Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 392/378
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Convection space heater > Combined with radiation > With heat exchange fluid > In plural sections
Description: Subject matter having two or more compartments for accommodating the heat exchange fluid.

Patents under this class:

Patent Number Title Of Patent Date Issued
8184962 Mobile device for heating rooms May. 22, 2012
8180205 Electrothermal oil radiator May. 15, 2012
7949236 Home heating radiator using a phase change heat transfer fluid May. 24, 2011
6289175 Independently operating portable radiator Sep. 11, 2001
6263157 Independently operating and mobile radiator and process for its manufacture Jul. 17, 2001
6169851 Space heaters Jan. 2, 2001
6009935 Radiators Jan. 4, 2000
5685365 Radiator for heating rooms Nov. 11, 1997
5341455 Oil radiator with welded plate radiating elements having folded portions providing cool planar lateral outer surfaces for preventing injuries Aug. 23, 1994
5083010 Pyrolytic self-cleaning stove Jan. 21, 1992
5076350 Heat tube designed plate heat exchanger Dec. 31, 1991
4904846 Oil filled body heater Feb. 27, 1990
4873421 Liquid-filled electric radiator Oct. 10, 1989
4870253 Mobile apparatus for heating rooms Sep. 26, 1989
4493974 Snap-fit sheet metal cover for portable oil-filled radiators and method of manufacture Jan. 15, 1985
3977198 Multiple boiler steam generation system Aug. 31, 1976
3958101 Space heating using off-peak electric heat storage May. 18, 1976

  Recently Added Patents
Discharge lamp lighting circuit
System and method for creating, managing and trading hedge portfolios
Module-code verification layer to automatically validate user input
Memory with separate read and write paths
System and method for predicting remaining useful life of device components
Sensor apparatus and information processing apparatus
Luggage cart
  Randomly Featured Patents
Pane wiper apparatus
Automatic telephone number identification circuit
Method and apparatus for using menu functions of an electronic device
Cabinet of electrical apparatus and antenna apparatus
Computer front bezel
Photothermographic elements containing a combination of spectral sensitizers
Knee prosthesis
Paper holder
Sensors for continuous monitoring of biochemicals and related method
Access control method