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| Number | Title | Issue Date |
| 8042223 | Air-powered rotary rake The air-powered rotary rake is an attachment for a leaf blower or the like, providing the user with air-powered rotary blades to dislodge or agitate debris which, ordinarily, could not be moved easily with air blowing alone. The air-powered rotary rake includes a ho... | 10/25/2011 |
| 7979958 | Work apparatus A work apparatus such as a blower apparatus (1) or a spray apparatus (31) has a drive motor (5), a blower wheel (11) and a blower tube (12). The blower wheel (11) is driven by the drive motor (5) and moves a flow of a... | 07/19/2011 |
| 7845048 | Portable air-blower for removing debris and the like from a putting green surface An air-blower includes a housing formed from non-corrosive material and is sized for being transportable. The housing has a cavity concentrically centered about its axis, and has an open distal end in fluid communication with the cavity and a closed proximal end. A ... | 12/07/2010 |
| 7823252 | Accessory for blower An accessory for a blower having a first end with a connector assembly for connecting the accessory to the blower, a second end for directing air under pressure from the blower, a lower blade portion extending at least partly between the first end and the second end... | 11/02/2010 |
| 7814615 | Blower attachment for raking debris A raking attachment for an air stream generating device is adapted to direct an air stream generated by air stream generating device into a loosely defined plane. The raking attachment comprises a generally triangular shaped top wall, an opposing triangular shaped b... | 10/19/2010 |
| 7735188 | Air inlet cover and portable blower/vacuum incorporating same A blower/vacuum having an air inlet cover and a blower tube, both of which attach to a blower housing for operation of the blower/vacuum in a blower mode. The air inlet cover may removably attach to both the blower housing and to the blower tube. In some embodiments... | 06/15/2010 |
| 7707684 | Implement having adjustable handle An implement comprising a first handle, on which are disposed control elements for the implement, and a second handle. The first handle is adjustable between a first operating position for a two-handed operation in which the implement is adapted to be guided by both... | 05/04/2010 |
| 7698779 | Hand-guided portable vacuum/blower device A hand-guided portable vacuum/blower device has a blower unit with a blower and a motor unit with a drive motor. The blower unit is rigidly connected to the motor unit. The drive motor is drivingly connected to the blower. A grip part is connected with antivibration... | 04/20/2010 |
| 7685673 | Manually guided blower A manually guided blower having a housing in which is disposed a drive motor that rotatingly drives an impeller. The impeller draws in an air stream via an intake opening and conveys the air stream through a discharge opening of the housing. The blower has at least ... | 03/30/2010 |
| 7621019 | Blower apparatus A blower apparatus has a blower housing having a blower intake. A motor-driven blower is arranged in the blower housing and takes in air in a flow direction through the blower intake into the blower housing. A device for mechanical clearing of the blower intake is a... | 11/24/2009 |
| 7437796 | Backpack having a reservoir A backpack frame for a power bower and yard treatment sprayer system is provided in one embodiment of the present invention. The frame includes a first portion and a second portion extending outwardly from the first portion. The second portion is adapted for carryin... | 10/21/2008 |
| 7419106 | Blower nozzle with variable velocity output A nozzle for use with a walk-behind blower includes a nozzle restriction due to a sloped upper wall of the nozzle body. The nozzle restriction increases the air velocity in the upper region of the nozzle and forces leaves and debris downward so that airflow through ... | 09/02/2008 |
| 7418997 | Radiator debris removing apparatus and work machine using same A radiator assembly includes a finned radiator core and a debris removing apparatus having a compressed air inlet and at least one compressed air outlet configured to direct compressed air through the radiator core. A work machine such as a wheel loader includes a r... | 09/02/2008 |
| 7415749 | Blower A blower is provided, and comprises a blower fan, a motor for driving the fan, a blower tube that extends from the fan, and a potential compensation conductor that extends within the blower tube and is connected with the motor in an electrically conductive manner. | 08/26/2008 |
| 7406742 | Vacuum device/blower An apparatus comprising a blower fan, a motor for driving the blower fan, a blower tube for conveying an air stream from the blower fan, and a potential compensation device that is electrically connected with the motor. The potential compensation device includes a c... | 08/05/2008 |
| 7360273 | Substrate cleaning device and substrate processing facility A substrate cleaning device is provided, which comprises a first cleaning room including a first cleaning portion for cleaning a substrate placed therein, and a second cleaning room including a second cleaning portion for cleaning a substrate provided therein. The f... | 04/22/2008 |
| 7300484 | Blower having a carrying frame A blower has a carrying frame provided with a base plate. A fan with a fan housing is mounted on the carrying frame. The fan housing has an intake opening that faces the base plate and is spaced from the base plate. An intake gap is formed between the base plate and... | 11/27/2007 |
| 7191489 | Integrated cleaning apparatus An integrated apparatus for carpet cleaning, pressure washing, air duct cleaning and inspection, portable welding, moisture abatement and other building maintenance and repair services, in which a gas engine mounts to a frame and has a drive shaft that extends from ... | 03/20/2007 |
| 7185393 | Leaf blower Leaf blower that is carried on the back of the operator comprising at least an engine (14) and a fan. The fan is provided with an air inlet (13) placed on the side of the fan that is facing away from the back of the operator. The air stream is passing ... | 03/06/2007 |
| 7172542 | Tool changing device and tool cleaning method A tool changing device and a tool cleaning method capable of surely removing foreign matter such as swarf adhered to tapered portions and/or flange portions of tools, which serve as contact faces to be in contact with a spindle. There is arranged tool cleaning nozzl... | 02/06/2007 |
| 7168973 | Extension cord retention and plug retention system A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension... | 01/30/2007 |
| 7132017 | Low-pressure cleaning system using high velocity high volume air A method for cleaning a heat exchanging coil in an air conditioning unit using a low-pressure cleaning system to remove foreign particles that have accumulated on the heat exchanging coil. The low-pressure cleaning system discharges air at a low pressure, high veloc... | 11/07/2006 |
| 7125277 | plug retention system A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension... | 10/24/2006 |
| 7112247 | Canned gas dust remover with air ionizer In a method and system for removing particles from a surface, a portable, compressed gas can is provided containing a particle removal gas. An air ionizer unit is connected to the gas can. A high voltage potential is selectively actuated at a time when a nozzle of t... | 09/26/2006 |
| 7055213 | Power blower having a debris-catching cover A power blower includes a frame, and a blower mounted on the frame. An air intake port of the blower faces the frame. There is provided an air intake space between the blower and the frame. A debris-catching cover is constructed between the frame side and the blower... | 06/06/2006 |
| 7047592 | Combination blower assembly and string trimmer A combination blower assembly and string trimmer whereby the string trimmer head is easily detachable without the use of any tools. The device includes a blower assembly that further includes an upper and lower housing mated together to form a volute-shaped cavity w... | 05/23/2006 |
| 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 |
| 7021955 | plug retention system A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension... | 04/04/2006 |
| 6996874 | Air jet for machine tool to clean cutting dust An air jet for a machine tool to clean cutting dust has a housing with a hole and an outlet. An eccentric member has a cam and is provided in the housing which the eccentric member is driven by a power resource of the machine tool for rotation. An annular transmissi... | 02/14/2006 |
| 6957472 | Cannister and upright vortex vacuum cleaners The present invention relates to upright and cannister vacuum cleaners. The improved vacuum cleaners utilize toroidal vortex technology to provide efficient airflow in a sealed system. The sealed system prevents dust from escaping into the atmosphere and retains kin... | 10/25/2005 |
| 6928693 | Blower with dual tubes A backpack blower has a lightweight engine, a starter, a fuel tank, a fan, a frame for the engine, two hollow tubes, and a control mechanism upon one tube. The blower improvement comes from a housing and two elbows. The round housing contains the fan and has two tan... | 08/16/2005 |
| 6857163 | Power blower having a debris-catching filter member A power blower having a frame, a blower, and a loop-shaped filter member. In an embodiment of the invention, the blower is disposed apart from the frame by an air intake space and has an air intake port facing the frame, and the loop-shaped filter member is disposed... | 02/22/2005 |
| 6834413 | Variable speed leaf blower A portable leaf blower that includes a housing having an inlet and an outlet and an impeller adapted to generate an airflow from the inlet to the outlet. An electric motor rotatably drives the impeller. The leaf blower includes a power control circuit for substantia... | 12/28/2004 |
| 6766560 | Gutter leaf-blower The Gutter Leaf-Blower is an apparatus conceived to clean rain gutters. The objective is to provide the operator with a user ‘friendly’ means of blowing leaves out of gutters while operating from ground level. The objective was accomplished by mounting an air no... | 07/27/2004 |
| 6681443 | Blower A blower having an outlet adjustably movable through a path substantially circumscribing an axis is disclosed. The blower may include an outlet formed in a housing which is coaxially aligned with an impeller. The housing and the impeller may rotate indepe... | 01/27/2004 |
| 6640384 | Convertible blower and vacuum A portable blower-vacuum includes a housing having an inlet and an outlet. A motor is disposed within the housing for rotatably driving an impeller to transfer an airflow from the inlet to the outlet. The blower-vacuum also includes an elongated air outle... | 11/04/2003 |
| 6637069 | Blower having fan oriented perpendicular to discharge nozzle A blower having a fan mounted perpendicularly relative to an airflow discharge port. The fan is disposed within a volute formed in the housing at a rear area of the housing. This places the volute slightly behind the user's leg or hip when the blower is s... | 10/28/2003 |
| 6629818 | Impeller for use with portable blower/vacuums An impeller for generating an air flow, for use in a device such as a blower/vacuum, the impeller having a hub structure for mounting the impeller on a rotatable shaft of the blower/vac and a plurality of air-flow generating vanes coupled to the hub struc... | 10/07/2003 |
| 6630032 | Method and apparatus for dislodging accrued deposits from a vessel Apparatus for dislodging an accretion of a substance from the vicinity of a vessel, includes apparatus for generating gas-borne shock waves in the vicinity of a vessel, thereby to expose a substance accrued on a surface thereof to separation forces causin... | 10/07/2003 |
| 6588057 | Air filter cleaning device An air filter cleaning device has en elongate, readily gripable handle having a through bore and a connector at one end for coupling to an air supply hose, and a rotary head is rotatably mounted on the other end of the handle. The rotary head has an inter... | 07/08/2003 |
