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Class Information
Number: 392/447
Name: Electric resistance heating devices > Heating devices (class 219 subclass 200) > Tank or container type liquid heater > Portable container or tank > With internally positioned heating element
Description: Subject matter wherein the heating device for heating the liquid in the tank or container is placed in a portion of the tank or container receiving the liquid to be heated.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7313322 |
Electrical heating facility for the heating of liquid in a motor vehicle |
Dec. 25, 2007 |
| 7305178 |
Resistance heater |
Dec. 4, 2007 |
| 7283735 |
Windshield wiper dispenser method and apparatus |
Oct. 16, 2007 |
| 7162149 |
Gaseous fluid generation system |
Jan. 9, 2007 |
| 7102101 |
High voltage circuit breaker with internal tank heater |
Sep. 5, 2006 |
| 6909842 |
Instantaneous compact fluid heater |
Jun. 21, 2005 |
| 6628894 |
Portable warm water heater system |
Sep. 30, 2003 |
| 6553948 |
Water heater |
Apr. 29, 2003 |
| 6431124 |
Instant portable hot water making bottle |
Aug. 13, 2002 |
| 6397786 |
Indirect damp generator |
Jun. 4, 2002 |
| 6349169 |
Attachment structure for vessel fitting |
Feb. 19, 2002 |
| 6289177 |
Encapsulated heating element fluid heater |
Sep. 11, 2001 |
| 6266485 |
One-piece plastic tank and temperature control system for a hot water dispenser |
Jul. 24, 2001 |
| 6266484 |
Water heater made of pressure-resistant plastic material |
Jul. 24, 2001 |
| 6256455 |
Apparatus and method for preventing fire in a liquid heating tank |
Jul. 3, 2001 |
| 6243535 |
Steam generator |
Jun. 5, 2001 |
| 6178290 |
Water filter device having a collecting pot and a heating element |
Jan. 23, 2001 |
| 6128438 |
Inflammable cleaning fluid heating apparatus |
Oct. 3, 2000 |
| 6069996 |
Device for heating a drinkable liquid |
May. 30, 2000 |
| 6058926 |
Drop-in steamer |
May. 9, 2000 |
| 6037570 |
Portable brewing pot for use in vehicles |
Mar. 14, 2000 |
| 5848222 |
Appliance for dispensing warm water having an auxiliary heater |
Dec. 8, 1998 |
| 5758572 |
Sunken receptacle unit with resilient receptacle retaining surface |
Jun. 2, 1998 |
| 5542344 |
Sous vide rethermalizer |
Aug. 6, 1996 |
| 5447597 |
Apparatus for loosening wallpaper |
Sep. 5, 1995 |
| 5442156 |
Heating apparatus for composite structure repair |
Aug. 15, 1995 |
| 5381729 |
Food warming vessel for cafeterias and restaurants |
Jan. 17, 1995 |
| 5379365 |
Replaceable adaptor for a hot water tank resistive heating element |
Jan. 3, 1995 |
| 5377299 |
Water heating apparatus having a thermal and liquid level sensor assembly |
Dec. 27, 1994 |
| 5366308 |
Hot asphalt transfer and application device |
Nov. 22, 1994 |
| 5347610 |
Safety control system for a clothes washer incorporating primary, secondary, and tertiary temperature sensors |
Sep. 13, 1994 |
| 5305415 |
Electric steam generator having molded plastic lid and base secured together by a snap-fit connection arrangement |
Apr. 19, 1994 |
| 5293446 |
Two stage thermostatically controlled electric water heating tank |
Mar. 8, 1994 |
| 5278941 |
Electric immersion heater with restricted heat-flow paths to the thermostatic control thereof |
Jan. 11, 1994 |
| 5274736 |
Pressurized heating apparatus for making coffee in an automobile |
Dec. 28, 1993 |
| 5269217 |
Food warming vessel for cafeterias, restaurants and the like |
Dec. 14, 1993 |
| 5235161 |
Detachable metallic safety guard for portable electric immersion heater |
Aug. 10, 1993 |
| 5203257 |
Food warming vessel for cafeterias, restaurants and the like |
Apr. 20, 1993 |
| 5129033 |
Disposable thermostatically controlled electric surgical-medical irrigation and lavage liquid warming bowl and method of use |
Jul. 7, 1992 |
| 5113057 |
Doubly-controlled aquarium safety heater |
May. 12, 1992 |
| 5058195 |
Thermistor mounting arrangement |
Oct. 15, 1991 |
| 5023927 |
Structure to secure cast cup containing heating element to percolator reservoir bottom |
Jun. 11, 1991 |
| 4812623 |
Electrical apparatus |
Mar. 14, 1989 |
| 4777346 |
Electrically heated therapeutic pillow |
Oct. 11, 1988 |
| 4752671 |
Electric immersion heating elements and controls therefor |
Jun. 21, 1988 |
| 4730099 |
Electrical liquid heating apparatus |
Mar. 8, 1988 |
| 4684786 |
Electrically heated fuel pick-up assembly for vehicle fuel tanks |
Aug. 4, 1987 |
| 4622704 |
Portable hygenic warm water jet having disposable nozzle tip |
Nov. 18, 1986 |
| 4621186 |
Thermally-sensitive control arrangement for containers provided with electric immersion heaters |
Nov. 4, 1986 |
| 4565121 |
Apparatus for use in preparing infusions |
Jan. 21, 1986 |
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