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| Number | Title | Issue Date |
| 8056182 | Heating system for a portable carpet extractor A portable extractor apparatus is shown which includes a wheel mounted base having a solution tank for dispensing and recovering cleaning solution. A cleaning wand is connected to the solution tank and has a head which contacts the surface to the cleaned for dispens... | 11/15/2011 |
| 8032979 | Heat exchanger A heat exchanger for use with a carpet cleaning system having combined exhaust gases of an internal combustion engine and other hot exhaust gases expelled from a vacuum pump as a single input to a heat exchanger for heating the carpet cleaning fluid. A heat exchange... | 10/11/2011 |
| 7917991 | Steam generator, method of controlling the same, cleaner using the same and method of controlling the cleaner A steam generator is provided that includes an external case having an opening that allows an internal space to communicate with an external environment. Additionally, the steam generator may be provided with a supplier that supplies water to the internal space, a h... | 04/05/2011 |
| 7823250 | Bare floor cleaner The invention relates to a bare floor cleaner capable of wet pickup through a first nozzle opening with the aid of a squeegee, wet scrubbing with an agitator, and dry pickup through a second nozzle opening. The bare floor cleaner comprises a dual-path nozzle assembl... | 11/02/2010 |
| 7770254 | Floor scrubber A floor scrubber for cleaning floor surfaces that includes a cleaning head which defines a downwardly opening cleaning zone having a plurality of spray nozzles connected to a power washer pump for directing pressurized liquid flow streams onto the floor surface duri... | 08/10/2010 |
| 7600289 | Three-point mount for an industrial carpet cleaner A platform mounted drive train for a professional carpet and floor cleaner system, the platform mounted drive train being formed of a rigid platform; a power plant having two spaced apart mounting structures secured to the rigid platform; a vacuum blower having one ... | 10/13/2009 |
| 7578025 | Battery powered cleaning attachment The disclosure relates to a hand-held cleaning device including an elongated nozzle base having opposed first and second ends and a longitudinal axis. The second end is releasably connected to a hand-held suction wand of a vacuum source. The longitudinal axis of the... | 08/25/2009 |
| 7552505 | Cleaning system for cleaning the outer skin of aircraft A cleaning system for cleaning the outer skin of aircraft of all types is provided with a cleaning head (1). This cleaning head (1) is fastened to an arm, which is mounted on a system support, for example, on a low-bed truck. The cleaning head (1 | 06/30/2009 |
| 7523524 | Ultrasonic cleaner and wet treatment nozzle comprising the same A second housing whose center portion is depressed and whose end portion around the center portion is formed like a visor is arranged around a first housing whose center portion is depressed and whose end portion around the center portion is formed like a visor, and... | 04/28/2009 |
| 7484265 | Protectant application A hand-held nozzle is attached to the end of a vacuum and fluid delivery hose of an upright deep cleaner. The nozzle includes a reservoir to contain a solution to be applied to a surface. When a solution delivery system of the deep cleaner is pressurized, water from... | 02/03/2009 |
| 7441304 | Vacuum arrangement for a ground area A vacuum arrangement has a vacuum pipe having a vacuum opening facing a ground surface and adapted to pick up from the ground surface a material to be collected. The vacuum pipe conveys the material to be collected into a collecting container connected to the vacuum... | 10/28/2008 |
| 7434749 | Sprayer A direct-current sprayer includes a shell with an outlet therein, a valve in the outlet, a pipe leading to the valve from a pump in the shell and a hose detachably connected to the valve so that water can flow from a pump in the shell into the hose through the valve... | 10/14/2008 |
| 7430783 | Tank latching arrangement for a cleaning apparatus A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. In one aspect of the invention, the cleaning appar... | 10/07/2008 |
| 7421757 | Pump valve mechanism A method for cleaning tubes and heat exchangers provides an oscillating pump/valve mechanism to provide a periodic waveform of shocks to fouled tubes. Preferably, a pair of pneumatic control valves operates an actuator to oscillate a valve within a valve block, and ... | 09/09/2008 |
| 7421759 | Vacuum extraction apparatus for cleaning a surface An apparatus (20) for cleaning a surface (22) includes a clean fluid tank (26) containing a cleaning fluid (46) and configured for delivery of the fluid (46) to the surface (22). The clean fluid tank (26) has a first ... | 09/09/2008 |
| 7412983 | Pattern forming method and apparatus, and device fabrication method and device The invention saves resources and energy. A cleaning/fluid-feeding head integrates a cleaning head portion and a fluid-feeding head portion. The cleaning head portion includes an organic substance cleaning unit, an inorganic substance cleaning unit, a rinsing unit a... | 08/19/2008 |
| 7370386 | Dual cleaning mode carpet extractor A carpet extractor (10) operable in either a restorative cleaning mode or a maintenance cleaning mode includes a constant rate pump (96) which dispenses clean solution through a manually operated valve (98) to one of two lines (100, 102) ... | 05/13/2008 |
| 7370575 | Crop re-hydration system carried by a large square baler Components of a crop re-hydration system are advantageously carried on free space of a large square baler. Specifically, a direct-fired steam generator is mounted at a rear location on the baler so as not to transfer heat to a hydraulic fluid supply tank located at ... | 05/13/2008 |
| 7371269 | Electromagnetic vibrating pump The object of the present invention is to provide an electromagnetic vibrating pump which can enhance dust collecting function, reduce the number of times of maintenance working and improve the rate of operation. The present invention is an electromagnetic vibrating... | 05/13/2008 |
| 7367083 | Suction nozzle assembly for a cleaning apparatus A cleaning apparatus for cleaning a surface in which cleaning solution is dispensed to the surface and substantially simultaneously extracted along with the dirt on the surface in a continuous operation is provided. The cleaning apparatus includes a housing and a re... | 05/06/2008 |
| 7367082 | Floor care appliance with a plurality of cleaning modes A floor care appliance is provided for cleaning bare surfaces such as tile, marble, linoleum and wood. The floor care appliance includes a port for the connection of an accessory hose and wand for off the floor cleaning. A variety of cleaning implements can be attac... | 05/06/2008 |
| 7363682 | Suction head for vacuum cleaner The present invention discloses a suction head for a vacuum cleaner, including a casing having a suction port for sucking alien substances from the floor, an agitator rotatably installed inside the suction port, a plurality of brushes being arranged on the agitator ... | 04/29/2008 |
| 7362064 | Control arrangement for a cleaning appliance A cleaner for cleaning a surface comprises a floor-engaging portion for moving along the surface. A magnet and a hall effect sensor located in the cleaner handle generates a control signal. The control signal is provided to a control circuit which controls one or mo... | 04/22/2008 |
| 7356873 | Highly efficient autonomous vacuum cleaner The invention provides a vacuum cleaner comprising in particular a structure mounted on transport members (R, R′) and carrying an electrically-driven turbine (T) for acting through a filter membrane (M) to establish suction in a collector (S) of particles picked u... | 04/15/2008 |
| 7356875 | Air exhaust system for a cleaning machine A cleaning machine for cleaning a surface in which cleaning solution is dispensed to the surface and substantially extracted along with the dirt on the surface in a continuous operation is provided. The cleaning machine includes an airflow source that produces an ai... | 04/15/2008 |
| 7337491 | Pressure washing system, components and methods According to certain embodiments of the invention, a pressure washing system delivers a cleaning fluid under pressure to a surface to be cleaned, and includes a fluid pump unit for supplying the fluid to the surface. A fluid collector captures wastewater runoff of t... | 03/04/2008 |
| 7331482 | Dispense pump with heated pump housing and heated material reservoir A heated dispense pump overcomes the limitations of conventional systems providing for reliable and efficient heating of the dispensed material in a system that is compact, lightweight, and accurate. A pump housing and cartridge body are formed of a thermally conduc... | 02/19/2008 |
| 7316049 | Apparatus and method for evacuating a liquid One version of the portable liquid-evacuation device may include: a container having a top wall, a bottom wall, a sidewall, a liquid inlet, a liquid outlet, and an air outlet, with the air outlet being connectable to a remote vacuum source; a pump positioned in the ... | 01/08/2008 |
| 7310852 | Valve assembly The invention relates to a valve assembly for use in connection with carpet cleaning extraction machines and similar extraction cleaning devices. The invention allows the intake of liquid and the mixing of different liquids in a mixing chamber, such as clean water w... | 12/25/2007 |
| 7308900 | Flat surface washing apparatus An engine and high pressure pump are mounted onto a wheeled chassis. High pressure water is distributed to a rotating wand and nozzle assembly on the wheeled chassis so that as the chassis is moved along a linear path, high pressure water is sprayed onto an underlyi... | 12/18/2007 |
| 7302170 | Heating device for smoke generator A heating device for a smoke generator includes at least one heating rod and a vaporization tube. The vaporization tube includes a longitudinal passageway. The vaporization tube coils around the heating rod and includes an end connected to an outlet of a pump of a s... | 11/27/2007 |
| 7293324 | Vacuum cleaner with level control A vacuum cleaner has a housing that includes a separation chamber and collection chamber, a floor unit with a suction opening, and a passage between the suction opening and separation chamber. A suction source establishes a stream of air from the suction opening to ... | 11/13/2007 |
| 7293572 | Cleaning equipment for cleaning a moving surface particularly in a paper machine Cleaning equipment for cleaning a moving surface particularly in a paper machine includes a washing head with a chamber in it opening onto the surface to be cleaned and nozzle elements arranged inside the chamber. The cleaning equipment also includes vacuum means an... | 11/13/2007 |
| 7293323 | Cordless safety vacuum A manual operated and battery powered device is provided for complete removal of liquid spills by use of both vacuum and blow-drying. The device provides a wheeled cart including a liquid-tight pan on which are retained one or move waste liquid receivers. An electri... | 11/13/2007 |
| 7290307 | Implement for removing pavement cleaner A pavement cleaning vehicle includes a tow vehicle and a trailer towed behind the tow vehicle that includes a vacuum head mounted to the trailer that consumes fresh water from a fresh water holding tank on the tow vehicle in rinsing underlying pavement. Pressurized ... | 11/06/2007 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 7281903 | Device for varying the pressure of the fluid delivered by a jet washer Device for varying the delivery pressure of a jet washer comprising a positive-displacement pump operated by a single-phase electric motor powered by alternating current and having a delivery nozzle of predetermined cross-section, and electronic means for controllin... | 10/16/2007 |
| 7272870 | Secondary introduction of fluid into vacuum system An apparatus and method for minimizing the accumulation of soil and debris within a vacuum system of a surface maintenance machine is disclosed. A secondary fluid, such as pressurized cleaning solution, is sprayed into the vacuum system in order to reduce soil and d... | 09/25/2007 |
| 7272869 | Ergonomic multi-functional cleaning machine The ergonomic multi-functional cleaning machine includes a fresh liquid tank, a waste recovery tank positioned atop the fresh liquid tank, and a vacuum source for enabling a soil-containing fluid to be vacuumed into the waste recovery tank. The machine further inclu... | 09/25/2007 |
| 7269879 | Solution distribution arrangement for a cleaning machine A portable cleaning apparatus for cleaning a surface is provided and includes a housing. A distributor is operatively connected to the housing for distributing solution to the surface. A first solution container is mounted to the housing and contains a first solutio... | 09/18/2007 |
