Duane B Schultz
General Contractor in Sauk Rapids, MN

License number
Utah 6769833-B100
Issued Date
Dec 7, 2007
Category
Contractor
Type
B100 - General Building Qualifier
Address
Address
Sauk Rapids, MN
LicenseFiles verified this license of Dec 7, 2016 at the Utah Division of Occupational and Professional Licensing.

Professional information

Duane Schultz Photo 1

Environmentally Controlled Crop Storage Building

US Patent:
6139424, Oct 31, 2000
Filed:
May 28, 1998
Appl. No.:
9/086319
Inventors:
Duane B. Schultz - Sauk Rapids MN
Assignee:
Winkelman Building Corp. - Sauk Rapids MN
International Classification:
E04H 718
US Classification:
454180
Abstract:
An environmentally-controlled crop storage building consisting of: a floor having a length and a width, the floor resting on compacted soil; an air-carrying plenum extending the length of the floor within the compacted soil, the plenum having a bottom, plenum side walls, and an open plenum top communicating with the building's interior; a fan adapted to force air through the plenum; a plurality of air-carrying flumes extending the width of the floor within the compacted soil and intersecting the plenum; a plurality of flume covers having a number of apertures adapted to allow air forced through the flumes by the fan to enter the building; and a plurality of plenum covers adapted to close off the plenum from the building's interior.