Kenneth Leland Erdmann
Engineers in Tulsa, OK

License number
Utah 366115-2202
Issued Date
Nov 17, 1998
Expiration Date
Mar 31, 2017
Category
Engineer/Land Surveyor
Type
Professional Engineer
Address
Address
Tulsa, OK

Professional information

Kenneth Erdmann Photo 1

Spacerless Or Geocomposite Double Bottom For Storage Tank

US Patent:
7344046, Mar 18, 2008
Filed:
Nov 19, 2003
Appl. No.:
10/717405
Inventors:
Tor Frederick Larson - West Chester PA, US
Kenneth Leland Erdmann - Tulsa OK, US
Assignee:
Matrix Service, Inc. - Tulsa OK
International Classification:
B65D 90/02
US Classification:
220565
Abstract:
A spacerless double bottom apparatus for a storage tank having a metal bottom and upwardly extending metal sidewalls. The apparatus includes a first lining layer of flexible plastic on top of the metal bottom. A plastic grid having a plurality of openings therethrough is installed on top of the first lining layer. At least one layer of fiber insulation is installed and resides on top of the grid. An upper metal bottom on top of the fiber insulation is welded to the sidewalls to form a fluid tight secondary containment compartment.


Kenneth Erdmann Photo 2

Mobile Jack For A Storage Tank Floating Roof

US Patent:
2012018, Jul 19, 2012
Filed:
Jan 19, 2011
Appl. No.:
12/930848
Inventors:
Kenneth L. Erdmann - Tulsa OK, US
James W. Ruffin - Broken Arrow OK, US
International Classification:
B66F 3/24, B66F 3/25, B23P 6/00, B66F 3/28
US Classification:
2940208, 254 93 R, 254 93 VA
Abstract:
A mobile jack for raising and lowering a floating storage tank roof. The mobile jack includes a fluid-actuated cylinder and ram housed in a jack structure having multiple telescoping sections. The jack is designed to slide onto the forks of equipment to transport the jack to a desired location beneath the roof in preparation for lifting the roof and can be clamped to retain the jack in place during transport. The cylinder and ram are utilized to extend and retract a portion of the jack structure to raise and lower the roof of the floating roof storage tank.