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| Number | Title | Issue Date |
| 7988071 | Lawn sprinkler A lawn sprinkler providing water distribution over an irregular or unique shaped water receiving area. The apparatus includes a water impeller, a first water regulator, a second water regulator, and a bypass channel. The sprinkler regulates the delivery of water acc... | 08/02/2011 |
| 7600699 | Sprinkler top with co-molded seal for riser and body A top for a pop-up type irrigation sprinkler that utilizes a riser that pops up from a stationary sprinkler body in accordance with an embodiment to the present invention includes a cap which is threadedly attached to the sprinkler body; a co-molded seal positioned ... | 10/13/2009 |
| 7594615 | Pop up sprinkler riser-clamp A handheld pop-up sprinkler riser-clamp for allowing sprinkler heads to be held in upright raised positions for maintenance work. A plastic block can have a side U-shaped cut-out with a continuous slot therebetween. A midportion of the U-shaped slot can have a widen... | 09/29/2009 |
| 7500619 | Method and apparatus for reducing the precipitation rate of an irrigation sprinkler A method and apparatus for reducing the effective precipitation rate of an irrigation sprinkler during an irrigation cycle without disrupting the supply of pressurized water from the source opening and closing the inlet to the sprinkler riser at timed intervals thro... | 03/10/2009 |
| 7392956 | Rotary sprinkler with arc adjustment guide and flow-through shaft A rotary sprinkler having an adjustable arc segment whose angular extent and absolute direction relative to the ground are represented by an arc indicator, which arc indicator may comprise a band whose visible length represents the angular extent and whose position ... | 07/01/2008 |
| 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 |
| 7318556 | Water line safety valve A safety valve for a lawn sprinkler system having at least one subterranean flow line and at least one head for spraying irrigation water. The valve includes a tubular member connected between the flow line and the head. The tubular member has an axial passage there... | 01/15/2008 |
| 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 |
| 7303153 | Side and corner strip nozzle A spray head provided with a plurality of nozzles defined by a base and a deflector cap. Each nozzle is provided with a deflector portion or nozzle plate for directing an upward traveling fluid in an outward direction. Furthermore, the deflector portion may be provi... | 12/04/2007 |
| 7303146 | Pipe fitting with length adjustment A length adjustable conduit has a hollow tubular body and a hollow tubular shaft coaxially disposed in fluid tight communication with the hollow tubular body. The conduit further includes an adjustment mechanism for adjusting the combined length of the tubular body ... | 12/04/2007 |
| 7296758 | Automatic lift faucet An automatic lift faucet includes a hydraulic cylinder vertically mounted under a working top, the hydraulic cylinder having an inlet. A lifting faucet is mounted in motion fitting connection within the hydraulic cylinder and includes an inlet and a faucet outlet. A... | 11/20/2007 |
| 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 |
| 7264177 | Methods, systems and apparatuses for automated irrigation and chemical treatment An automated irrigation and chemical treatment system comprising a user input device adapted to communicate with a control unit; a mixing chamber adapted to communicate with the control unit and connected to a water supply and chemical canisters, wherein each canist... | 09/04/2007 |
| 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 |
| 7240776 | Bottom valve apparatus of hydraulic shock absorber In a bottom valve apparatus in which a flow passage is formed in a bottom piece, a check valve opening and closing the flow passage is provided in one face side of the bottom piece, and a coil spring urging the check valve is fastened by a bolt and a nut which are p... | 07/10/2007 |
| 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 |
| 7216819 | Sprinkler head vegetation shield A sprinkler head vegetation shield that includes a sloping wall defined by a single-piece curved plate. A lip extends horizontally away from the wall along an upper perimeter thereof for supporting the shield adjacent a sprinkler head without attachment thereto. A n... | 05/15/2007 |
| 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 |
| 7191964 | Fire-fighting monitor with remote control A fire-fighting monitor for directing the flow of fluid from a fluid source includes a base, which is adapted to connect to a fluid source, and a monitor housing. The monitor housing includes an inlet and an outlet, with the inlet releasably mounted on the base and ... | 03/20/2007 |
| 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 |
| 7182275 | Traveling sprinkler structure comprising spray unit rotatable and adjustable in height A sprinkler structure comprises a support unit, a spray unit, and at least one fastening unit. A water pipe of the spray unit is uprightly supported by the support unit along with the fastening unit comprising a tubular seat, a press block, and a control lever. The ... | 02/27/2007 |
| 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 |
| 7152814 | Adjustable spray pattern sprinkler A sprinkler has a housing with an inlet portion and an outlet portion in which a first outlet aperture is formed. The first outlet aperture may cooperate with other outlet apertures to define a spiral shape. A cam is disposed upstream of the first outlet aperture. T... | 12/26/2006 |
| 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 |
| 7134507 | Method and apparatus for detecting a sprinkler actuation event A method of detecting the actuation of a sprinkler involves sensing a first fluid pressure at a first flow cross section, in one of the sprinkler and a conduit in which the sprinkler is mounted, sensing a second fluid pressure at a second flow cross section, in the ... | 11/14/2006 |
| 7121477 | Sprinkler system with relief and backflow preventer valve and warning system This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet... | 10/17/2006 |
| 7121478 | Side ingress height adjustable riser for a sprinkler A side ingress water supply conduit arrangement for use with a height adjustable riser for a sprinkler head that reduces labor required for installation of the water supply conduit. The housing of a height adjustable riser is modified to include an integrally molded... | 10/17/2006 |
| 7114665 | Sprinkler head protective guard A sprinkler head guard includes an inner casing that has a cylindrical shape, and vertically aligned top and bottom openings. A first coupling is conjoined to the inner casing and has a threaded inner surface. A second coupling has axially offset lower and upper end... | 10/03/2006 |
| 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 |
| 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 |
| 7025282 | Covered bubbler head for a drinking fountain A protective cover is provided for substantially enclosing and protecting a bubbler head of a drinking fountain or the like against contamination when water flow to the bubbler head is turned off. In one preferred form, when the water flow is turned on, the protecti... | 04/11/2006 |
| 7011254 | Lawn chemical application system A lawn chemical application system is disclosed. The system comprises a dispenser having a lower chamber, an upper chamber, an upstream opening, and a downstream opening. The dispenser may be formed by a tee connector and a cylinder secured to an upper opening of th... | 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 |
| 6942164 | Rotating stream sprinkler with turbine speed governor A rotating stream sprinkler of the type having a rotatable deflector with spiral vanes engaged by one or more water jets for imparting a rotary drive torque to the deflector, which converts the jets into a plurality of relatively small outwardly projected water stre... | 09/13/2005 |
| 6921029 | Method and apparatus for reducing the precipitation rate of an irrigation sprinkler A method and apparatus for reducing the effective precipitation rate of an irrigation sprinkler during an irrigation cycle without disrupting the supply of pressurized water from the source opening and closing the inlet to the sprinkler riser at timed intervals thro... | 07/26/2005 |
| 6899285 | Partially rotating above surface nozzle A protruding nozzle assembly, mounted in a side wall of a swimming pool in communication with a source of water, will eject through a nozzle of a nozzle housing a stream of water at a predetermined angle relative to the adjacent side wall surface. During each erecti... | 05/31/2005 |
