Assignee: Nelson Irrigation Corporation

Location: Walla Walla, WA
No. of patents: 31

Number	Title	Issue Date
8028932	Sprinkler with nutating mechanism and optional weight A rotary, nutating sprinkler head includes a housing supporting a nozzle; a starter tube axially adjacent the nozzle and extending in a downstream direction, concentric with a vertical center axis of the sprinkler head. A spool assembly is loosely supported on the s...	10/04/2011
7980488	Sprinkler with geared viscous hesitator and related method A rotary sprinkler includes: a shaft having a cam, the cam having a plurality of radially outwardly projecting cam lobes; a rotatable water distribution plate adapted to be impinged upon by a stream emitted from a nozzle causing at least the water distribution plate...	07/19/2011
7942345	Sprinkler with nutating mechanism and optional weight A rotary, nutating sprinkler head includes a housing supporting a nozzle tube extending in a downstream direction, concentric with a vertical center axis of the sprinkler head; a spool assembly loosely supported on the starter tube, the spool assembly including a do...	05/17/2011
7802738	Power-assisted docking station for mobile irrigation apparatus A mobile irrigation apparatus includes a frame assembly supporting at least one sprinkler and adapted for movement in a first direction along a path in a field to be irrigated; a docking station suspended from the frame assembly and adapted to engage and open one or...	09/28/2010
7789323	Dual-mode sprinkler head A dual-mode sprinkler includes a nozzle arranged to supply a stream to a rotatable water-distribution plate. The sprinkler can be adjusted between free-spinning and retarded or braked rotation, enabling multi-use applications for the sprinkler. ...	09/07/2010
7717361	Distributor plate with diffuser on fixed shaft A water distribution plate and diffuser plate assembly for distributing a stream emitted from a sprinkler nozzle comprising: a shaft having one end attached to a sprinkler component and an opposite end supporting first and second plates in axially spaced relationshi...	05/18/2010
7624935	Distributor plate and diffuser plate on sleeved shaft A water distribution plate and diffuser plate assembly for distributing a stream emitted from a sprinkler nozzle includes: a nonrotatable shaft having one end attached to a sprinkler component and an opposite end supporting first and second plates in axially spaced ...	12/01/2009
7584904	Sprinkler with viscous hesitator A sprinkler device incorporates a rotatable shaft having a cam, the cam having a radially outwardly projecting shaft lobe. A water distribution plate is supported on one end of the shaft and is adapted to be impinged upon by a stream emitted from a nozzle causing th...	09/08/2009
7562833	Sprinkler with magnetic nutating mechanism and related method A sprinkler including a sprinkler head incorporating a nozzle; a spool fixed to the sprinkler head in proximity to the nozzle; a cage assembly loosely mounted on the spool, the assembly including a distribution plate at a first end of the assembly downstream of the ...	07/21/2009
7552877	Water deflection assembly According to one aspect of the present invention, a system for deflecting and distributing liquid from a liquid source is provided. The system comprises a dispersing element disposed along an elongated member, and a retaining structure adapted to enclose at least a ...	06/30/2009
7510132	Linear-feed irrigation apparatus and related method 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 a...	03/31/2009
7401622	Modular pressure regulator 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 press...	07/22/2008
7370667	Flow through pressure regulator with pinch valve 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 d...	05/13/2008
7300004	Traveling sprinkler incorporating automatic water supply valve docking station 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 lea...	11/27/2007
7287710	Sprinkler with magnetic nutating mechanism and related method 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 radia...	10/30/2007
7240860	Water distribution plate for rotating sprinklers 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 ra...	07/10/2007
7168444	Flow through pressure regulator with pinch valve 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 d...	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
7143957	Two-axis full-circle sprinkler with bent, rotating nozzle 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 flo...	12/05/2006
7140563	Linear-feed irrigation apparatus and related method 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 a...	11/28/2006
7140595	Pressure regulator with single strut regulator seat 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 ...	11/28/2006
7100842	Two-axis full-circle sprinkler 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...	09/05/2006
7086608	Shaft seal with grease retainer 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 on...	08/08/2006
7048001	Pressure regulator with single strut regulator seat 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 ...	05/23/2006
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
7025287	Shaft seal with grease retainer 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 on...	04/11/2006
6997406	Hose weight with ballast 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 th...	02/14/2006
6920907	Apparatus for forming agricultural drip tape 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 cont...	07/26/2005
6827291	Reversible adjustable arc sprinkler 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 coa...	12/07/2004
6814305	Reversible adjustable arc sprinkler 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...	11/09/2004
6736332	Adjustable arc, adjustable flow rate sprinkler 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 ...	05/18/2004

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Nelson Irrigation Corporation