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| Number | Title | Issue Date |
| 7954731 | Low flow sprinkler A rotary impact sprinkler is disclosed having a nozzle connected to a housing and a discharge deflector member connected to a rotatable shaft assembly without a dynamic seal between the nozzle and the deflector. The sprinkler may be provided with different nozzles a... | 06/07/2011 |
| 7841545 | Impingement sprinkler with adjustable outflow angle The present invention provides an impingement sprinkler with adjustable outflow angle. The invention includes a main body, at a lower side of which there is an inflow tube coupling end, and at upper side of which there is an upper frame. An outlet coupling portion i... | 11/30/2010 |
| 7458527 | Revolving sprinkler A revolving sprinkler comprises a rotatable turret assembly revolving around a rotation axis and formed with mouthpiece(s) suited to sprinkle liquid under pressure. The revolving sprinkler accommodates exchangeable mouthpieces with different throughputs-nozzle to ro... | 12/02/2008 |
| 7419105 | Spray oscillating control apparatus for sprinklers A spray oscillating control apparatus for sprinklers is equipped with a sprinkling control assembly to swing a spray body into different angles wherein a gear train assembly with an impeller is mounted into the sprinkling control assembly and work in linking mechani... | 09/02/2008 |
| 7252246 | Oscillating sprinkler with pattern select feature An oscillating sprinkler having a pattern select feature. The sprinkler includes, in one embodiment, a tubular member having a plurality of spaced apart longitudinal slots thereon and an end portion having the same plurality of apertures therein. A plurality of lume... | 08/07/2007 |
| 7222643 | Internal post flow control A flow control including an annular flexible member and an internal post disposed downstream of the flexible member is described. The annular flexible member has a deflectable inner edge that defines a passage channel and the annular flexible member and internal pos... | 05/29/2007 |
| 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 |
| 7185833 | Method for fluid jet formation and apparatus for the same A nozzle having a housing and an assembly including at least two conjugated parts separated by a spacer seal. The assembly is arranged in the housing so as to form a nozzle outlet. At least one of he housing, the parts, and the spacer seal are deformable so as to de... | 03/06/2007 |
| 7097116 | Underground sprinkler with pop-up head An underground sprinkler with a pop-up head and a corresponding underground casing has two differentiated cylindrical parts, closed by a corresponding cover fixed to the pop-up sprinkler head, which, being a part coupled to the piston, pops-up due to the effect of t... | 08/29/2006 |
| 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 |
| 7051952 | Irrigation system The invention relates to an irrigation system particularly for plant cultures comprising an irrigation arm which can be pivoted in a horizontal angle region around an essentially vertical axis, a water jet exiting from the front thereof. According to the invention, ... | 05/30/2006 |
| 7032836 | Adjustable arc, adjustable flow rate sprinkler A sprinkler head includes a base; an elongated stem having an inlet supported within the base; a nozzle and a stream deflector supported within the stem, the nozzle and stream deflector cooperating to define an arcuate orifice; a water distribution plate supported o... | 04/25/2006 |
| 7024826 | Device for impeding a route of travel of crawling arthropods A barrier implement intended for obstructing a route of travel of crawling arthropods along a passageway comprises a sheet configured to circumscribe a passageway along which arthropods crawl. A dimension of the sheet is sized or molded relative to said passageway. ... | 04/11/2006 |
| 7014125 | Sprinklers A rotary sprinkler (10) including a water inlet, a water outlet arranged for rotation about a rotation axis (14), a water director associated with the water outlet and a watering pattern determiner associated with at least one of the water outlets and ... | 03/21/2006 |
| 6962299 | Nozzle deflector element A water deflector for use with a nozzle is disclosed. The nozzle has a water channel including a water inlet and a mouth from which water is dispersed. The water deflector comprises a shaft for passing through the water channel of the nozzle, the shaft having a lowe... | 11/08/2005 |
| 6651904 | Multi-jet watering nozzle with counter-rotating elements for underground pop-up sprinkler A watering nozzle (16) for underground pop-up sprinkler (1) comprises a bottom part (17) and a top part (37) comprising a distribution cylinder (40). The bottom part (17) is provided with an annular opening (100) that receives the flow of water coming fro... | 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 |
| 6494385 | Controlling device for rotating sprinkler A controlling device for a rotating sprinkler is composed of a sleeve (10), a compressing block (21), a spring (22), a controller (23), a rotator (24), a cushion (25), and a shelter ring (26). The rotator (24) rotates with a rotating sprinkler (50) synchr... | 12/17/2002 |
| 6494384 | Reversible and adjustable part circle sprinkler A sprinkler head includes a fixed nozzle; and a rotor plate spaced from the nozzle and mounted for rotation about an axis extending through the nozzle, and mounted for tilting movement about a horizontal axis. The rotor plate has adjacent water distributi... | 12/17/2002 |
| 6360966 | Rotary sprinkling head structure of sprinkling gun A rotary sprinkling head structure of a sprinkling gun including a gun body, an anti-detachment ring, an inner cap, and a rotary cap. The front end of the sprinkling head of the gun body is disposed with a variable water discharging head and an outer stop... | 03/26/2002 |
| 6138924 | Pop-up rotor type sprinkler with subterranean outer case and protective cover plate A sprinkler unit of the type that includes an impact drive sprinkler vertically reciprocable inside a subterranean can or case is modified to incorporate a modern pop-up rotor-type sprinkler. The rotor-type sprinkler has a lower retraction spring retainer... | 10/31/2000 |
| 6095432 | Irrigator capable of angular movement about an axis of orientation and having interchangeable nozzles A fixed part and a mobile part. The mobile part includes a pipe head offering a curved path with an initial portion that commences axially and is deflected to form a final portion having a certain inclination. The inclined final portion is very short and ... | 08/01/2000 |
| 6079501 | Outdoor fire prevention system A fire prevention device that allows a fire prevention fluid obtained from a fluid source to flow therethrough when subject to a melting temperature includes a housing having a fluid inlet and a fluid outlet. A conduit is disposed between the fluid inlet ... | 06/27/2000 |
| 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 |
| 5718381 | Sprinkler for discharging a fluid In a circular sprinkler, as a result of an intermediate gear, the turbine wheel runs muck faster than the jet splitter operating upstream thereof in the flow direction and also constructed as a turbine rotor, so that the sprinkler starts substantially ind... | 02/17/1998 |
| 5647541 | Water flow control device for rotary sprinkler A fluid flow regulator readily attachable between a rotary sprinkler and a fluid conduit for regulating the water flow and pressure to the sprinkler to irrigate an irregular pattern such as a square. The regulator icludes a body having a streamlined chann... | 07/15/1997 |
| 5622316 | Self-adjusting jet breaker for impact sprinklers A self adjusting jet breaker device for impact sprinklers having a spout connected to a pressurized water supply line using a rotary coupling, a terminal nozzle for generating a water jet, and an oscillating arm having a baffle. The device is arranged on ... | 04/22/1997 |
| 5370311 | Sprinkler A sprinkler includes a main body, a head part, a bracket and a swinging arm. The head part has two outlets disposed therein and the bracket has an extending strip disposed thereon and is disposed above an upper end of the head part. The extending strip ha... | 12/06/1994 |
| 5353989 | Rotating impact sprinkler A rotating impact sprinkler comprising a device for connecting the pressurized water column to a rotating joint which supports a rotating assembly which is formed by a tubular body with a nozzle for generating a jet, an oscillating arm and deflection elem... | 10/11/1994 |
| 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 |
| 5238188 | Sprinkler An impact drive sprinkler including a body defining a nozzle arranged to provide a stream of pressurized liquid; spring loaded stream deflector and hammer apparatus for intermittently engaging the stream and providing in response to the engagement a force... | 08/24/1993 |
| 5209404 | Speed adjustment device for a splatter arm in a garden sprinkler A novel speed adjustment device for control of the operation frequency of the splatter arm in a sprinkler adapted for watering a garden or a lawn. The speed adjustment device is provided with an adjustment knob which is disposed on top of a bias spring in... | 05/11/1993 |
| 5172864 | Rotary sprinkler A rotary sprinkler of the kind wherein an outlet nozzle having an integrally formed impeller element is adapted to be driven by a drive ball located within a drive ball enclosure wherein a first major axial portion of the side wall extends from the base w... | 12/22/1992 |
| 5098020 | Adjustable oscillating wave-type sprinkler An adjustable oscillating wave-type irrigation sprinkler having an impact or impulse drive type mechanism for effecting side-to-side oscillation by a spray tube about a horizontal axis, the drive mechanism including a pair of drive spoons coupled to impac... | 03/24/1992 |
| 5090621 | Constant drive nozzle for impulse irrigation sprinklers A constant drive nozzle for use in combination with an impulse or impact drive sprinkler includes a tubular nozzle body with a drive orifice and a range orifice formed in its outlet end. The stream issuing from the nozzle is formed into a drive stream por... | 02/25/1992 |
| 5052620 | Long-range water sprinklers A rotary water sprinkler includes a plunger reciprocatable within the nozzle to restrict and englarge the nozzle throat so as to enable larger size nozzles to be used for obtaining a larger range, while the reciprocating plunger cyclically restricts and e... | 10/01/1991 |
| 5031835 | Sprinkler arm Disclosed is an improved sprinkler arm rotatable in and out of a stream of water. In particular, the reaction surface of a sprinkler arm's spoon is improved to direct more water close to the sprinkler. The reaction surface in the preferred embodiment is p... | 07/16/1991 |
| 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 |
| 4971256 | Sprinkler device A rotary sprinkler device having a fluid inlet adapted to be secured to a water line, a nozzle head defining a plurality of differently configured or sized outlet orifices therein, a body member disposed between the fluid inlet and the nozzle head, a bear... | 11/20/1990 |
| 4964572 | Rotary sprinkler A rotary sprinkler includes a rotably-mounted sprinkler head, an oscillating arm for impacting the sprinkler head to impart a rotary motion thereto, a spring urging the oscillating arm in one direction, and a reaction member carried by the oscillating arm... | 10/23/1990 |