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Class Information
Number: 219/440
Name: Electric heating > Heating devices > Combined with container, enclosure, or support for material to be heated > With vessel > With pressure generating or maintaining means (e.g., pressure cooker)
Description: Subject matter including means whereby the internal pressure within the vessel is maintained between predetermined limits or whereby a pressure in excess of normal atmospheric pressure is generated as a result of the action of the heating unit or units.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8669498 Cooker Mar. 11, 2014
8561525 Nano timer control system Oct. 22, 2013
8544381 Food pressure-cooking device with a cover module Oct. 1, 2013
8546731 Electrical appliance for cooking food Oct. 1, 2013
8519308 Perforated lid for containers for cooking food Aug. 27, 2013
8393262 Pressure cooker with pressure relief handle Mar. 12, 2013
8247747 Plasticating barrel with integrated exterior heater layer Aug. 21, 2012
8163098 Fryer filtration arrangement with boil-out bypass Apr. 24, 2012
7980171 Vacuum cooking or warming appliance Jul. 19, 2011
7637206 Pressure-cooking appliance provided with an excess pressure safety device, and a gasket for said appliance Dec. 29, 2009
7537444 Method and apparatus for producing a solid product for dental usage May. 26, 2009
7523696 Pressure-cooking appliance including opening safety means Apr. 28, 2009
7451692 Appliance for cooking foods under pressure comprising a temperature sensor Nov. 18, 2008
7373876 Cook pot with heating lid May. 20, 2008
7276677 Pressure cooking vessel Oct. 2, 2007
7166824 High-frequency heating apparatus and control method thereof Jan. 23, 2007
7154069 Cooking apparatus and methods of employing such apparatus Dec. 26, 2006
7148451 Rice cooker Dec. 12, 2006
7126089 High altitude oven Oct. 24, 2006
7084375 Cookpot Aug. 1, 2006
7069715 Method and apparatus for the pre-heating of vaporization chamber Jul. 4, 2006
6723963 Quick-cooking pot Apr. 20, 2004
6705209 Pressure cooker Mar. 16, 2004
6580056 Biological specimen heating device and quality control method for immunohistochemistry heat retrieval procedures Jun. 17, 2003
6425320 Device for locking/unlocking a pressure cooker with lug-bayonet type closure Jul. 30, 2002
6320166 Double layered cooking apparatus Nov. 20, 2001
6283014 Automatic high energy saving cooker Sep. 4, 2001
6261447 Portable, automatic, steam pressurized water filtration system Jul. 17, 2001
6173643 Multifunctional electric pressure cooker Jan. 16, 2001
5892204 Vacuum coffee maker Apr. 6, 1999
5773794 Method for making permanent dental acrylic parts without the use of a dental flask Jun. 30, 1998
5767487 Subatmospheric pressure cooking device Jun. 16, 1998
5545875 Method for heat curing of dental prostheses without the use of dental flasks Aug. 13, 1996
5444218 Electrically heated pressure processor apparatus for production of dental prostheses Aug. 22, 1995
5305415 Electric steam generator having molded plastic lid and base secured together by a snap-fit connection arrangement Apr. 19, 1994
5092229 Entirely uniformly heated responsive cooker Mar. 3, 1992
5023927 Structure to secure cast cup containing heating element to percolator reservoir bottom Jun. 11, 1991
4992644 Device for sterilization, storage and dispensing of liquids Feb. 12, 1991
4897525 Device for heating food with steam Jan. 30, 1990
4889276 Method and apparatus for forming and bonding metal assemblies Dec. 26, 1989
4798939 Pressurized liquid cooker with integrated radiant heating apparatus Jan. 17, 1989
4771162 Apparatus for treating plastic parts for use in dental and orthodontic applications Sep. 13, 1988
4728778 Cooking apparatus Mar. 1, 1988
4721094 Deep oil cooker cover apparatus Jan. 26, 1988
4617452 Rice cooker Oct. 14, 1986
4574184 Saucepan and cover for a cooking utensil, particulary a steam pressure cooking pan Mar. 4, 1986
4535229 Saucepan and cover for a cooking utensil, particularly a steam pressure cooking pan Aug. 13, 1985
4490597 Microwave permeable pressure compensating container Dec. 25, 1984
4430557 Cooking apparatus having internal pressurizing source and _integral heat source _ Feb. 7, 1984
4365143 Assembly for preparing and dispensing infantile dietary formulation Dec. 21, 1982

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