James M Webster

US Patent:

6416669, Jul 9, 2002

Filed:

Nov 10, 2000

Appl. No.:

09/709804

Inventors:

Allen Boyce - Portland OR
Michael Steven Marchando - Colorado Springs CO
James Kenneth Webster - Bainbridge Island WA

Assignee:

SEH America, Inc. - Vancouver WA

International Classification:

B01D 6300

US Classification:

210638, 210650, 210651, 210681

Abstract:

The present invention is directed to the use a of resin trap device to remove large resin particles from water in a water purification system to thereby protect downstream ultrafiltration equipment. The present invention includes a resin trap device which comprises a housing and a resin strainer disposed within the housing. The resin strainer includes a plurality of openings having a particle pass size of between about 100 m and about 250 m, and thus allows water and small particles to pass through the resin trap device and large particles to be retained in the resin trap device. The present invention also includes a water purification system including a water source, a resin bed and the resin trap device, and a method of purifying water using the resin trap device of the invention.

US Patent:

6475385, Nov 5, 2002

Filed:

Nov 10, 2000

Appl. No.:

09/710248

Inventors:

Allen Boyce - Portland OR
Michael Steven Marchando - Colorado Springs CO
James Kenneth Webster - Bainbridge Island WA

Assignee:

SEH America, Inc. - Vancouver WA

International Classification:

B01D 6300

US Classification:

2102572, 210266, 210289, 210291, 2103216

Abstract:

The present invention is directed to the use of a resin trap device to remove large resin particles from water in a water purification system to thereby protect downstream ultrafiltration equipment. The present invention includes a resin trap device which comprises a housing and a resin strainer disposed within the housing. The resin strainer includes a plurality of openings having a particle pass size of between about 100 m and about 250 m, and thus allows water and small particles to pass through the resin trap device and large particles to be retained in the resin trap device. The present invention also includes a water purification system including a water source, a resin bed and the resin trap device, and a method of purifying water using the resin trap device of the invention.

US Patent:

61836370, Feb 6, 2001

Filed:

Jul 23, 1998

Appl. No.:

9/121369

Inventors:

Allen Boyce - Portland OR
Michael Steven Marchando - Colorado Springs CO
James Kenneth Webster - Bainbridge Island WA

Assignee:

SEH America, Inc. - Vancouver WA

International Classification:

B01D 6300

US Classification:

2102572

Abstract:

The present invention is directed to the use of a resin trap device to remove large resin particles from water in a water purification system to thereby protect downstream ultrafiltration equipment. The present invention includes a resin trap device which comprises a housing and a resin strainer disposed within the housing. The resin strainer includes a plurality of openings having a particle pass size of between about 100. mu. m and about 250. mu. m, and thus allows water and small particles to pass through the resin trap device and large particles to be retained in the resin trap device. The present invention also includes a water purification system including a water source, a resin bed and the resin trap device, and a method of purifying water using the resin trap device of the invention.