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| Number | Title | Issue Date |
| 8118242 | Wash arm retainer for warewasher A wash arm retainer for a warewasher having at least one wash arm with a plurality of nozzles and being in fluid communication with an adapter for receiving a flow of fluid, includes a housing defining a through bore and having a first end and a second end, a cam su... | 02/21/2012 |
| 8079533 | Rotating spray nozzle and method of manufacturing the same A rotating spray nozzle, comprising an elongate stem securable to a liquid-supply pipe, the stem defining a passageway therethrough for communicating a liquid from the supply pipe, the passageway communicating at least one inlet opening and at least one outlet openi... | 12/20/2011 |
| 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 |
| 7201238 | Low friction face sealed reaction turbine rotors Rotary jetting tool including a rotor with axially-opposed pressure-balanced mechanical face seals. Vented upper mechanical face seal enables the rotor to be operated with the relativity low starting torque achievable using reaction forces from offset jets energized... | 04/10/2007 |
| 7198456 | Floating head reaction turbine rotor with improved jet quality A rotary jetting tool including a pressure-balanced rotor, which is achieved using a vented volume. Axial movement of the rotor relative to the housing caused by pressure imbalances acting on the rotor selectively uncovers or opens a vent that places the volume in f... | 04/03/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7070123 | Mist evaporating device and method The water misting system includes a stationary member 3, 4 having a flow path therein for transmitting water, the rotary swivel 5 in fluid communication with the stationary member, and one or more conduits 6, 7 in communication with the stationa... | 07/04/2006 |
| 7063274 | Cleaning nozzle A nozzle for use in cleaning applications is provided. The nozzle has a rotatably supported nozzle body, on which one or more nozzle orifices are provided. The nozzle housing itself serves as the rotary drive, which is carried along by a fluid led into the housing w... | 06/20/2006 |
| 6889916 | Rotating spa jet with pin supported nozzle A rotating spa jet has a body and a nozzle. The body has an upstream end, a downstream end and a flow path defined between the upstream end and the downstream end. The nozzle is disposed within the flow path proximate to the downstream end of the body. The nozzle is... | 05/10/2005 |
| 6820822 | No leak seal system for irrigation wheel-drive gearbox A gearbox for a drive line irrigation system in which the input and output shafts of the gearbox are sealed with a compressed and sintered silicon and carbide face seal. The face seal is contained within the gearbox and compressed between a gearbox end cap and a sha... | 11/23/2004 |
| 6698669 | Pivot flow joint for high-pressure flow devices A pivot flow joint for high-pressure fluid-flow devices of the type including a rotating flow member connected to a non-rotating flow member. The pivot flow joint includes first and second axially-aligned seal bushings secured to the non-rotating and rota... | 03/02/2004 |
| 6691336 | High flow cyclone spa jet A spa jet for delivering water from an upstream source of water under pressure to the interior of a spa, the spa jet having a housing with an inlet tube communicating with the source of water and a chamber wall defining a generally cup shaped chamber. A r... | 02/17/2004 |
| 6662814 | Mid-level spray-arm assembly A mid-level spray-arm assembly for a dishwasher includes a bracket for mounting a spray-arm hub to an upper rack of the machine, and a bearing coupling extending between the hub and the bracket. The bearing coupling forms a first bearing surface for rotat... | 12/16/2003 |
| 6648242 | Oscillating high energy density output mechanism A mechanism that steers a high energy density output(s) in a shaking motion other than a rotating motion that when translated across a surface evenly affects the surface. One application can be used as an end effector. A pivot on the mechanism induces an ... | 11/18/2003 |
| 6641058 | Dishwasher spray arm hub and conduit assembly A dishwasher spray arm hub assembly includes a hub having a first central bore extending therethrough and a conduit feed extending therefrom. The conduit feed is in flow communication with the central bore and a venturi insert is disposed in the hub centr... | 11/04/2003 |
| 6622941 | Method and apparatus for cleaning jet pump nozzles A cleaning device for a jet pump nozzle in a nuclear reactor. The cleaning device includes a tubing section having a first end, a second end and a mid-section between the first end and the second end, a pole adapter coupled to the tubing section at the mi... | 09/23/2003 |
| 6601779 | Sprinkler bearing assembly A rotating bearing assembly for a sprinkler coupled to a pipe segment is disclosed. The bearing assembly has a stem which permits fluid flow. The stem has a bottom open end with a collar and a top open end which is connected to a cap. The cap allows conne... | 08/05/2003 |
| 6588679 | Wind-operated sprinkler feature A wind-driven decorative feature mounted inside the rotating head of an upright, standpipe-type sprinkler. The wind-driven device is mounted inside the sprinkler head for rotation independent of the rotation of the spray tubing portion of the sprinkler he... | 07/08/2003 |
| 6565668 | Method and device for the cleaning of animal stalls The device relates to a method for the cleaning of animal stalls, which have a number of spaces that are to be cleaned by means of an automatic clean device. The method is characterized by the steps of (a) positioning the device in a parking position, in ... | 05/20/2003 |
| 6533190 | Sprayer having 3 dimensional water screen A sprayer. An annular tube is installed at a water outlet of a water main tube. The annular tube is installed with spraying holes. The annular tube is formed with at least one annular tube. The surface of the annular tube is installed with spraying holes.... | 03/18/2003 |
| 6513730 | MEMS-based spinning nozzle A nozzle body and assembly for delivering atomized fuel to a combustion chamber. The nozzle body is rotatably mounted onto a substrate. One or more curvilinear fuel delivery channels are in flow communication with an internal fuel distribution cavity form... | 02/04/2003 |
| 6481885 | Hydrodynamic stirring device and lance A hydrodynamic stirring device which dissolves, mixes or puts back into suspension or into a "sol" in a primary liquid phase, a deposited sediment which is contained in a tank and covered by the primary liquid phase. The stirring device includes a suction... | 11/19/2002 |
| 6439478 | Adapter for upright sprinkler with rotating head An adapter for rotatably connecting a sprinkler head to a water-transporting standpipe having a cylindrical upper end. The adapter includes three parts: a cup-like base adapted to rest on the upper end of the standpipe in sealed fashion, a male stem adapt... | 08/27/2002 |
| 6347751 | Swivel lawn sprinkler A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end... | 02/19/2002 |
| 6325303 | Structure of swivel lawn sprinkler A swivel lawn sprinkler includes a mounting rack for mounting, a water tube vertically connected to the mounting rack by a hose connector and adapted to receive water from a water source through the hose connector, a pipe connector fastened to the top end... | 12/04/2001 |
| 6109546 | Lawn sprinkler and bearing therefore A lawn sprinkler and bearing therefore is provided. The lawn sprinkler has first and second rotatable sprinkler elements supported on a support stand. The bearing allows the sprinkler elements to rotate in opposite directions to evenly distribute fluid ov... | 08/29/2000 |
| 6098642 | Counter revolution sewer cleaning nozzle A counter-rotating sewer cleaning nozzle to provide improved efficient cleaning of interior surfaces of sewer lines. The counter-rotating sewer cleaning nozzle is comprised of a hose connector on one end and nose cone on the opposite end and retaining bet... | 08/08/2000 |
| 6044853 | Batch type dish washing machine with free floating spray arm assemblies A batch type dish washing machine having spray assemblies supported for rotation on special bearings. Each spray assembly has a spray base through which a pedestal extends to provide a rotational axis. A rotary hub has a bearing compartment which houses a... | 04/04/2000 |
| 6015098 | Connector for lawn sprinkler The invention provides a connector for a rotatable lawn sprinkler mounted on a cylindrical stand pipe, and comprises two cylindrical members arranged co-axially with respect to the longitudinal axis of the stand pipe. A cylindrical sleeve, as the female m... | 01/18/2000 |
| 5810257 | Rotary spa jet A rotating nozzle for use in whirlpools, spas, baths, pools and the like is disclosed wherein a nozzle comprising a rotating head and integral cylindrical pipe-shaped inlet is mounted directly within a mounting bracket using a ball bearing assembly. Inner... | 09/22/1998 |
| 5810262 | Spa jet with interchangeable nozzles A discharge jet assembly for spas including a rear wall fitting, an orifice cap closing the rear wall fitting, and a jet body rotatably mounted within the wall fitting. The rear wall fitting includes a cylindrical central cavity and a vertically disposed ... | 09/22/1998 |
| 5727581 | Dishwasher spray-arm assembly A spray-arm assembly comprises a convergent base section having a bell mouth, a throat section, and a cylindrical housing that extends axially along the periphery of the throat section, a lower cylindrical conduit section and an upper cylindrical conduit ... | 03/17/1998 |
| 5725002 | Dish washing machine having interchangeable top and bottom spray arms A dish washing machine having upper and lower spray assemblies with separate spray arms and separate water supplies for washing and rinsing dishware. A spray base for each spray assembly segregates recycled wash water from clean incoming rinse water. A ho... | 03/10/1998 |
| 5685487 | Compact high pressure forward jetting spinning nozzle for cleaning A high pressure spinning nozzle for cleaning material from a surface such as the inner walls of a heat exchanger tube, for example, includes a tubular body having an open front end and a plug in its rear end, a rotor in the body bore having an internal fl... | 11/11/1997 |
| 5657782 | Septic tank flush A header, a rotating head and a base piece are sequentially mounted on the end of a stand pipe. Water hoses attach to threaded connections in the header. Channels in the header and rotating head supply water from the water hoses to number of passages, tha... | 08/19/1997 |
| 5620250 | Jet mixer having a self-centering liquid bearing hub arrangement A jet mixer having a hub arrangement for facilitating the rotation of an impeller mounted to the hub. The hub receives fluid from a hollow conduit to provide a liquid bearing. The hub includes a sleeve member that is axially self-centering and rotatable o... | 04/15/1997 |
| 5609174 | Sealed wash arm bearing A wash arm hub for a dishwasher includes a sealed bearing rotatably coupling first and second mounting hub members. The sealed bearing, as well as the first and second hub members, define an interior fluid passageway or chamber to permit fluid to flow thr... | 03/11/1997 |
| 5505380 | Animal-patterned sprinkling device An animal-patterned sprinkling device includes a left and right animal-shaped housing halves, a water tube, several fitting washers, a fixing washer, upper and lower semispheric water discharging members and several sprinkling heads. At a top end and a bo... | 04/09/1996 |
| 5501396 | Mobile cyclonic power wash system with water reclamation and rotary A cyclonic power wash system uses high pressure, high temperature water for selectively cleaning large, flat, concrete or asphalt surfaces. The sprayed water is reclaimed by vacuuming it through holes in the bottom of a reclamation ring attached to the un... | 03/26/1996 |
| 5456412 | High pressure surface washing device A high-pressure surface-washing device has a frame (6) with adjustable-height wheels (17), a spray nozzle (15, 16 and 74) on at least one rotary spray arm (10, 11, 63 and 64) on a rotary axle (9 and 47) positioned on a bottom surface of the frame (6), a f... | 10/10/1995 |
