| 6434783 | Vacuum system for pre-wash removal of food/grease materials in dishwasher facilities A method and apparatus for reducing food and grease in a wastewater stream from a food service facility. Vacuum is supplied to a suction hose, which is used to remove food and grease from plates and utensils prior to these being introduced into the water ... | 08/20/2002 |
| 6367119 | Dual-duty blowing and exhausting apparatus A dual-duty blowing and exhausting apparatus is provided. The apparatus may be quickly and conveniently converted between blowing and exhausting configurations without exposing its parts to undue wear or damage, and without causing the escape of the colle... | 04/09/2002 |
| 6094778 | Portable vacuum cleaner for attaching to a can of compressed gas for creating a suction A portable vacuum cleaner for attaching to a can of compressed gas having an output for creating a suction. The cleaner includes a body, a nozzle attached to one end of the body, and a receptacle attached to the other end of the body. The body includes a ... | 08/01/2000 |
| 6049941 | Portable backpack vacuum system A portable vacuum system adapted to be worn on the back of an operator for collecting dust and debris generated during use of an air powered tool such as a grinder or a sander. The portable vacuum system is powered by the same pressurized air source used ... | 04/18/2000 |
| 6042341 | Suction nozzle operated with compressed air A suction nozzle operated with compressed air is used to generate vacuum in hollow spaces connected on the suction side. Two cylindrical nozzle bores (1, 2) that are coaxial to one another, through which a compressed air flow flows, which are separated by... | 03/28/2000 |
| 5989360 | Gas-driven portable self-contained vacuum device A portable, self-contained vacuum device designed for hand-held use to create a moderate vacuum effect for various applications. A small diameter tube (10) is firmly attached (14) to the nozzle or spray tip of an aerosol canister and inserted at a point (... | 11/23/1999 |
| 5944911 | Method and apparatus for sweeping seating areas A method and apparatus for sweeping seating areas is provided which enables the operator to stand substantially upright while directing a stream of air substantially horizontally along the floor supporting the seats. The apparatus includes a handle adapte... | 08/31/1999 |
| 5940926 | Multiple port evacuation apparatus having independent vacuum level control An evacuation apparatus for evacuating waste particles from a plurality of waste sources. A plurality of vacuum lines are in fluid communication with a collector for transporting the waste particles from the waste source to the collector. An ejector is di... | 08/24/1999 |
| 5924166 | Cleaning gun adjustable to blowing and suction functions The cleaning gun of this invention is equipped for connection to a source of compressed air under 80 psi, and with a directional dial that is mutually adjustable to cause a vacuum to draw in ambient air through an inlet/outlet tube as for removing oily du... | 07/20/1999 |
| 5884360 | Nozzle arrangement and use thereof With one or several pressure streams projected at an acute angle () in relation to the surface to be processed, shearing forces can be reached that are high enough to move solid particles and/or fluid media and thus make it easier to suck them away... | 03/23/1999 |
| 5867865 | Filterless industrial vacuum cleaner operated by compressed gas and suitable for connection to an existing suction and filtering system A device for extraction of vacuum-cleaned material comprising a propellant ozzle (1) operated by propellant gas that has on a suction side a vacuum tube (4) with vacuum tool (20) on the end for extraction of vacuum cleaned material and on a discharge side ... | 02/09/1999 |
| 5864919 | Power leaf bagger A lawn maintenance apparatus for the collection of leaves, lawn debris or particulate matter, the apparatus comprised of a fixed tubular duct member having an ingress opening and an egress opening, an annular collar proximate to the ingress opening and in... | 02/02/1999 |
| 5836044 | Surface cleaner and collector system A surface cleaner and collector system includes: a chamber having an opening for receiving a surface to be cleaned; at least one pressurized air delivery system proximate the surface for establishing an air flow for loosening and entraining contaminants o... | 11/17/1998 |
| 5802653 | Device for automatically cleaning the bottom and walls of a swimming-pool A device for automatically cleaning the bottom and walls of a swimming-pool includes a suction/discharge body (11) having an orifice or suction opening (12) and a discharge orifice (13), an ejector comprising a driving nozzle (14) and a venturi diffuser (... | 09/08/1998 |
| 5768743 | Debris collecting apparatus A clean fan debris collecting apparatus is disclosed in which the suction of debris is performed by an entrained stream of air (34). The apparatus comprises a motor (24) which drives an impeller (20) which generates at air steam which is directed down an ... | 06/23/1998 |
| 5727283 | Collection apparatus A collection apparatus includes an air outlet, a collection mouth and an apparatus for creating an airstream for discharge at the air outlet. The collection apparatus further includes a cylinder mounted at the air outlet for rotation and a device for dire... | 03/17/1998 |
| 5701632 | Debris blowing apparatus A debris blowing apparatus with a motor, a fan driven by the motor, an inlet to the fan and an air outlet from the fan. A portion of the air which is emitted through the outlet is recycled through a metering aperture into the air inlet to maintain a const... | 12/30/1997 |
| 5697116 | Device for cleaning and accelerating globular objects, especially golf balls The invention generally relates to a device for cleaning and accelerating objects which are globular. In particular the invention relates to a device for cleaning golf balls with a high throughput of balls. Devices of this kind are mainly used on golf cou... | 12/16/1997 |
| 5673457 | Debris blower and/or vacuum devices A debris blower and/or vacuum device is disclosed which comprises a motor unit which drives an impeller. When the device is to be used as a blower, a volute arrangement adopted for blowing in which the impeller is locatable is releasably attached to the m... | 10/07/1997 |
| 5642766 | Method and apparatus for removing sawdust The present invention is directed to a system for removing sawdust from the kerf of a workpiece. The system includes a nozzle for directing fluid at a predetermined pressure in the kerf of a workpiece, a pressure source for providing fluid at a predetermi... | 07/01/1997 |
| 5624239 | Portable pneumatic vacuum source apparatus and method A portable pneumatic vacuum source includes a source of pressurized fluid and a vacuum pump in fluid connection with the pressurized fluid source, the vacuum pump operative to generate a vacuum in response to pressurized fluid flow therethrough. A nozzle ... | 04/29/1997 |
