Class 220/573.2 - Nonstick inner surface

Subclass of Class 220 - Receptacles
Definition: Subject matter wherein the inside of the cookware has been
No. of patents: 33
Last issue date: 05/08/2012

Number	Title	Issue Date
8172107	Permeable non-stick cooking surface A cooking device including a permeable cooking layer having an outer cooking side and an inner side on the opposite surface from the outer side. A plurality of apertures are formed through the cooking layer from the inner side to the outer side. A heating layer is l...	05/08/2012
7997439	Flexible bakeware having a multi-piece carrier system A flexible bakeware compound includes a flexible baking container having a basin and a first carrier member disposed in an upper portion of the basin. A second carrier member is also disposed in the upper portion of the basin such that the second carrier member is c...	08/16/2011
7942288	Cooking utensils with metallic non-stick coating and methods for making the same Disclosed is a cooking utensil coated with a metallic non-stick coating made of a nickel-aluminum-molybdenum (NiAlMo) alloy mainly composed of nickel aluminum (NiAl), and/or a nickel-chrome-chromic carbide (NiCr—Cr3C2) alloy mainly composed o...	05/17/2011
7922027	Food pan having elastomeric heat and scratch resistant protective flange gasket Food serving pans made from a heat conductive materials include a gasket protecting a flange to protect fingers from heat or cold, improve gripping ability, seal against countertops of food serving tables, and protect paint or nonstick coating from chipping off the ...	04/12/2011
7208231	Bonded metal components having uniform thermal conductivity characteristics and method of making same Cookware having improved uniform heat transfer over the entire cross section thereof, the cookware formed from a multi-layered composite metal having a layer of stainless steel roll bonded at or near the core of the composite. The stainless layer is roll bonded to l...	04/24/2007
7201358	Stand-alone self-supporting disposable baking containers and methods of manufacture A self-supporting baking mold that includes a base member having a fanciful shape with a perimeter that is more complex than a simple circle and a depending sidewall coupled to said base member. The baking mold is sufficiently rigid to support a quantity of batter w...	04/10/2007
7021202	Disposable frying pan insert A disposable pan, pot, or kettle liner system for deep-frying foods and includes a disposable pot liner and a disposable strainer fitting into the pot liner made of thin aluminum, aluminum alloy or other metal material having a stiffness adequate to be free-standing...	04/04/2006
7011014	Cookie baking sheet with cookie slide-off ramp A cookie baking sheet is formed of substantially flat heat-resistant material including a baking surface in a first plane and defining a rolled peripheral edge and a baking area within the peripheral edge. A generally upright wall is integrally formed with the sheet...	03/14/2006
6942120	Disposable bakeware with improved drip resistance at elevated temperatures A thermoplastic bakeware article (i.e., an article formed to hold, contain or support food, while being heated in a microwave, conventional oven, convection oven, or the like) that is food-grade and resistant to dripping, stringing, and melting at high temperatures....	09/13/2005
6926971	Bonded metal components having uniform thermal conductivity characteristics and method of making same Cookware having improved uniform heat transfer over the entire cross section thereof, the cookware formed from a multi-layered composite metal having a layer of titanium roll bonded at or near the core of the composite. The titanium layer is roll bonded to layers of...	08/09/2005
6901687	Domestic appliance and method of manufacturing thereof Disclosed is a domestic appliance, at least comprising an aluminum sole plate which is provided with a coating which is provided by means of a sol-gel process and wherein an intermediate layer is present between the aluminum sole plate and the sol-gel coating. The i...	06/07/2005
6820541	Cookie baking sheet with cookie slide-off ramp A cookie baking sheet is formed of substantially flat heat-resistant material including a baking surface in a first plane and defining a rolled peripheral edge and a baking area within the peripheral edge. A generally upright wall is integrally formed with the sheet...	11/23/2004
6802432	Enamel cooking ware An enamel cooking ware, of which the cooking ware's body consists of an inner coating layer, an outer coating layer, and the cooking ware's body; wherein, the cooking ware body is made of stainless steel, and a dense mass of small concaves with small sizes is formed...	10/12/2004
6793093	Anti-stick cookware with cookware body formed by spinning An anti-stick cookware is manufactured by a process including a step of spinning a metal plate made of an aluminum alloy to form a cookware body having a bottom portion, a side portion extending upward from the bottom portion, and an inner cooking surface defined by...	09/21/2004
6749081	Method of surface treating a cookware article and an article so treated A method of surface treating a cookware article formed of aluminum or aluminum alloy, comprises the steps of applying a first coating of porcelain enamel to the exterior of the article; subjecting the interior of the article to hard-anodizing; and applying a second ...	06/15/2004
6544669	Cryogenic treatment of cookware and bakeware A method of making cookware and bakeware having a stick resistant and mar resistant cook surface comprising the steps of providing a cooking utensil having a cook surface, and cryogenically treating the cooking utensil at one or more selected temperatures...	04/08/2003
6360423	Stick resistant coating for cookware A method for making a stick resistant cook surface or cooking vessel having the stick resistance in which a hard substrate metal is buffed/polished to a high luster surface finish of less than 20 micro inches and then coated with a layer of zirconium nitr...	03/26/2002
6248435	Heat transfer release finish An improved heat transfer release finish on cookware is formed by coating the cookware interior (sidewall and flat bottom) with a mixture of fluoropolymer and magnetic flakes and magnetically orienting said flakes to run in the thickness direction of the ...	06/19/2001
6228915	Compositions and methods for reduced food adhesion The invention relates to compositions and methods for reducing food deposit adhesion to cookware. More specifically this invention relates to a resin composition having a glass transition temperature of at least 180° C. containing an amount of at least o...	05/08/2001
6197359	Use of silicone for manufacturing confectionery moulds and baking receptacles in general Use of silicone for the manufacturing of confectionery molds and baking receptacles in general. The silicone may be a heat-curable elastomer of the type intended for applications in contact with foodstuffs, advantageously methyl-vinyl-polysiloxane, and it...	03/06/2001
5123563	Double-walled cooking utensil A double-walled cooking utensil provides inner and outer metal layers which are nested together and permanently connected along peripheral flanges. Each layer provides a planar bottom portion which cooperate with each other to define a thin chamber thereb...	06/23/1992
4702159	Food press Food press has a cooking plate which rests upon a grill for heating and rests upon a food material for the cooking thereof when the food material is on a grill. A skirt surrounds the top and sides of the cooking plate, and the cooking plate floats with re...	10/27/1987
4635538	Hamburger press Food press has a cooking plate which is carried by a handle. A skirt surrounds the top and sides of the cooking plate and is floating with respect to the cooking plate. The cooking plate has sufficient thermal mass so that, when it is heated on a food gri...	01/13/1987
4541411	Graphite composite cookware Multi-ply cookware having inner and outer plies of aluminum or stainless steel encasing an intermediate ply of a graphite material. The graphite material, which has thermally anisotropic properties, is oriented so that its thermal conductivity is higher i...	09/17/1985
4320699	Flexible separable, non-stick liners for heated cooking surfaces A flexible non-stick liner of thin plastic sheet material such as tetrafluoroethylene polymers is arranged to rest in readily removable covering relation on a heated cooking surface, keeping the cooking surface substantially clean. The liner can be easily...	03/23/1982
4250215	Cooking utensil with non-stick cooking surface A cooking utensil having a body sheet of iron base metal with a non-stick coating tenaciously secured to the surfaces thereof that are presented toward foods to be cooked, the non-stick coating being of composite construction including an inner layer and ...	02/10/1981
4230758	Fluorine resin coated structure of aluminum or aluminum alloy A fluorine resin coated aluminum structure comprising: (a) an aluminum substrate with a roughened surface; (b) a coating of aluminum oxide formed on the surface of the aluminum substrate; and (c) a baked coating of a fluorine resin firmly bonded to the aluminum oxi...	10/28/1980
4229494	Ceramic utensils Non-porous, Alfred shale terra sigillata coated ceramic utensils, such as cooking pans, pots, plates, cups and heating and serving dishes, having non-sticking food-contacting surfaces are provided for use in the preparation and/or serving of foodstuffs. T...	10/21/1980
4223069	Substrate with multi-layer nonstick coating A three-coat system for use on bakeware which has a silvery appearance and can be cured at low temperatures. First, an epoxide-formaldehyde-nitrogen resin primer, which may contain aluminum flake, is applied to the substrate, then a reactive silicone-epox...	09/16/1980
4162334	Method for baking in terra sigillata coated pan A method for baking bread in a sigillata coated ceramic cookware vessels, such as bread pans. Bread baked in such pans has the taste and physical qualities of bread baked in a brick oven. In addition, the baked bread releases easily from the pan....	07/24/1979
4155788	Ceramic utensils Non-porous, Alfred shale terra sigillata coated ceramic utensils, such as cooking pans, pots, plates, cups and heating and serving dishes, having non-sticking food-contacting surfaces are provided for use in the preparation and/or serving of foodstuffs. T...	05/22/1979
4066817	Release coating for aluminum and tinplate steel cookware Aluminum and tinplate steel cookware is coated with a finely divided fluorocarbon polymer dispersed in a silanol-containing organopolysiloxane resin to provide a release coating which may be cured at temperatures which do not interfere with the metallurgi...	01/03/1978
3981233	Anti-stick grill A grill for hamburgers and the like having a grilling surface comprising about 25% but no more than about 75% Teflon, with the remainder being metallic. The Teflon is provided in the form of discrete Teflon bodies disposed in recesses in the grill surface...	09/21/1976

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Class 220/573.2 - Nonstick inner surface