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David P Bergstrom, 441314 3Rd Ave NE, Milaca, MN 56353

Known as:
David M
Related to:
Lorraine E Agnes 68 Richard R Agnes 66 Carl L Bergstrom Raymond A Bergstrom Rodney A Bergstrom 66 Lanee D Fries 61 Ronald R Bergstrom Gertrude B Bergstrom Lisa Bergstrom 46 Tarynn N Bergstrom 40 Bonnie E Bergstrom 63 Kenneth Gene Bergstrom 63 Mark R Fries 67

David Bergstrom Phones & Addresses

1314 3Rd Ave NE, Milaca, MN 56353   

Fort Wainwright, AK   

Princeton, MN   

Fairbanks, AK   

20410 Lake George Blvd, Anoka, MN 55303   

Cedar, MN   

Sherburn, MN   

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Resumes

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David Bergstrom

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David Bergstrom

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David Bergstrom

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David Bergstrom

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David Bergstrom

Location:
United States
David Bergstrom Photo 51

David Bergstrom

Location:
United States

Publications & IP owners

Us Patents

Slurry Conveying System

US Patent:
4699548, Oct 13, 1987
Filed:
Jan 21, 1986
Appl. No.:
6/821411
Inventors:
David A. Bergstrom - Blaine MN
Assignee:
Howden Environmental Systems, Inc. - Minneapolis MN
International Classification:
B65G 5340
US Classification:
406109
Abstract:
A slurry conveying system including a pressurizable tank into which particulate material is charged. A discharge opening enters the tank bottom and fluidizing water is directed upwardly through the discharge opening into the tank. The discharge opening is centered in a landing which has a diameter greater than 1. 5 times and no greater than five times the diameter of the discharge opening. Arching of particles at the opening is prevented due to the landing and fluidizing water. The tank is emptied by the combination of air under pressure and a water rinse immediately after the fluidizing is accomplished.

Possible Relatives

Cynthia M Bergstrom  Deanna L Bergstrom  Deborah L Bergstrom  Dana P Bergstrom  Dennis L Bergstrom  Darlene E Bergstrom  Darryl W Bergstrom  David Last  David W Johnson  David Stamps 

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