Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 392/479
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Continuous flow type fluid heater > Externally heated line connected section
Description: Subject matter wherein the fluid heating device comprises means defining a closed flow path having an inlet and an outlet, an electric resistance heating element externally of the flow path arranged to heat the fluid flowing therethrough, and means at the inlet and outlet of the flow path for coupling the heating device into a fluid flow line as a part thereof.










Sub-classes under this class:

Class Number Class Name Patents
392/484 Block forms flow path 99
392/483 Heating element producing radiation 37
392/480 Pipe or tube forms flow path 276
392/482 Plural pipes or tubes form flow path 32


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8712227 Fluid conduit with PTC fabric heating Apr. 29, 2014
8607694 Boiler for a machine for making hot beverages Dec. 17, 2013
8559800 Heated fluid conduit end covers, systems and methods Oct. 15, 2013
8515267 Liquid heating device and method for heating a liquid Aug. 20, 2013
8455293 Method for processing solar cell substrates Jun. 4, 2013
8450666 High-efficiency water boiling device May. 28, 2013
8428449 Method of operating a flow-through heating Apr. 23, 2013
8391695 Vehicle surfaces cleaning and de-icing system and method Mar. 5, 2013
8350193 Oil water mixture heating apparatus Jan. 8, 2013
8301020 Tank withdrawal system with electric and fluidic heating device Oct. 30, 2012
8153939 Fluid-heating device comprising a thermal fuse Apr. 10, 2012
8005353 Flow-through heater Aug. 23, 2011
7955740 Fuel cell stack and hydrogen supply including a positive temperature coefficient ceramic heater Jun. 7, 2011
7919733 Modular heater systems Apr. 5, 2011
7907835 Liquid heating device and method for heating a liquid Mar. 15, 2011
7853132 Electrically heatable fluid line Dec. 14, 2010
7801424 Steam generator Sep. 21, 2010
7741815 Lithium polymer battery powered intravenous fluid warmer Jun. 22, 2010
7715700 Method, device, and bag for warming infusion liquid May. 11, 2010
7687745 Fluid line Mar. 30, 2010
7626146 Modular heater systems Dec. 1, 2009
7567750 Instantaneous water heater with a heating tube Jul. 28, 2009
7330645 Instant water heating apparatus for cleaning machine Feb. 12, 2008
7286752 Device for heating a liquid for domestic appliance, domestic appliance fitted with said device Oct. 23, 2007
7266293 Hose for hot liquids having heating element Sep. 4, 2007
7206506 Fluid heating system Apr. 17, 2007
7203419 Heated conduit Apr. 10, 2007
7177536 Fluid heating heater Feb. 13, 2007
7151892 Rapid electric heating water dispenser Dec. 19, 2006
7091450 Two-circuit grip heater Aug. 15, 2006
7084377 Heated device and method of redundant temperature sensing Aug. 1, 2006
7024106 System and method for melting ice in an exhaust tube of a container holding helium Apr. 4, 2006
6952524 Fluid heater temperature balancing apparatus Oct. 4, 2005
6915070 Quick heater for drinking water Jul. 5, 2005
6862405 Apparatus, method and system of liquid-based, wide range, fast response temperature control of electric devices Mar. 1, 2005
6736598 Pump with a heatable housing May. 18, 2004
6694093 Antifreeze system for instant water heaters Feb. 17, 2004
6577817 Water heater Jun. 10, 2003
6564011 Self-regulating heat source for subsea equipment May. 13, 2003
6516971 Apparatus and method of sensing temperature of an electric valve Feb. 11, 2003
6498899 Apparatus, method and system of liquid-based, wide range, fast response temperature control of electric devices Dec. 24, 2002
6459854 Process and module for heating liquid Oct. 1, 2002
6442341 Simple-type fluid heating tube structural arrangement Aug. 27, 2002
6389225 Apparatus, method and system of liquid-based, wide range, fast response temperature control of electronic device May. 14, 2002
6178291 Demand anticipation control system for a high efficiency ultra-pure fluid heater Jan. 23, 2001
6142974 Portable I.V. fluid warming system Nov. 7, 2000
6144802 Fluid heater for semiconductor device Nov. 7, 2000
6031972 Impedance heating system Feb. 29, 2000
6014498 Device for heating fluid control apparatus Jan. 11, 2000
5974227 Hot melt mix applicator with electrically heated hose Oct. 26, 1999

1 2 3










 
 
  Recently Added Patents
Methods for predicting cardiac toxicity
Semiconductor device including insulating layer of cubic system or tetragonal system
Re-establishing push notification channels via user identifiers
System and method for dynamic quality-of-service-based billing in a peer-to-peer network
Method and system for testing indirect bandgap semiconductor devices using luminescence imaging
System and method for enhancing buyer and seller interaction during a group-buying sale
Printed circuit board including electromagnetic bandgap structure
  Randomly Featured Patents
Conical screw auger machine for splitting a log of wood
Method for providing triggered location information of a target terminal
Image reader, image forming apparatus, and method of correcting image data
Non-volatile memory and method of non-volatile memory programming
Multichannel ring and star networks with limited channel conversion
Adjustable pocket hole apparatus
Reclinable seatback support for stroller
Sea vessel retrieval of unmanned underwater vehicles
Preparation and use of metal-containing zeolitic catalysts
Apparatus having angle blade lobes for high speed cutting of elastomeric materials