| Patent Number |
Title Of Patent |
Date Issued |
| RE33823 |
Rotary sprinkler head |
February 18, 1992 |
| A rotary sprinkler head comprising a sprinkler body devoid of any operative dynamic seals for communicating a source of water under pressure with an outlet for directing water under pressure communicated therewith into an atmospheric condition in a primary stream having a generally verti |
| D312865 |
Sprinkler water distributor |
December 11, 1990 |
|
| D297453 |
Drive spoon for a reversible impulse sprinkler |
August 30, 1988 |
|
| D259438 |
Sprinkler head |
June 2, 1981 |
|
| 7401622 |
Modular pressure regulator |
July 22, 2008 |
| A pressure regulator assembly comprising: a regulator body having a housing, an inlet portion at one end of the housing and a cap at an opposite end of the housing, the inlet portion and the cap in substantially coaxial alignment along a regulator body axis; a pressure regulator modu |
| 7370667 |
Flow through pressure regulator with pinch valve |
May 13, 2008 |
| A fluid pressure regulator includes a regulator housing having an inlet end and an outlet end; a flexible flow tube extending between the inlet end and the outlet end; a hollow piston located at a downstream location relative to a mid-portion of the flow tube in a direction of flow of |
| 7300004 |
Traveling sprinkler incorporating automatic water supply valve docking station |
November 27, 2007 |
| A docking station module for fluidly connecting a mobile irrigation apparatus to a stationary hydrant water supply valve mounted on a water supply pipe, the module comprising a hydrant valve actuator resiliently suspended from a frame for floating movement in at least three mutually |
| 7287710 |
Sprinkler with magnetic nutating mechanism and related method |
October 30, 2007 |
| A sprinkler head includes: a body assembly including an adapter, a nozzle, a spindle and a first magnet, the spindle supporting a spool having a pair of axially-spaced radially-oriented spool flanges; a nutating cage loosely mounted on the spindle, between the radial flanges of the spool |
| 7240860 |
Water distribution plate for rotating sprinklers |
July 10, 2007 |
| A rotor plate for a sprinkler includes a water impingement surface bounded by an annular peripheral wall and having a radial center, and adapted to be impinged upon by a stream emitted from a nozzle. The water impingement surface is formed to include at least one radially extending drive |
| 7168444 |
Flow through pressure regulator with pinch valve |
January 30, 2007 |
| A fluid pressure regulator includes a regulator housing having an inlet end and an outlet end; a flexible flow tube extending between the inlet end and the outlet end; a hollow piston located at a downstream location relative to a mid-portion of the flow tube in a direction of flow of |
| 7159795 |
Adjustable arc, adjustable flow rate sprinkler |
January 9, 2007 |
| 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 to a shaft and located |
| 7143957 |
Two-axis full-circle sprinkler with bent, rotating nozzle |
December 5, 2006 |
| A sprinkler device includes a sprinkler body having a longitudinal center axis, an inlet at one end and an outlet at an opposite end. A rotatable nozzle is supported within the body and defines a first flow path lying on the longitudinal center axis and a second flow path terminating at |
| 7140595 |
Pressure regulator with single strut regulator seat |
November 28, 2006 |
| A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow control end and a |
| 7140563 |
Linear-feed irrigation apparatus and related method |
November 28, 2006 |
| A linear water feed apparatus for use in agricultural irrigation includes a linear-move machine with a mobile truss assembly supporting a plurality of individual sprinklers and adapted for movement in a specified direction across a field to be irrigated. The truss assembly is oriented |
| 7100842 |
Two-axis full-circle sprinkler |
September 5, 2006 |
| A sprinkler device comprising a sprinkler body having a longitudinal center axis, an inlet at one end and an outlet nozzle at an opposite end; and a rotor plate supported axially spaced and laterally offset from the outlet nozzle; the rotor plate mounted for orbital motion about the |
| 7086608 |
Shaft seal with grease retainer |
August 8, 2006 |
| A seal arrangement for a rotatable shaft that is secured at one end thereof in a housing, and that mounts a water distribution plate on an opposite end thereof, the shaft seal comprising a flexible annular member having a radially inner portion including at least one tapered lip exte |
| 7048001 |
Pressure regulator with single strut regulator seat |
May 23, 2006 |
| A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow control end and a |
| 7032836 |
Adjustable arc, adjustable flow rate sprinkler |
April 25, 2006 |
| 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 on one end of a sha |
| 7025287 |
Shaft seal with grease retainer |
April 11, 2006 |
| A seal arrangement for a rotatable shaft that is secured at one end thereof in a housing, and that mounts a water distribution plate on an opposite end thereof, the shaft seal comprising a flexible annular member having a radially inner portion including at least one tapered lip exte |
| 6997406 |
Hose weight with ballast |
February 14, 2006 |
| A weight component for an irrigation drop tube includes an elongated, hollow core sleeve, the core sleeve having a radially outwardly directed shoulder at one end connected to a radially outer skirt. A weight sleeve is supported at one end by the shoulder, inside the outer skirt, such |
| 6920907 |
Apparatus for forming agricultural drip tape |
July 26, 2005 |
| A process for forming irrigation drip tape includes, broadly, the steps of a) supplying a longitudinally continuous strip of flexible plastic material in a first direction; b) heating a narrow band of the strip along a longitudinal axis thereof; c) depositing a continuous bead of materia |
| 6827291 |
Reversible adjustable arc sprinkler |
December 7, 2004 |
| A reversible, adjustable arc sprinkler head comprising a sprinkler body incorporating a fixed nozzle; a spray plate mounted on one end of a support cage for rotation with the support cage in one or the other of two opposite directions about a first axis arranged coaxially with a stream |
| 6814305 |
Reversible adjustable arc sprinkler |
November 9, 2004 |
| A reversible, adjustable arc sprinkler head includes a sprinkler body incorporating a fixed nozzle; a spray plate mounted for rotation in one or the other of two opposite directions about a first axis arranged coaxially with a stream emitted from the nozzle, and for back and forth tiltin |
| 6736332 |
Adjustable arc, adjustable flow rate sprinkler |
May 18, 2004 |
| A sprinkler head includes a base adapted to be secured to a component supplying water under pressure; an arc adjustment ring rotatably mounted on the base; a nozzle and a stream deflector supported by an elongated stem carried by the base, the nozzle and the stream deflector cooperating |
| 6688539 |
Water distribution plate for rotating sprinklers |
February 10, 2004 |
| A rotor plate for a sprinkler includes a water impingement surface bounded by an annular peripheral wall and having a radial center, and adapted to be impinged upon by a stream emitted from a nozzle. The water impingement surface is formed to include at least one radially extending drive |
| 6651905 |
Adjustable arc, adjustable flow rate sprinkler |
November 25, 2003 |
| 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 define an adjustable arcuate orifice |
| 6620278 |
Drip tape manufacturing process |
September 16, 2003 |
| A method of forming tubular irrigation drip tape includes the steps of a) extruding a web of material having a pair of longitudinally extending, substantially parallel marginal edges; b) heating a center area of the web between and substantially parallel to the marginal edges utilizing |
| 6607147 |
High volume sprinkler automated arc changer |
August 19, 2003 |
| 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 downwardly toward a stop plate |
| 6554233 |
Hose clamp weight |
April 29, 2003 |
| A drop weight and connector assembly for use with an irrigation component mounted at a lower end of a flexible hose includes a tubular connector component having a first end adapted for insertion into the lower end of the flexible hose and a second end that is threaded and adapted for |
| 6543509 |
Apparatus for forming agricultural drip tape |
April 8, 2003 |
| A process for forming irrigation drip tape includes, broadly, the steps of a) supplying a longitudinally continuous strip of flexible plastic material in a first direction; b) heating a narrow band of the strip along a longitudinal axis thereof; c) depositing a continuous bead of materia |
| 6499672 |
Micro-stream rotator with adjustment of throw radius and flow rate |
December 31, 2002 |
| A rotating stream sprinkler including a rotor plate supported on one end of a shaft for rotation, in an operative mode, relative to the shaft; a nozzle located along the shaft upstream of the rotor plate; the rotor plate formed with a chamber and one end of the shaft has a stator fixed |
| 6494384 |
Reversible and adjustable part circle sprinkler |
December 17, 2002 |
| 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 distribution grooves therein, selectively |
| 6488218 |
Sprinkler head conversion for pop-up assembly |
December 3, 2002 |
| A pop-up sprinkler assembly includes a cylindrical housing having a cap on an upper end thereof, the cap having an opening, a lower end of the cylindrical housing having an internal thread for attachment to a source of pressurized water. A stem is mounted in the cylindrical housing with |
| 6439477 |
Nutating sprinkler |
August 27, 2002 |
| 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 downstream of the nozzle, the cap |
| 6382530 |
Pressure compensating drip tape |
May 7, 2002 |
| An irrigation drip tape includes a flexible tube having an interior surface defining a primary flow path. A plurality of secondary flow paths are provided on the interior surface of the tube, the secondary flow paths in substantially axially aligned relationship along a length dimension |
| 6341733 |
Nutating sprinkler |
January 29, 2002 |
| A nutating sprinkler assembly includes a sprinkler body having one end connected to an adapter; a nozzle mounted in the sprinkler body captured between the adapter and the sprinkler body; at least one arm extending from the sprinkler body for supporting a removable cap assembly downstrea |
| 6276390 |
Combination air release valve |
August 21, 2001 |
| An air release valve comprising a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having an aperture therein; a valve seal assembly including a reinforced portion engageable with the valve plate overlying the |
| 6267299 |
Nutating sprinkler with gimbal bearing |
July 31, 2001 |
| 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 extends from the sprinkler body for supporting a removable cap assembly downstream of the nozzle. The cap a |
| 6244521 |
Micro-stream rotator with adjustment of throw radius and flow rate |
June 12, 2001 |
| A rotating stream sprinkler comprising a rotor plate supported on one end of a shaft for rotation, in an operative mode, relative to the shaft; a nozzle located along the shaft upstream of the rotor plate; a baffle fixed to an opposite end of the shaft; a core flow path component located |
| 6145533 |
Air release valve |
November 14, 2000 |
| An air release valve comprising a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of apertures; a valve seal assembly including a seal engageable with the valve plate overlying the apertures; a |
| 6135364 |
Rotator air management system |
October 24, 2000 |
| In a rotational speed viscous dampening device comprising a housing, a shaft having one end located in the housing and rotatable relative thereto, and a rotor body on the one end of the shaft with viscous fluid at least partially filling the housing, an improvement includes various r |
| 5971297 |
Sprinkler with nozzle venturi |
October 26, 1999 |
| 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 plate is supported by the sprinkler |
| 5957150 |
Air release valve |
September 28, 1999 |
| An air release valve includes a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of discrete apertures isolated from each other; a valve seal assembly including a seal engageable with the valve p |
| 5875815 |
Combination pressure regulator/drain check valve |
March 2, 1999 |
| A combination pressure regulator/drain check valve comprising a housing having an inlet, an outlet and a flowpath therebetween, the flowpath at least partially defined by a reciprocable plunger. One end of the plunger closest the inlet approaches a pressure regulator seat while the oppos |
| 5823580 |
Tubing connector and sprinkler coupling assembly |
October 20, 1998 |
| A unitarily formed, one-piece connector includes an inner, open ended tubular insert portion, one end of which has a plurality of radially outwardly directed annular barbs on an exterior surface thereof. The one end is further provided with a radially outer sleeve, the sleeve having at |
| 5794646 |
Air release valve |
August 18, 1998 |
| An air release valve includes a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of discrete apertures isolated from each other; a valve seal assembly including a seal engageable with the valve p |
| 5762269 |
Nozzle clip |
June 9, 1998 |
| A sprinkler includes a body having an inlet and an outlet, an adapter having an end face secured to the inlet, and a stream distributor plate located downstream of the outlet. A quick change nozzle is slidably received on the adapter, the nozzle having a nozzle inlet at one end and a |
| 5671886 |
Rotary sprinkler stream interrupter with enhanced emitting stream |
September 30, 1997 |
| A rotary sprinkler includes a sprinkler body having a center axis and including a nozzle and associated rotor plate for issuing a stream in a substantially radial direction, substantially perpendicular to the axis, and rotating the stream about the center axis; a stream interrupter m |
| 5671885 |
Nutating sprinkler with rotary shaft and seal |
September 30, 1997 |
| A nutating sprinkler includes a body portion having a nozzle at one end and a spray plate supported thereon at an opposite end downstream of the nozzle. The spray plate has a plurality of stream distributing grooves formed on one side thereof configured to cause the spray plate to rotate |
| 5671774 |
Rate-of-flow control valve |
September 30, 1997 |
| A rate-of-flow control valve assembly actuable as a function of velocity of fluid in a conduit includes a sensing plate projecting into the conduit, substantially perpendicular to a direction of flow in the conduit and a sleeve valve located downstream of the sensing plate. The sleeve va |
