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Class Information
Number: 392/480
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Continuous flow type fluid heater > Externally heated line connected section > Pipe or tube forms flow path
Description: Subject matter wherein the flow path for the fluid to be heated comprises a fluid conveying elongated hollow cylinder.










Sub-classes under this class:

Class Number Class Name Patents
392/481 Coiled 60


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8712227 Fluid conduit with PTC fabric heating Apr. 29, 2014
8554064 Method and apparatus for generating vapor at high rates Oct. 8, 2013
8528467 Coffee machine with a continuous flow heater Sep. 10, 2013
8526801 Line connector for media lines Sep. 3, 2013
8455293 Method for processing solar cell substrates Jun. 4, 2013
8450666 High-efficiency water boiling device May. 28, 2013
8380056 Inter-axial inline fluid heater Feb. 19, 2013
8350193 Oil water mixture heating apparatus Jan. 8, 2013
8291939 Grounding system for a heated hose Oct. 23, 2012
8109328 Fluid temperature control device Feb. 7, 2012
8028721 Heated garden hose for use cold weather Oct. 4, 2011
8023808 Heat transfer device Sep. 20, 2011
8019206 Glass manufacturing apparatus and a structural member thereof Sep. 13, 2011
8009970 Method for electrically energizing and heating platinum composite tube structure Aug. 30, 2011
7959090 Vehicle windshield cleaning system Jun. 14, 2011
7941038 Glass manufacturing apparatus, a structural member thereof and method for heating the structural member by conduction heating May. 10, 2011
7918109 Fabric Treatment appliance with steam generator having a variable thermal output Apr. 5, 2011
7905119 Fabric treatment appliance with steam generator having a variable thermal output Mar. 15, 2011
7881593 Gas cooking appliance with removable burners and useable work area Feb. 1, 2011
7875835 Heating component for pipe joint Jan. 25, 2011
7865073 Heating module comprising a heating surface, flow heater, and method for the production thereof Jan. 4, 2011
7858879 Insulated article and method of making same Dec. 28, 2010
7847222 Heater and memory cell, memory device and recording head including the heater Dec. 7, 2010
7741815 Lithium polymer battery powered intravenous fluid warmer Jun. 22, 2010
7732736 Hot melt adhesive hose assembly with thermal fuse link Jun. 8, 2010
7687745 Fluid line Mar. 30, 2010
7673814 Vehicle windshield cleaning system Mar. 9, 2010
7657961 Vehicle windshield cleaning system Feb. 9, 2010
7576306 Electric heating element that includes a radiant tube Aug. 18, 2009
7544890 Insulated article and method of making same Jun. 9, 2009
7496284 Tubular heater with insulating material in the connection end region Feb. 24, 2009
7439473 Method and arrangement for supporting vertically depending electrical resistance elements Oct. 21, 2008
7332140 Air sterilization system Feb. 19, 2008
7324746 Fluid heater and evaluation equipment incorporating the same Jan. 29, 2008
7241131 Thick film heater apparatus Jul. 10, 2007
7228067 Chromatography column assembly with woven tubular mesh heater element Jun. 5, 2007
7190892 Fluid line Mar. 13, 2007
7173222 Aerosol generator having temperature controlled heating zone and method of use thereof Feb. 6, 2007
7151892 Rapid electric heating water dispenser Dec. 19, 2006
7120354 Gases delivery conduit Oct. 10, 2006
7106957 Heat exchanger for high purity fluid handling systems Sep. 12, 2006
7081602 Fail-safe, resistive-film, immersion heater Jul. 25, 2006
7043151 Pipe heater manufacturing method and pipe heater May. 9, 2006
7034258 Hot runner heater device and method of manufacture thereof Apr. 25, 2006
7024106 System and method for melting ice in an exhaust tube of a container holding helium Apr. 4, 2006
6996337 Electrically heatable liquid line Feb. 7, 2006
6974504 Electrical pipeline remediation Dec. 13, 2005
6946627 METHOD FOR MANUFACTURING AN ELECTRICAL CABLE SYSTEM COMPRISING AN ELECTRICAL CABLE CONTAINING A CONDUCTOR CORE AND FOR INSTALLING SAID ELECTRICAL CABLE SYSTEM OVER A LONGITUDINALLY EXPANDABLE- Sep. 20, 2005
6943325 Water heater Sep. 13, 2005
6944394 Rapid response electric heat exchanger Sep. 13, 2005

1 2 3 4 5 6










 
 
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