Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8080768 | Arrangement for a cooktop and a worktop An arrangement with a worktop and a cooktop with a cooking surface, a mounting frame and a decorative frame, which is arranged in a recess in the worktop, with the distance elements, embodied for relative positioning of the cooktop in relation to the recess and on w... | 12/20/2011 |
| 7989738 | Grommet assembly for warming liquids on work surface A liquid warming grommet assembly (400, 500) maintains liquids or other materials in a vessel (406) at a desired temperature. The grommet assembly (400, 500) includes a grommet (408) receivable within an aperture in a work surface (404... | 08/02/2011 |
| 7825353 | Electric cooking apparatus Various embodiments of an electrical cooking apparatus are disclosed. In one embodiment, an electrical cooking apparatus includes a substantially continuous cooking surface, a plurality of electrical heating elements disposed under the substantially continuous cooki... | 11/02/2010 |
| 7759617 | Gas range and method for using the same A gas range includes a gas cooktop including a plurality of gas cooktop burners, and an oven coupled to the gas cooktop. The oven includes an oven cavity comprising a top portion, a bottom portion, a rear portion coupled to the top and bottom portions, a first side ... | 07/20/2010 |
| 7732740 | Casing for electric stoves A casing for electric stoves includes an annular frame and a bottom board that are detachably coupled through a plurality of connectors. The frame has at least one lateral side with an air convection means located thereon. The bottom board has an upper surface with ... | 06/08/2010 |
| 7683293 | Transparent high temperature resistant and protective coating for domestic appliances and method for its deposition A domestic appliance, particularly a cooking appliance, having a metallic surface, is provided with a coating based on silicon oxide. Such coating is deposited on the metallic surface by plasma enhanced chemical vapor deposition (PECVD). The coating protects the met... | 03/23/2010 |
| 7595466 | Household appliance comprising an operating strip Known household appliances for integrating into a sector of a worktop include an operating strip containing at least one operating element and having a supporting surface on the lower side thereof for supporting the household appliance on the worktop, and a housing ... | 09/29/2009 |
| 7375307 | Glass-ceramic plates, method for making same and cooking surface equipped with same A glass-ceramic plate, a method of manufacturing a glass-ceramic plate, and hubs equipped with the glass-ceramic plate. A flat or substantially flat glass-ceramic plate includes a surface provided with pegs, the plate configured to equip a hob. At least one smooth r... | 05/20/2008 |
| 7359096 | Floating window A floating window, suitable for use in a flatbed scanner. The flatbed scanner has at least a top lid and a chassis. The floating window includes a transparent flat panel disposed under an opening of a top lid. A supporting structure and a limiting structure are furt... | 04/15/2008 |
| 7281715 | Cooktop gasket A cooktop gasket includes a sealing body having a stem extending from an upper portion of the gasket and terminating in a retention knuckle. A base is provided that includes a support portion integrally connected to a locking portion, the locking portion having an i... | 10/16/2007 |
| 7274008 | Induction hob with monobloc housing components An induction hob comprising a hotplate, beneath which at least one induction mechanism is situated in a housing. The housing comprises a base and lateral walls that project vertically and are connected to the hotplate. The walls delimit an inner chamber of their cor... | 09/25/2007 |
| 7274003 | Grill unit for use especially in commercial kitchens A grill for use especially in commercial kitchens includes at least one electric heating element and, directly above said heating element, at least one food-product holder these components jointly forming a grill platform and said food-product holder featuring nozzl... | 09/25/2007 |
| 7265747 | Optically based operating device for a household appliance An operating element can be used to operate or control a household appliance, for example a cook top heating element. A seven-segment display is arranged beneath a cover in the region of a contact surface. A light source and a light receiver are arranged inside resp... | 09/04/2007 |
| 7227106 | Modular grill cooker and multipurpose cooking apparatus having the same A modular grill cooker that is easily installed in a multipurpose cooking apparatus, including an outer casing and an inner casing set in the outer casing. A heating unit is mounted to a heat reflecting plate fastened to the inner casing. A grilling unit is seated o... | 06/05/2007 |
| 7208703 | Cooking top plate A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of −5×10−7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness ... | 04/24/2007 |
| 7141521 | Flat float glass This invention relates to a flat float glass that can be prestressed or transformed into a glass ceramic with high quartz mixed crystals or keatite mixed crystals. To eliminate undesirable surface defects during floating and to achieve superior characteristics of th... | 11/28/2006 |
| 7081603 | Composite cooking apparatus A composite cooking apparatus having a body, a heating unit, an induction heating unit, and an insulating plate. The heating unit is positioned in the body to generate heat used to heat food. The induction heating unit is positioned adjacent to the heating unit to g... | 07/25/2006 |
| 7022949 | Electric cooking range having multiple-zone power control system and wipe resistant control panel A multiple-zone power control system for controlling electric heating elements, including a power control unit having multiple control zones, a touch-sensitive function key, and a touch-sensitive on/off key for activating and deactivating one of the control zones. W... | 04/04/2006 |
| 7009150 | Cooking unit with a glass-ceramic or glass panel made of transparent colorless material and provided with an IR permeable solid colored underside coating The cooking unit has a glass-ceramic panel (1) providing a cooking surface, which is made of transparent colorless glass-ceramic bulk material or a glass panel made of pre-stressed transparent colorless glass material. Radiant heating elements (3) are ... | 03/07/2006 |
| 7005616 | Cooking apparatus having a plurality of cooking sets to cook foods in different cooking modes A cooking apparatus includes an electric heating plate having a heat source therein transmitting heat from the heat source to food, and a cabinet supporting the electric heating plate. The electric heating plate is electrically connected to the cabinet, and is remov... | 02/28/2006 |
| 7005615 | Keep'n'heat The food warmer is a subdivided individual sectioned compartments that holds a multiple portion of foods with transparent covers and is operated by a motorized turntable that the foods. The heating is an option of electricity or battery power. The two unit heating s... | 02/28/2006 |
| 7002110 | Electric smokeless roaster An electric smokeless roaster capable of eliminating ducts installed on the inside and outside of a shop and almost eliminating the generation of harmful gases such as NOx, comprising an electric heater unit (2) installed on the upper part of a casing (1 | 02/21/2006 |
| 6930289 | Cooking stove and method for production and components thereof A cooking stove having a cook top, or hob, for cooking food, components thereof, and method of production. The stove has a stove body, a smooth-top cook top with a cooking surface to cook food thereon, and a heat source disposed adjacent to the cooking surface. The ... | 08/16/2005 |
| 6903309 | Cooking appliance having concealed cooking feature A cooking appliance shown in the form of a cooktop includes a upper cooking zone and a concealed lower cooking zone. The upper cooking is defined by a pivotally mounted frame portion within which is arranged a plurality of heating elements. Located below the upper c... | 06/07/2005 |
| 6794020 | Cooking device with a glass-ceramic panel providing a cooking surface in a variety of different colors and method of making same The glass ceramic panels are non-transparent and have at least one decoration. In order to fulfill the requirements for a glass ceramic panel that provides a cooking surface for a cooking unit in a variety of different pleasing colors, especially a creamy white colo... | 09/21/2004 |
| 6712066 | Rear alignment and support system for a cooking appliance cooktop A cooking appliance includes a cabinet, defined by at least front, side, bottom and back panel portions, a pair of laterally spaced end caps provided at an upper rear portion cabinet, and a range top mounted upon an upper portion of the cabinet. At least two sets of... | 03/30/2004 |
| 6639191 | Hot plate unit A hot plate unit for heating semiconductor wafers. The hot plate unit includes a case, a hot plate, a seal element, and a holding ring. The seal element is made of a heat insulative material and is arranged between the case and the hot plate. The hot plat... | 10/28/2003 |
| 6621054 | Modular hot plates The invention discloses a hot plate unit having an outer housing, at least one inner housing within said outer housing, at least one ribbon or radiant heating element within said at least one inner housing, an insulating means around at least one of said ... | 09/16/2003 |
| 6492622 | Cooking arrangement for cooking food such as a stove, a cooktop, and other cooking appliances, with an easy-to-clean surface A cooking surface for a cooktop. Encrusted, spilled, or overflowing food is deposited on the cooking surfaces of cooktops during cooking and the removal of such residue is difficult because the surface of a cooktop is typically rough and uneven. The inven... | 12/10/2002 |
| 6492623 | Prefabricated set for making a cooking surface A prefabricated set for making a cooking top. The prefabricated set includes a glass ceramic hot plate and a frame including a part extending at the hot plate periphery and another part extending in a plane substantially vertical to the hot plate. At leas... | 12/10/2002 |
| 6455818 | Downdraft filter assembly for a cooking appliance A filtering system for a downdraft cooking appliance includes a filter assembly arranged directly below an air grill leading to a venting plenum. The filter assembly includes a liner which supports a filter element and is removably positioned inside the p... | 09/24/2002 |
| 6410891 | Cooking unit, such as a stove, for cooking food A cooking unit, such as a stove, for cooking food, which cooking unit may have a cooking hob and cooking elements associated therewith; a mounting and a method of manufacture for a mounting; and a method of manufacture for a cooking unit, such as a stove,... | 06/25/2002 |
| 6384384 | Boil dry detection in cooking appliances Boil dry conditions are detected in utensils heated on a cooking appliance having at least one energy source disposed under a cooking surface such as a glass-ceramic plate and a controller for controlling the level of power supplied to the energy source. ... | 05/07/2002 |
| 6361858 | Mounting for a cooking surface A mounting for a cooking surface held at its periphery by at least one support part comprising a fiberglass reinforced duromer or thermosetting resin selected from the group consisting of an unsaturated polyester resin, a melamine resin, a phenol resin, a... | 03/26/2002 |
| 6339212 | Cooking appliance having controls cooled by natural convection and method of cooling the same Improved cooling is achieved in a cooking appliance including a burner box having at least one burner assembly disposed therein. A control box containing control electronics is spaced below the burner box so that a gap is created between the burner box an... | 01/15/2002 |
| 6323466 | Portable stove Upper and lower housing portions 4, 6, and 8 are connected together around a reduced width interface 10. An electric heating element 38 projects upwardly from the top to allow containers of various sizes to be placed on the element 38. The element 38 has ... | 11/27/2001 |
| 6297482 | Ceramic-based downdraft cooktop having angled front face portion A unitary, one-piece, bent ceramic-based cooktop, mounted on a countertop or upon an appliance cabinet, includes a main plate portion, which defines varies spaced heating element zones, and a face plate portion, which is integral with the main plate porti... | 10/02/2001 |
| 6274848 | Modular hot plates The invention relates to a set of modular table model hot plates for cooking having substantially square or rectangular outlines in plan view, comprising the following features in combination: (a) each hot plate forms a module having one or more sides of ... | 08/14/2001 |
| 6257228 | Tempered glass hob for kitchen A hob (1) consisting of a sheet (2) of tempered glass for kitchen appliances, wherein said sheet of glass (2) has holes (3, 4) with shaped edges, such as to create raised parts or protrusions (5) which rise above the surface of said sheet of glass (2). Pr... | 07/10/2001 |
| 6255628 | Burner apparatus The present invention is directed to a new and novel burner apparatus for use with electric or gas ranges; that is relatively easy to clean and maintain; that can provide a heating surface that can accommodate various sizes of cooking vessels; is relative... | 07/03/2001 |
