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Class Information
Number: 392/368
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Convection space heater > Forced air type > Portable > With baffle
Description: Subject matter wherein the portable heater includes a plate or wall for directing heated air in a desired air flow pattern.

Sub-classes under this class:

Class Number Class Name Patents
392/369 Counterflow 11

Patents under this class:

Patent Number Title Of Patent Date Issued
8637796 Electrical heating device and heat generating element of an electrical heating device Jan. 28, 2014
8467668 Infrared room heater system Jun. 18, 2013
8447176 Dual chimney flat panel convection air space heater May. 21, 2013
8437627 Apparatus for extending the holding time for food May. 7, 2013
7554063 Heating apparatus Jun. 30, 2009
6973260 Portable electric heater with vertical heated air outlet Dec. 6, 2005
6760543 Heated air circulator with uniform exhaust airflow Jul. 6, 2004
6397002 Combination fan and heater May. 28, 2002
RE37642 Air heater with angled PTC heaters producing diverging heated airflow Apr. 9, 2002
6122437 Electric space heater with swivel mount Sep. 19, 2000
5655055 Omnidirectional space heater having adjustable, arcuate baffles Aug. 5, 1997
5513296 Air heater with angled PTC heaters producing diverging heated airflow Apr. 30, 1996
5482657 Heater attachment for evaporative cooler Jan. 9, 1996
5463203 Vehicle heater Oct. 31, 1995
5303325 Air heater Apr. 12, 1994
5259062 Air treatment apparatus utilizing interchangeable cartridges Nov. 2, 1993
5245692 Portable hemispheric electric space heater with circumferential filtered warm air discharge Sep. 14, 1993
5197112 Fixed volume PTC air heater with heat output adjusted by a damper controlling air flow over the PTC element Mar. 23, 1993
5133042 Air treatment apparatus utilizing intercangeable cartidges Jul. 21, 1992
5121463 Hot air pulse generator for blowing out heated air in a pulse-like manner Jun. 9, 1992
4703153 Electric heater employing semiconductor heating elements Oct. 27, 1987
4694142 Electric air heater Sep. 15, 1987
4384189 Convection radiator May. 17, 1983
4362922 Air make-up unit Dec. 7, 1982
4110600 Thermostatically controlled plural heat output portable electric space heater Aug. 29, 1978
4088870 Portable electrical space heater May. 9, 1978
4031573 Portable sauna Jun. 28, 1977

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