Brian Dale Pope

US Patent:

7648085, Jan 19, 2010

Filed:

Feb 22, 2006

Appl. No.:

11/359181

Inventors:

Rick Mavrakis - Alta Loma CA, US
Brian Pope - Azusa CA, US
Samir Shah - Chino Hills CA, US
Christopher Leland O'Neal - Temple City CA, US
David Laybourn - Claremont CA, US

Assignee:

Rain Bird Corporation - Azusa CA

International Classification:

B05B 15/00
B05B 1/30
A01G 27/00
F16L 55/027
F16N 27/00
G05D 7/01

US Classification:

239542, 239547, 239145, 2395331, 138 40, 138 41, 138 42, 138 43

Abstract:

A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.

US Patent:

20090261183, Oct 22, 2009

Filed:

Jun 30, 2009

Appl. No.:

12/495193

Inventors:

Rick Mavrakis - Alta Loma CA, US
Brian Pope - Azusa CA, US
Samir Shah - Chino Hills CA, US
Christopher Leland O'Neal - Temple City CA, US
David Leybourn - Claremont CA, US

International Classification:

B05B 15/00

US Classification:

239542

Abstract:

A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.

US Patent:

20090266919, Oct 29, 2009

Filed:

Jun 30, 2009

Appl. No.:

12/495178

Inventors:

Rick Mavrakis - Alta Loma CA, US
Brian Pope - Azusa CA, US
Samir Shah - Chino Hills CA, US
Christopher Leland O'Neal - Temple City CA, US
David Laybourn - Claremont CA, US

International Classification:

B05B 15/00

US Classification:

239542

Abstract:

A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.

US Patent:

20140034753, Feb 6, 2014

Filed:

Oct 7, 2013

Appl. No.:

14/047489

Inventors:

Rick Mavrakis - Alta Loma CA, US
Brian Pope - Azusa CA, US
Samir Shah - Chino Hills CA, US
Christopher Leland O'Neal - Temple City CA, US
David Laybourn - Claremont CA, US

International Classification:

A01G 25/06

US Classification:

2392883, 239542, 29428

Abstract:

A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.

US Patent:

20140110506, Apr 24, 2014

Filed:

Dec 23, 2013

Appl. No.:

14/139217

Inventors:

Rick Mavrakis - Alta Loma CA, US
Brian Pope - Azusa CA, US
Samir Shah - Chino Hills CA, US
Christopher Leland O'Neal - Temple City CA, US
David Laybourn - Claremont CA, US

International Classification:

A01G 25/02

US Classification:

239542

Abstract:

A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a predetermined level, a one-directional valve opens to allow fluid flow past the first chamber, through a tortuous path flow channel, and through an emitter outlet. A second inlet is used to compensate for water pressure fluctuations in the supply tube to maintain output flow at a relatively constant rate. Water enters the second inlet and presses a flexible diaphragm toward a water metering surface to provide pressure-dependent control of the output flow. A copper member is mounted to the emitter over the emitter outlet to prevent plant root intrusion into the emitter outlet.