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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8124917 | Accurate temperature measurement in household kettles A vessel for preparing heated water or other liquid includes a container, an electric heater and a temperature sensing probe mounted through a wall of the container. The probe includes an efficient heat transferring structure in direct thermal contact with and wet b... | 02/28/2012 |
| 8067716 | Cooking apparatus A cooking apparatus includes an outer pot that has a bottom wall and a peripheral wall that is attached to and extends upwardly from the bottom wall. A heating assembly is attached to the outer pot and is adapted for selectively heating the outer pot. An actuator is... | 11/29/2011 |
| 7919729 | Heating vessel A heating vessel comprises a bottom portion made of conductive material and perimeter wall extending upward from the bottom portion to form a perimeter and covers the vessel such as to form a cavity. The perimeter wall comprises an outer wall and an inner wall, and ... | 04/05/2011 |
| 7816629 | Vacuum heating device A vacuum heating device comprises: a pot body having an inner casing and an outer casing; a vacuum space being formed between the inner casing and the outer casing; a heat source installed at a lower outer side of the inner casing; a pot cover installed at a top of ... | 10/19/2010 |
| 7538300 | Polygonal cooking apparatus with a pressurizable condensate jacket A cooking apparatus having a polygonal skillet comprising a bottom plate with depending walls and an exteriorly mounted sealed jacket spaced away in communication with a heat source for heating a condensate contained within the jacket to a vapor that will circulate ... | 05/26/2009 |
| 7353981 | Method of making a composite metal sheet A composite metal sheet for use in making lightweight cookware or as a food warming tray comprising a layer of aluminum roll bonded to a layer of stainless steel defining a food-contacting surface on a first side. The food warming tray embodiment also includes a lay... | 04/08/2008 |
| 7328652 | Apparatus and system for dispensing dough A dough dispensing apparatus (100) comprises a container (1,1′) for receiving and holding dough and a dough transfer device (3,3′) for receiving dough from the container and for transferring the dough to a depositing station (4,5) at ... | 02/12/2008 |
| 7315692 | Electrical water heater The present invention discloses an electrical water heater including a container body which is adapted to contain a predetermined volume of water, a heating unit mounted to the heater body for heating the water, and a temperature control unit for operating the heati... | 01/01/2008 |
| 7288745 | Temperature controlled food storage and serving pan A pan including a shelf dividing the interior thereof into a lower chilling element and an upper portion disposed in heat relationship with the lower portion and a lid for covering the top of the container and having a serving surface for display of food thereon. | 10/30/2007 |
| 7285752 | Heated merchandiser for bread and the like A merchandiser for elongate loaves of bread includes at least one rack having a rear wall, a front wall spaced apart from the rear wall, a pair of sidewalls disposed between the rear wall and the front wall along opposite sides thereof, and a bottom wall disposed be... | 10/23/2007 |
| 7276677 | Pressure cooking vessel A pressure cooking vessel using a cylindrical cooking chamber and rectangular food racks. This combination allows one to enjoy the benefits of using a cylindrical chamber to pressure cook along with the benefits of using rectangular racks to display the food. ... | 10/02/2007 |
| 7276676 | Combined food and food-plate warming device A food and food-plate warming device includes a base plate that has a planar top surface and has an outwardly beveled edge provided with laterally stepped ridges concentrically spaced from the top surface center. A cover plate is positioned on the base plate and has... | 10/02/2007 |
| 7277626 | Illuminated air freshener Disclosed is a novel apparatus and method that combines a nightlight and an air freshener in a single device. The apparatus includes circuitry where a single resistor heats a heating block that heats and releases a volatile aromatic. The resistor also limits the cur... | 10/02/2007 |
| 7211770 | Deep frying appliance An electric deep frying appliance adapted for the heating of cooking oil comprising a bowl and heating assembly; said heating assembly including a heat distributor wherein said heat distributor is in the form of an annular dished member; said heating assembly furthe... | 05/01/2007 |
| 7192001 | Thermopneumatic microvalve A microvalve device includes a semiconductor-based valve housing that defines a flow passage, and a valve face disposed within the valve housing and in fluid communication with the flow passage. The microvalve device further includes a thermal expansion actuator tha... | 03/20/2007 |
| 7148451 | Rice cooker When water temperature is high and time germinating step is short, it is hard to cook freely to individual preference, and water turbidity and bad smell are likely to occur. By germinating with immersing brown rice or rice with the germ in water at 28 to 34 degrees ... | 12/12/2006 |
| 7141764 | Externally heated deep fat fryer An externally heated deep fat fryer includes a tank defined by a plurality of side walls and at least one bottom wall for receiving and holding a volume of cooking oil. Heating elements are positioned adjacent to a substantial portion of the external surfaces of the... | 11/28/2006 |
| 7108438 | Packaging and applicator device for a cosmetic product and/or a beauty care product incorporating a means of heating A packaging and applicator device for a formulation used, for example, for make-up and/or care of keratinic fibers. The device includes a reservoir in which the formulation is placed, and an applicator capable of being loaded with a quantity of the formulation. The ... | 09/19/2006 |
| 7105780 | Cooking device and procedure The cooking device has a tank with an electrical heater means containing a basket for the food connected to an actuator suitable for moving it between a position inside and a position at least partially outside the tank. A first temperature sensor of a portion of th... | 09/12/2006 |
| 7098427 | Device for filtration of the frying bath in an electric fryer having an immersed heating resistor A device for filtering the frying bath of an electric fryer having a heating resistor that is immersed in a frying bath in a tank during frying, the device including: a filter screen adapted to extend beneath the immersed electric resistor; and at least one holding ... | 08/29/2006 |
| 7056806 | Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure.... | 06/06/2006 |
| 7012221 | Roasting oven with dual heating elements A roasting oven having a large capacity heating well including a wrap-around heating element for heating the side walls thereof and a top heating element for browning is disclosed. A function control panel featuring a touch-film interface and digital display of cook... | 03/14/2006 |
| 6967311 | Smolder pot with temperature control function A smolder pot capable of cooking food as heat source is removed. The smolder pot comprises a cooking pot. At least one heat accumulating disk is fixed to a center of a bottom of the cooking pot; the heat accumulating disk being retained with a gap from the bottom. W... | 11/22/2005 |
| 6959704 | Grill unit and cooking apparatus with the same A grill unit and a cooking apparatus having the grill unit, the grill unit including a plurality of grill pipes; water tanks connected to ends of the grill pipes to supply water into the grill pipes; covers to selectively open and close upper portions of the water t... | 11/01/2005 |
| 6953913 | Hot pan A pan warmer and controller for the pan warmer allows a user to preset operating conditions of the pan warmer using a digital controller, and to lock out changes to the operation of the pan warmer unless a code has been entered. The pan warmer monitors water level a... | 10/11/2005 |
| 6953922 | Cooking apparatus and method of controlling the same A cooking apparatus having heaters which performs cooking by taking a remaining heat of the heaters in a cooking cavity into consideration if food is cooked using a heating method through the heaters. The cooking apparatus performs cooking based on an accumulative t... | 10/11/2005 |
| 6943323 | Battery operated self heating thermos container A thermos container with inner sealing cap and outer cap used to contain solid or liquid foods. Integral heating coils contained within the innermost compartment of the receptacle receives energy from the main power cord connected to the On/Off sliding switch power ... | 09/13/2005 |
| 6924468 | System and method for heating materials A system and method for heating materials is provided. Generally, the system contains a first layer upon which a material may be placed for heating the material, wherein the first layer has sufficient conductivity to allow heat to travel through the first layer. The... | 08/02/2005 |
| 6925252 | Electric heating fumigator An electric heating fumigator (100) includes a base (9), a case cover (12) and a heater support (3) mounted on the base (9). A heater (1) is inserted into the heater support (3) and heat-insulation layers (2, 5... | 08/02/2005 |
| 6909072 | Constant temperature sealed cooking device The invention discloses a constant temperature sealed cooking device providing a conventional sealed cooker with constant temperature cooking effects. The constant temperature sealed cooking device is devised with a constant temperature generating apparatus at an in... | 06/21/2005 |
| 6807899 | Electric cooking appliance having a tank associated with a pouring device An electric cooking appliance composed of: a tank for holding a cooking liquid; a housing in which the tank is mounted, the housing having an upper opening; an upper peripheral rim surrounding the upper opening, the upper peripheral rim being provided with an indent... | 10/26/2004 |
| 6756567 | Paraffin wax warmer bath An apparatus for melting paraffin wax is provided. It includes an integral plastic inner tub attached to an integral aluminum plate holder, each of which has a flat bottom and a sloped wall. A positive temperature coefficient heating element is attached to the flat ... | 06/29/2004 |
| 6677556 | Inner pot of an electric fryer The inner pot of an electric fryer includes an annular electric heating tube at the bottom. Two ends of the electric heating tube are separated from each other, forming there between a gap that forms the coolest section of the inner circumference at the b... | 01/13/2004 |
| 6674050 | Method and an apparatus for charging a heating cushion/washer A method and an apparatus for charging a so-called heating washer (heating cushion) (10) with heat energy to be liberated at a chosen point of time through activating the heating washer (10) when the same e.g. has been placed on stiff/tender musculature. ... | 01/06/2004 |
| 6606937 | Self-heating hot beverage serving urn and method A self-heating urn (10) is provided with a warmer packs (18) which are rapidly heated during the brewing process and then gradually release their heat to the brewed beverage within the urn after it is removed from the brewing location to a serving locatio... | 08/19/2003 |
| 6590187 | High-voltage electric field generating system and fryer therewith The present invention relates to a fryer provided with a system that generates a high-density electromagnetic field, preventing deterioration of cooking oil. The fryer comprises: an oil container holding cooking oil; a high-voltage power supply to generat... | 07/08/2003 |
| 6552306 | Wok A cooking appliance (wok) (10) having a stainless steel bowl (11) to which there is attached a heating base (15). Embedded in the heating base (15) is an electric heating element (17). The bowl (11) is formed of stainless steel and is of an arcuate config... | 04/22/2003 |
| 6486446 | Combination of a bottom of a pan and a heating means A combination of a bottom of a pan and a heating device comprises a pan, an aluminum alloy plate and an electric heating member welded to a bottom of the pan by means of instantaneous welding, a thermostatic circuit fixed to the bottom of the pan for keep... | 11/26/2002 |
| 6441347 | Vaporization apparatus A vaporization apparatus comprises a cover, a base, and a heating pipe. The base is arranged below the cover and assembled integrally with the cover. The base has an accommodation space therein and a heat-conducting fin plate is provided in the accommodat... | 08/27/2002 |
| 6441348 | Heat treatment apparatus and method of using same Apparatus for melting a solid mass of wax is disclosed. The apparatus comprises a housing having a base and a sidewall. A heating element is disposed inside the housing and positioned near the base for generating heat. A heat conducting plate is positione... | 08/27/2002 |
