OTTO GARDT KNOTTNERUS
Pilots at Eagle Rd, Evansville, WI
License number
Wisconsin A1038041
Issued Date
May 2016
Expiration Date
May 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
5634 N Eagle Rd, Evansville, WI 53536
Professional information
Fluid Filter Apparatus And Methods
US Patent:
2009010, Apr 30, 2009
Filed:
Oct 30, 2007
Appl. No.:
11/928836
Inventors:
Otto Knottnerus - Evansville WI, US
Larry Langmeier - Stoughton WI, US
Mark Berger - Janesville WI, US
Larry Langmeier - Stoughton WI, US
Mark Berger - Janesville WI, US
Assignee:
HARVARD CORPORATION - Evansville WI
International Classification:
B01D 15/10, B01D 35/30, B01D 37/00, B23P 11/00, B29C 45/00, B01D 27/07, B01D 29/52, B01D 39/18
US Classification:
210767, 210435, 210439, 210457, 264138, 2643281, 210232, 2103232
Abstract:
Particular aspects of the inventive technology may, in embodiments, relate to a fluid filter apparatus that includes a filtered fluid conduit that has a length that is at least three times a characteristic diameter; and a plurality of holes, wherein at least one of said holes has a first shape and engages an end cap during fluid filter operation, and wherein at least one other of said holes has said first shape and passes filtered fluid from outside of said filtered fluid conduit to a conduit interior during fluid filter operation.
Fluid Filter Apparatus And Methods
US Patent:
8617404, Dec 31, 2013
Filed:
May 3, 2011
Appl. No.:
13/100028
Inventors:
Otto Knottnerus - Evansville WI, US
Larry Langmeier - Stoughton WI, US
Mark Berger - Janesville WI, US
Larry Langmeier - Stoughton WI, US
Mark Berger - Janesville WI, US
Assignee:
Harvard Corporation - Evansville WI
International Classification:
B01D 35/30, B01D 37/00
US Classification:
210767, 210232, 210 90, 2103232, 210634, 210650, 210660, 21032186, 210345, 210458
Abstract:
Particular aspects of the inventive technology may, in embodiments, relate to a fluid filter apparatus that includes a filtered fluid conduit that has a length that is at least three times a characteristic diameter; and a plurality of holes, wherein at least one of said holes has a first shape and engages an end cap during fluid filter operation, and wherein at least one other of said holes has said first shape and passes filtered fluid from outside of said filtered fluid conduit to a conduit interior during fluid filter operation.