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| Number | Title | Issue Date |
| 7255291 | Multifunctional sprinkler structure A multifunctional sprinkler structure comprises a water motor having an outlet seat and a top cover mounted to a top-end side, and two adjusting seats and a water supply seat assembled onto a bottom-end side. The bottom-end side of the water motor has a guide groove... | 08/14/2007 |
| 7234652 | Double curved surface deflector system for rotary sprinklers The present invention is a double curved surface deflector system for rotary sprinklers providing for a 360-degree rotation using both clockwise and counterclockwise movements. A spray coupler directs water in forward and rear directions. The forward direction is de... | 06/26/2007 |
| 7225818 | Water spraying device and system for dishwashers Water spraying systems for a dishwasher including water spraying devices for mounting on the ceiling, dish rack and a rotating spray arm of a dishwasher for effectively spraying water throughout the dishwasher cabinet. The device includes a housing on which a spinne... | 06/05/2007 |
| 7216817 | Impact sprinkler drive system An impact sprinkler drive is provided by an impact arm or spoon that rotates out of and counter-rotates into a water stream to impact and forward re-align a water emission portion from which the water stream emits. The impact arm is designed to, upon sufficient rota... | 05/15/2007 |
| 7168634 | Debris resistant collar for rotating stream sprinklers A sprinkler head having a deformable member forming a collar is disclosed. The deformable member allows the sprinkler head to resist entry of foreign grit or matter within the sprinkler head, and allows the sprinkler head to eject or force out foreign matter from wi... | 01/30/2007 |
| 7159795 | Adjustable arc, adjustable flow rate sprinkler A sprinkler head includes a base; an arc adjustment ring; a nozzle and a stream deflector supported by an elongated stem carried by the base, the nozzle and the stream deflector cooperating to define an adjustable nozzle orifice; a water distribution plate secured t... | 01/09/2007 |
| 7070122 | Wobbling sprinkler head A wobbling irrigation sprinkler head for attachment to a water conduit has a wobbling sprinkler head facing upward from the water supply conduit. The sprinkler head has a base having an attachment portion for attaching to a water source and a nozzle mounted to the b... | 07/04/2006 |
| 7066404 | Sprinkler spray shield A spray shield apparatus for shielding against spray from a sprinkler head and which can be quickly and easily attached and detached from a sprinkler standpipe or riser. The spray shield apparatus (20) has a semi-cylindrical body (22) enclosed within a... | 06/27/2006 |
| 7048208 | Pop-up sprinkler including water spray diverter A pop-up sprinkler includes a base member positionable above a ground surface and a sprinkler head having a substantially cylindrical conduit provided with a proximal end portion in fluid communication with a water supply source. The sprinkler head further has a dis... | 05/23/2006 |
| 6932279 | Wobbling sprinkler head A wobbling sprinkler head has a sprinkler head main frame having a nozzle base having a nozzle therein and at least one arm extending therefrom supporting a deflector supporting base. The nozzle base is attached to a water supply and has a water inlet for directing ... | 08/23/2005 |
| 6808129 | Spraying device for lawn sprinkler A spraying device for a lawn sprinkler is equipped with a circular base mount, a coupling board, a rotary sprinkling cover, a central flexible control piece and a water sprinkling blade assembly wherein the center of the circular base mount is disposed a water outle... | 10/26/2004 |
| 6796273 | Switching current water director (SCWD) for aquariums The present invention relates to a water director for distributing a surge or flow of water to one or more of a plurality of output ports, which can vary in shape, size, and number, typically for use in marine and fresh water aquariums. Water pumped through a condui... | 09/28/2004 |
| 6651905 | Adjustable arc, adjustable flow rate sprinkler A sprinkler head includes a base having a lower and adapted for attachment to a sprinkler system component; an elongated steam supported within the base; a nozzle and a fixed deflector supported within the stem, the nozzle and deflector cooperating to def... | 11/25/2003 |
| 6607147 | High volume sprinkler automated arc changer An actuator assembly for a rotatable sprinkler head includes a base supported for rotation on a stationary platform assembly, a hub mounted for rotation on a shaft supported in the base; a lever arm pivotally mounted at one end to the hub and extending do... | 08/19/2003 |
| 6478237 | Enclosed pop-up sprinklers with shielded impact arms A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed with a relatively upper shaft portion and a relatively low... | 11/12/2002 |
| 6439477 | Nutating sprinkler A nutating sprinkler assembly includes a sprinkler body having one end adapted to be coupled to a water supply conduit and an opposite end supporting a nozzle; at least one arm extending from the sprinkler body for supporting a removable cap assembly down... | 08/27/2002 |
| 6360965 | Fluid delivery from a spray head having a moving nozzle The present invention provides a spray head assembly with a moving spray nozzle that delivers fluid in a substantially uniform spray distribution. The movement of the spray nozzle is a wobbling motion, preferably combined with some rotational motion. The ... | 03/26/2002 |
| 6348347 | Fine algae culture device This invention relates to a culture device of a domed shape, a conical shape, or a cylindrical shape of a closed type used for culture of microalgae, and a gas discharge device set so as to be movable in the culture device. The culture device is basically... | 02/19/2002 |
| 6332581 | Rotary sprinkler nozzle A sprinkler nozzle for a rotary sprinkler comprises two water flow passages extending therethrough, namely an upper passage and a parallel lower passage. The upper passage includes a straight, substantially cylindrical bore having stream straightening van... | 12/25/2001 |
| 6209801 | Closed-case impact sprinklers with fitted fluid seal assemblies A dirt-resistant bearing system for a sprinkler unit with a rotatable turret having a central shaft extending into a support channel formed within an inner housing. The central shaft may be formed with a relatively upper shaft portion and a relatively low... | 04/03/2001 |
| 6199771 | Single chamber spray head with moving nozzle The present invention provides a fluid discharging apparatus that delivers fluid in a substantially uniform distribution. The movement of the apparatus is a wobbling motion, preferably combined with some rotational motion. The wobbling motion is generated... | 03/13/2001 |
| 6138925 | Texturizer dispensing apparatus A dispensing apparatus for throwing discrete quantities of a viscous fluid material from a material source toward a target surface includes a housing having a material entry structure for connection to the material source, a material exit structure and a ... | 10/31/2000 |
| 6000634 | Irrigation sprinkler An irrigation sprinkler having a tubular housing having an inlet and adapted to be coupled to a water supply source and an outlet and in which is located an outlet nozzle including a sprinkler outlet. The housing accommodates flow control means coupled at... | 12/14/1999 |
| 5992760 | Impact sprinkler unit A sprinkler device for distributing water comprising a body, a nozzle, a nozzle housing rotatably and slidably mounted in the body, a fluid flow interrupter for intermittently redirecting the stream of fluid exiting from the nozzle, an interrupter drive, ... | 11/30/1999 |
| 5984203 | Rotary water sprinkler A rotary sprinkler including a water discharge assembly having a water discharge outlet for discharging water laterally of the sprinkler, and a connecting passageway fluidly coupling the inlet to the water discharge outlet. The water discharge assembly is... | 11/16/1999 |
| 5971297 | Sprinkler with nozzle venturi A sprinkler includes a sprinkler body having an inlet end and an outlet end, the outlet end having a nozzle with a discharge orifice; the nozzle surrounded by an outer wall forming an annular chamber radially spaced from the discharge orifice. A rotor pla... | 10/26/1999 |
| 5964413 | Apparatus for dispensing slurry A slurry dispenser dispensing slurry by a rotating wheel is provided in a chemical-mechanical polishing process used in manufacturing integrated circuits. The slurry dispenser is driven by a variable speed motor at a predetermined speed empirically determ... | 10/12/1999 |
| 5372307 | Rotary sprinkler stream interrupter A sprinkler includes a stationary body portion including a fixed nozzle, and a rotatable rotor plate mounted in a hub in vertically spaced relationship to the nozzle. The rotor plate is adapted to receive and redirect a stream emitted from the nozzle. The... | 12/13/1994 |
| 5267689 | Rotary sprinkler head having individually-adjustable deflector plates for watering irregularly-shaped areas A deflector cap for use in connection with a conventional pop-up or other type of rotary sprinkler head is held in a fixed angular position with respect to the sprinkler head housing by means of a downwardly extending rod that slides within a tube fixedly... | 12/07/1993 |
| 5226599 | Flush sprinkler A flush sprinkler has a sprinkler unit raisable and lowerable in hydraulic manner in a shaft and, several nozzle units, which, as required, can be switched into a sprinkling state with an upper nozzle selecting handle and whose nozzle jets can be modified... | 07/13/1993 |
| 5098021 | Oscillatable nozzle sprinkler with integrated adjustable arc and flow An oscillatable nozzle sprinkler has a primary valve for controlling flow through a nozzle in a nozzle housing. An arc set control sets a desired angle of oscillation of the nozzle housing. An integrated system is set forth so that when a desired angle of... | 03/24/1992 |
| 4978070 | Pulsating sprinkler A pulsating sprinkler incorporating a three-position trip mechanism facilitating forward/reverse rotation and continuous rotation. The trip mechanism includes a trigger for reversing direction of rotation of the sprinkler, a latch for engaging an impact a... | 12/18/1990 |
| 4907742 | Impulse sprinkler with deflector An impulse sprinkler includes a base and a main body having a nozzle for dispensing water. The main body also includes a frame defining a window. The main body is pivotably mounted on the base so that the main body can rotate about a vertical axis. The sp... | 03/13/1990 |
| 4813606 | Pulsating sprayer An oscillating sprayer for spraying water on surrounding areas including a cylindrical main body and a support for rotatably supporting a lower part of the main body. An inclined nozzle extends radially outwardly and upwardly from the main body and an adj... | 03/21/1989 |
| 4796811 | Sprinkler having a flow rate compensating slow speed rotary distributor A rotary sprinkler head comprising a sprinkler body having an outlet defined by a selected nozzle for directing water under pressure communicated therewith into an atmospheric condition in a primary stream having a generally vertically extending axis. A r... | 01/10/1989 |
| 4632312 | Impact drive sprinkler An impact drive sprinkler is provided from a relatively small number of easily assembled components which can be formed predominantly from lightweight molded plastic or the like. The sprinkler includes a unitary sprinkler body having a lower riser tube ro... | 12/30/1986 |
| 4621507 | Distributing device for suspensions A simple and easy to construct distributing apparatus is provided for distributing of suspensions, such as paper pulp, into a treatment vessel such as a bleach tower. The vessel has an inlet opening in a wall thereof, and a rotatable shaft has a first end... | 11/11/1986 |
| 4597528 | Lawn sprinkler A lawn sprinkler has a base 10 through which water is directed to a nozzle which directs the water vertically upwardly onto a water dispersing member 28 which is rotatably mounted on a vertical spindle 46. The water impinges first upon a convexly curved s... | 07/01/1986 |
| 4501391 | Hose end pattern sprinkler A hose end pattern sprinkler has a sprinkler housing supported on a base with a hose end coupling for connecting a garden type hose to a water inlet of the housing, a pressure regulator having an inlet pressure balanced valve member which is adjustable ex... | 02/26/1985 |
| 4484709 | Sprinkler deflector A sprinkler deflector including a generally flat, elongate base and upwardly and outwardly V-shaped deflector arms is mounted between a sprinkler head and a riser via a hole in the elongate base. The V-shaped deflector arms deflect water from the sprinkle... | 11/27/1984 |
