John William Kaakinen
Engineers at Overlook Ter, Portland, OR

License number
Colorado 13635
Issued Date
Oct 1, 1975
Renew Date
Sep 30, 1995
Expiration Date
Sep 30, 1995
Type
Professional Engineer
Address
Address
4131 N Overlook Ter, Portland, OR 97217

Professional information

John Kaakinen Photo 1

Combination Filter Block And Effluent Flow Deflector

US Patent:
5445735, Aug 29, 1995
Filed:
Jan 19, 1995
Appl. No.:
8/376020
Inventors:
John W. Kaakinen - Portland OR
International Classification:
B01D 3500
US Classification:
210247
Abstract:
There is disclosed a device for both holding a filter element and deflecting and draining filter effluent, which may be adapted to utilize one or more disposable filter cartridges. The device can be used in systems for performing analytical tests which include a filtration step, and is particularly useful in systems for measuring the fouling potential of water containing particulates.


John Kaakinen Photo 2

Water-Borne Particulate-Measuring Apparatus

US Patent:
5253514, Oct 19, 1993
Filed:
Dec 2, 1991
Appl. No.:
7/800994
Inventors:
John W. Kaakinen - Portland OR
International Classification:
G01N 1506
US Classification:
73 6173
Abstract:
Apparatus for measuring, on an automated and batch basis, the fouling potential of larger particulate-containing feed water is disclosed.