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| Number | Title | Issue Date |
| 8136742 | Telescoping pop-up sprinkler The telescoping pop-up sprinkler includes a telescoping piston assembly that allows the piston assembly of the pop-up to extend upwards at a greater height than the length of the pop-up sprinkler body. The telescoping pop-up sprinkler has a main body with a piston a... | 03/20/2012 |
| 7900851 | Pop-up spraying devices with a flexible stem Embodiments of the invention provide an irrigation pop-up with a flexible stem which may be a pulsating or conventional (i.e., non-pulsating) irrigation sprayer or sprinkler. The flexible stem enables an extended stem to be bent instead of being severed, as experien... | 03/08/2011 |
| 7823804 | Telescoping pop-up sprinkler The telescoping pop-up sprinkler includes a telescoping piston assembly that allows the piston assembly of the pop-up to extend upwards at a greater height than the length of the pop-up sprinkler body. The telescoping pop-up sprinkler has a main body with a piston a... | 11/02/2010 |
| 7819338 | Cam operated swimming pool cleaning nozzle A swimming pool cleaning head. Implementations may include a cleaning head assembly having a housing having a cam assembly with an upper section, a lower section, and a rotatable section disposed between the upper section and the lower section. A stem having an outl... | 10/26/2010 |
| 7708209 | Sprinkler to top riser and housing seal cartridge for gear drive sprinkler A riser seal cartridge for an irrigation sprinkler. The cartridge is formed of a rigid self support shell, and a sealing member formed of a resilient material covering the shell in areas which provide the seal. The sealing member includes a first portion which seals... | 05/04/2010 |
| RE40562 | Retractable telescoping fire sprinkler A retracting telescoping automatic fire sprinkler is disclosed. In a dry system, the sprinkler extends to its operating position under system pressure that is applied in response to a preaction signal. When system pressure is removed, as in after a test is completed... | 11/04/2008 |
| 7434747 | Internal particulate protective obstruction for sprinklers A sprinkler that restricts foreign particulate matter from interfering with and/or damaging the operating components of a sprinkler is disclosed. The sprinkler may be a pop-up sprinkler such that the outlet or nozzle is not in a fixed position and is moved from a po... | 10/14/2008 |
| 7360718 | Sprinkler housing with side inlet The invention is directed to a sprinkler body having a side inlet and improved strength and durability. The side inlet is reinforced with additional structure at a cylindrical wall defining the side inlet. The structure may include a reinforcement rib located within... | 04/22/2008 |
| 7322533 | Rotary stream sprinkler with adjustable deflector ring A sprinkler includes a riser having an inlet end and an outlet end. A nozzle is rotatably supported at the outlet end of the riser and has a plurality of circumferentially spaced, radially extending stream forming slots. An orifice member is removably mounted adjace... | 01/29/2008 |
| 7306170 | Lawn sprinkler flow control device and tool therefor A device for restricting water flow through a conduit in a landscape sprinkler system, wherein the conduit comprises a hollow pipe having an interior wall, the device comprising a generally rigid disc having an external periphery shaped to conform to the interior wa... | 12/11/2007 |
| 7303147 | Sprinkler having valve module with reciprocating valve seat A sprinkler includes an outer case and a riser mounted for reciprocation within the case. The riser supports a nozzle, an impeller, and a drive linkage connecting the nozzle and the impeller. A diaphragm valve is mounted in outer case beneath the riser and includes ... | 12/04/2007 |
| 7293721 | Check valve assembly for sprinkler head A check valve assembly has a coupling sleeve with a first end for connection to a pop-up or fixed sprinkler head and a second end for connection to a water supply, the coupling sleeve incorporating a valve seat. A disc valve is retained below the valve seat, and a s... | 11/13/2007 |
| 7287712 | Closed case oscillating sprinkler An oscillating sprinkler head transmission for alternately driving an output shaft and sprinkler head nozzle to oscillate it with spring bias being provided to prevent the transmission from being placed in an inoperative position, where the sprinkler head is not osc... | 10/30/2007 |
| 7287711 | Adjustable arc rotor-type sprinkler with selectable uni-directional full circle nozzle rotation A sprinkler includes a drive mechanism mounted in a riser that rotates a nozzle at the top of the riser. The drive mechanism enables a user to select between oscillation of the nozzle through an adjustable arc and uni-directional full circle rotation of the nozzle. | 10/30/2007 |
| 7261247 | Slip gear for geared sprinkler motor A slip-clutch assembly including a slip gear and clutch for a sprinkler motor of a sprinkler is disclosed for reducing damage to movable portions of the sprinkler is disclosed. The slip-clutch assembly allows at least a portion of a motor assembly or a sprinkler hea... | 08/28/2007 |
| 7234651 | Close-in irrigation spray head An improved irrigation spray head for use with pressurized water to produce a generally 360° spray pattern is provided. The spray head has a first channel that provides a water flow path in a generally vertical direction from the distal end of the spray head body t... | 06/26/2007 |
| 7232078 | Speed limiting for rotary driven sprinkler A speed limiting mechanisms for turbine-driven fluid distribution apparatus usable with compressible fluid such as compressed air and incompressible fluid such as water. Dynamic viscous damping of the turbine output power train is used to control the rotational spee... | 06/19/2007 |
| 7232081 | Spray nozzle with adjustable ARC spray elevation angle and flow An adjustable spray nozzle with adjustable arc of coverage as well as spray elevation angle and flow rate. A very simple adjustable arc of coverage spray nozzle configuration is also disclosed which may be easily assembled for a particular precipitation rate and/or ... | 06/19/2007 |
| 7226000 | Sprinkler having oscillating mechanism A sprinkler includes a housing disposed on a base, and a sprinkler tube coupled to a oscillating mechanism, for allowing the sprinkler tube to be rotated relative to the housing and the base by the oscillating mechanism, the oscillating mechanism includes a receptac... | 06/05/2007 |
| 7226003 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing A flow shut off or throttling valve is provided in a sprinkler nozzle housing to enable a nozzle to be changed without having to turn off a flow pressure source. The valve intersects a flow path through the nozzle housing and has an opening such that when the openin... | 06/05/2007 |
| 7215727 | Impulse noise detection from preamble symbols A communication device constructed according to the present invention detects impulse noise in a preamble sequence. In detecting impulse noise in the preamble sequence the communication device first receive a preamble sequence that includes a plurality of preamble s... | 05/08/2007 |
| 7191958 | Revolving lawn sprinkler A revolving lawn sprinkler comprises a rotary guide plate by which the water flow is so controlled as to actuate a lobed wheel, which in turn actuates a rotary disk via a transmission mechanism. A nozzle is mounted on the rotary disk and is provided with a movable j... | 03/20/2007 |
| 7191955 | Irrigation unit having a control system that performs a self-test and a cleaner that cleans the unit An irrigation unit (20) for irrigating an area (12) with a fluid (19) from a fluid source (18) includes a housing (200), a nozzle (220), one or more electronic components (221), and a unit control system (240).... | 03/20/2007 |
| 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 |
| 7156322 | Irrigation sprinkler unit with cycling flow rate An irrigation sprinkler unit includes a tubular housing enclosing a speed reducing drive which is driven by a water actuated turbine wheel and rotates a rotary nozzle head at a substantially slower speed. The drive also rotates a tubular valve member within an annul... | 01/02/2007 |
| 7143962 | Selected range arc settable spray nozzle with pre-set proportional connected upstream flow throttling A selected range arc settable spray nozzle with pre-set table precipitation rate in which the arc of coverage adjustment is coupled to an upstream flow throttling valve. As the arc of coverage is adjusted, the opening of the upstream flow throttling valve is proport... | 12/05/2006 |
| 7118086 | Pinch valve with inlet and outlet ports A pinch valve includes a body with a passageway extending therethrough, a flexible sleeve mounted within the body and surrounding the passageway, and a cavity between the sleeve and the body. An inlet opening provides control fluid flow into the cavity, while an out... | 10/10/2006 |
| 7104472 | Constant velocity turbine and stator assemblies A rotary sprinkler system for both above-the ground and pop-up rotary sprinkler systems that controls the rate of nozzle rotation is disclosed. To maintain a relatively constant and controlled nozzle rotation, one or more chamfered spokes are included on the turbine... | 09/12/2006 |
| 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 |
| 7090146 | Above-ground adjustable spray pattern sprinkler An above-ground sprinkler may have a head that rotates about an angle determined by the relative angles between a pair of arc adjustment rings. Rotation of the head may be driven by a drive mechanism with a rotor rotationally driven by fluid flowing to the head. The... | 08/15/2006 |
| 7086609 | Swinging lawn sprinkler A swinging lawn sprinkler including a sprinkling control unit with a gear-operated transmission mechanism attached to one side of a sprinkler mount. A limiting connector having a water outlet connector engaged at one side is correspondingly matched to the gear-opera... | 08/08/2006 |
| 7059539 | Motorized/manual monitor lift A telescoping waterway for adjusting the height of a firefighting monitor is disclosed. The telescoping waterway includes a hollow outer tube, a hollow inner tube within the hollow outer tube, and an actuator that moves the hollow inner tube relative to the hollow o... | 06/13/2006 |
| 7040553 | Rotor type sprinkler with reversing mechanism including sliding clutch and driven bevel gears A Pelton type turbine is mounted in a riser of a pop-up sprinkler for rotation about a horizontal axis and drives a central bevel pinion gear through a gear train reduction. Upper and lower bevel gears supported on a vertical drive shaft are simultaneously driven in... | 05/09/2006 |
| 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 |
| 7011041 | Self cleaning birdbath A self cleaning birdbath with a bowl (10) which is shaped for easy cleaning and fixed to a support pole (14) that has a water supply pipe (13) inside it, connected to a gear driven lawn sprinkler (12) with a converter nozzle (11), ... | 03/14/2006 |
| 6997393 | Pop-up irrigation sprinklers The pop-up irrigation sprinkler includes a pressure reducing valve, a spring-biased, pop-up riser, and a valve seal of unitary construction adjacent to the lower end of the riser having a valve body, a valve plug at the lower end of the valve body sealing the inlet ... | 02/14/2006 |
| 6971588 | Pop-up cleaning head for swimming pool and method A cleaning head for installation in a swimming pool floor fitting (9) includes a pop-up cylinder (5) having a plurality of first camming elements (44) disposed on its outer wall, a compression spring (6) disposed around it, and an outer c... | 12/06/2005 |
| 6959879 | Nozzle arrangement A nozzle arrangement which is suitable for use in the generation of a spray or aerosol and which is adapted for connection to a fluid supply, the nozzle arrangement including a fluid inlet through which fluid enters the arrangement from the fluid supply and fluid ou... | 11/01/2005 |
| 6957782 | Irrigation spray nozzle with two-piece color identifier and radially shaped orifice An exterior portion of the nozzle with a top side viewable from above the turf or ground surface mates with a base portion of the nozzle to define a nozzle orifice and a flow path leading to the nozzle orifice. The base portion has at least one projection that exten... | 10/25/2005 |
| 6929194 | Turbine speed control for rotary irrigation sprinklers In a turbine driven rotary irrigation sprinkler having a fixed stator with means for bypassing a portion of the water entering the sprinkler around the turbine so as to be able to adjust and control the rate of sprinkler rotation, the improvement of a rotatable stat... | 08/16/2005 |
