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Browse by Category: Main > Electrical & Energy
Class Information
Number: 392/401
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Vaporizer > Liquid evaporant (e.g., water, etc.) > In-line connected closed tank (i.e., pressurized) > With internal heating element
Description: Subject matter wherein the closed tank includes an electrical resistance heating element which is supported within the vessel.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8615166 Steam generator and washing machine therewith Dec. 24, 2013
8581151 Steam oven water delivery and drain valve systems and methods Nov. 12, 2013
8369695 Steam generator of steam oven Feb. 5, 2013
8288690 Oven steam generator systems and methods Oct. 16, 2012
8280235 Liquid material vaporizer Oct. 2, 2012
8222572 Steam generator for food processor Jul. 17, 2012
7920778 Boiler for use in a steam generating device Apr. 5, 2011
7770511 Method and device for preparing liquid Aug. 10, 2010
7452424 Vaporizer Nov. 18, 2008
7362964 Humidifier with ultraviolet lamp Apr. 22, 2008
7213541 Steam generating method and apparatus for simulation test chambers May. 8, 2007
7162149 Gaseous fluid generation system Jan. 9, 2007
7061252 Electrical arcing protection circuit Jun. 13, 2006
7049550 Overheated steam oven May. 23, 2006
6868869 Sub-atmospheric pressure delivery of liquids, solids and low vapor pressure gases Mar. 22, 2005
6647931 Household steam generator apparatus Nov. 18, 2003
6415812 Control equipment for keeping light oil vapor at stable pressure and constant temperature Jul. 9, 2002
6280793 Electrostatic method and apparatus for vaporizing precursors and system for using same Aug. 28, 2001
6258170 Vaporization and deposition apparatus Jul. 10, 2001
6167845 Instantaneous water heater Jan. 2, 2001
6067403 Household electrical steam generator with stabilized boiler water level, particularly for smoothing irons May. 23, 2000
5968388 Steam cooking appliance with a corrugated heat transfer membrane and thermally conductive filler Oct. 19, 1999
5943473 Heated cartridge humidifier Aug. 24, 1999
5915071 Steam cleaning apparatus Jun. 22, 1999
5881207 Steam generator with automatic supply and a process for measuring the level of liquid in such a generator Mar. 9, 1999
5835677 Liquid vaporizer system and method Nov. 10, 1998
5835678 Liquid vaporizer system and method Nov. 10, 1998
5719990 Hot water and electricity generator Feb. 17, 1998
5698037 Integrated delivery system for chemical vapor from non-gaseous sources for semiconductor processing Dec. 16, 1997
5673360 Travel Humidifier Sep. 30, 1997
5537996 Heated respiratory humidifier conduit Jul. 23, 1996
RE35283 High efficiency water distiller Jun. 25, 1996
5467424 Apparatus and method for generating steam Nov. 14, 1995
5399200 Module in an integrated delivery system for chemical vapors from liquid sources Mar. 21, 1995
5367605 Boiler with deformable wall for removing scale Nov. 22, 1994
5361322 Ejector tube humidifier for blowerless mixing of air and steam Nov. 1, 1994
5359692 Electronic-type vaporizer for aircraft humidification having a single use disposable steam generation container Oct. 25, 1994
5355840 Steam generator controlled by pressure switch Oct. 18, 1994
5343747 Normalized relative humidity calibration Sep. 6, 1994
5313550 Steam humidifier with modular construction and electrodes to generate steam May. 17, 1994
5307440 Electrically heated steam generator with a proportionally controlled steam and power take-off for supplying steam and electric power to an external user Apr. 26, 1994
5305415 Electric steam generator having molded plastic lid and base secured together by a snap-fit connection arrangement Apr. 19, 1994
5252134 Integrated delivery system for chemical vapor from non-gaseous sources for semiconductor processing Oct. 12, 1993
5189726 Steam producing apparatus for home use with low cold water reservoir level steam output stoppage Feb. 23, 1993
5187772 Electric water heater with radially extending overlapped horizontal heating element arranged in vertically spaced aligned sets Feb. 16, 1993
5067169 Portable humidifier Nov. 19, 1991
5063609 Steam generator Nov. 5, 1991
5060560 Low-water element safety control Oct. 29, 1991
5013889 Electric blood warmer utilizing heating by condensation May. 7, 1991
4914275 Regasifier Apr. 3, 1990

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