HAWLEY ROGER EVANS
Architects at Fairway Dr, Fairbanks, AK
License number
Alaska AELC8051
Issued Date
Jul 9, 1990
Effective Date
Nov 8, 2015
Expiration Date
Dec 31, 2017
Category
Architects, Engineers and Land Surveyors
Address
Address
PO Box 84198, Fairbanks, AK 99708
Professional information
Heating Unit For Hot Tubs And/Or Spa Units
US Patent:
4455997, Jun 26, 1984
Filed:
Jul 13, 1981
Appl. No.:
6/283027
Inventors:
Hawley R. Evans - Fairbanks AK
Charles B. Howe - King WA
Charles B. Howe - King WA
Assignee:
Snorkel Stove Co. - Seattle WA
International Classification:
F24B 900
US Classification:
126367
Abstract:
A submerged heating unit fueled by wood and/or coal is disclosed for heating water in a tub or spa unit. The heating unit is composed of a single shell of a highly heat-conductive metal, such as aluminum, and has a generally L-shaped configuration in cross-section. The unit is entirely submerged in the tank of water except for air and fuel inlets and an exhaust outlet.