| Patent Number |
Title Of Patent |
Date Issued |
| 4760959 |
Drive arm deflector for a rotary impact sprinkler |
August 2, 1988 |
| In an impact drive sprinkler including a rotatable body arranged to rotate about a rotation axis and having a sprinkler nozzle through which water is ejected in an outward direction from the rotation axis, a deflector defining a spiral water engagement surface which extends approximately |
| 4687143 |
Drip irrigation apparatus |
August 18, 1987 |
| Pressure responsive, volume-controlled drip irrigation apparatus including a drip irrigation element defining a volume control region having a peripheral edge surface along at least part of the periphery thereof, there being disposed along a side of the volume control region a first |
| 4655397 |
Vortex dripper |
April 7, 1987 |
| Drip irrigation emitter apparatus comprising a water inlet, a water outlet, and an elongated flowpath extending from the water inlet to the water outlet, the flowpath defining an entrance coupled to the water inlet and extending into a type one vortex region, the type one vortex region |
| 4540125 |
Rotary sprinkler having selectable area coverage |
September 10, 1985 |
| A rotary sprinkler comprising a base, a stem mounted on the base for rotation relative thereto, the stem having an inlet for receiving a pressurized water supply, a water discharge nozzle mounted on the stem and being rotatable together therewith relative to the base, water driven dr |
| 4423838 |
Selectable separation and capacity irrigation line |
January 3, 1984 |
| An irrigation line having desired output flow characteristics therealong including a liquid flow conduit couplable to a source of liquid under pressure; a multiplicity of liquid discharge elements associated with the conduit along the length thereof and having their inputs coupled to the |
| 4402460 |
Rotary sprinkler |
September 6, 1983 |
| A 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 of a force causing intermittent rotation of the body a |
