In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 7342201 | Silcon carbide element A ceramic heating element arrangement in which a ceramic heating element made of SiC having electrical NTC (negative temperature coefficient) properties is provided for a circuit. At least one segment is provided in the circuit, whose resistance saturates at least q... | 03/11/2008 |
| 7123827 | Moderating device for an electric stove heating unit A system and a method of operating that system are used to quickly adjust the temperature of an electric stove-heating element, such as those used with a flat-top cooking surface. A heat transfer or moderating fluid is pumped into a cooking unit containing an electr... | 10/17/2006 |
| 7067773 | Food warming device and methods for its manufacture A food warming is provided with a partially open housing having an open side extending along a longitudinal length of the housing. A heating element is also provided, extending along the longitudinal length of the housing. A support member is disposed to maintain a ... | 06/27/2006 |
| 7050711 | Moderating device for an electric stove heating element A system and a method of operating that system are used to quickly adjust the temperature of an electric stove heating element. A heat transfer or moderating fluid is pumped through a hollow portion of an electric stove heating element. The moderating fluid is heate... | 05/23/2006 |
| 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 |
| 6943319 | Triaxial heating cable system A cut-to-length heating system including a heating cable having a first conductor with a first resistivity and a second conductor with a second resistivity. The heating cable having a first end and a second end with the first conductor being electrically connected t... | 09/13/2005 |
| 6448539 | Electric heating element and method for its production On the one hand is provided an electric heating element (15, 31) consisting of a semiconducting ceramic (28, 32) as well as a method for its production. The semiconducting ceramic material may be porous or foamed to thus contain pores (29, 34) open outwar... | 09/10/2002 |
| 6216334 | Electric heater and method of manufacture A flexible electric heater comprises a heat resistant support (4) of sheet or tape form having at least one electrical resistance heating element (1) secured thereto. The at least one heating element comprises a ribbon (2) of electrical resistance materia... | 04/17/2001 |
| 6115540 | Radiative keyboard heating apparatus Methods and apparatus are disclosed for warming a typist's hands to provide relief from arthritis, muscle fatigue, Carpal Tunnel Syndrome and general discomfort. A radiative hand warming apparatus is disclosed, including a source of hand-warming radiation... | 09/05/2000 |
| 5935470 | Composition heating element for rapid heating A heating element (10) for a cook top or the like has a predetermined heating profile by which the temperature of the heating element is rapidly increased from room temperature to a cooking temperature because of an initially high level of power dissipati... | 08/10/1999 |
| 5910265 | Electric range and a reversible element therefor The invention is an electric range with a reversible electrical element. When the electric element is positioned in its non-reversed position, it can be used as a normal electric element for traditional cooking. When the reversible element is positioned i... | 06/08/1999 |
| 5852282 | Spider bracket assembly A spider bracket (10) supporting an electrical heating element (H) having respective ends (E1, E2) connected in an electrical circuit. The spider bracket has a plurality of arms (12-18) supporting the heating element. These ends are affixed to an electric... | 12/22/1998 |
| 5657532 | Method of making insulated electrical heating element using LTCC tape The present invention provides a method for making an insulated electrical heating element such as for domestic appliances to heat water, etc. wherein a resistive track is embedded in a dielectric ceramic insulating material. The method includes the steps... | 08/19/1997 |
| 5410128 | Hold down spring clip for electric range coil type heating elements A heating element assembly is provided in an opening in a top panel of an electric range. The heating element assembly includes a drip pan, a coil-type heating element, a multi-legged spider, and a spring clip. Opposite ends of the spring clip are receive... | 04/25/1995 |
| 5227611 | Burner means mounting assembly A mounting assembly is used in mounting a supporting element to support a burner. The mounting assembly includes at least two arms to engage the leg portions of a burner and further provides an upwardly extending leg for connection with the supporting ele... | 07/13/1993 |
| 5153414 | Spider bracket A spider bracket includes a plurality of arms defining a planar surface and adapted to abut with the coiled section of a heater element and a crimp bracket extending from the arms. The crimp bracket has a plate extending substantially perpendicular to the... | 10/06/1992 |
| 5136142 | Retractable burner for an electric range having a removable burner element In a device for raising and lowering a burner element of an electric range, cookware is supported upon a plurality of rigid posts and the burner element is raised and lowered in a plane parallel to the plane of the bottom surface of the cookware. This all... | 08/04/1992 |
| 5079408 | Drip pan An insulated drip pan assembly for a cooking range including an upper pan and a lower pan between which insulation is sandwiched; the two pans and insulation cooperating together to reduce both the time and energy required to cook food in a cooking vessel... | 01/07/1992 |
| 4906819 | Hold-down clip for electric range surface elements A hold down or retaining clip is provided for removably securing a supporting spider for a heating element to a top wall of an appliance such as an electric range. Generally in such appliance there is a burner bowl in which the spider and heating element ... | 03/06/1990 |
| 4665292 | Boil point prediction arrangement for cooking appliance An automatic boil point prediction arrangement for a cooking appliance having an automatic surface unit, in which the surface unit is operated at a predetermined power level at least until the sensed utensil temperature rises to a predetermined threshold ... | 05/12/1987 |
| 4639578 | Temperature sensor failure detection system for cooking appliance A power control arrangement for a cooking appliance equipped with an automatic surface unit, the energization of which under normal operating conditions is controlled in accordance with a closed loop control strategy as a function of the sensed utensil te... | 01/27/1987 |
| 4553025 | Insulated electric heating element An insulated electric heating element particularly suitable for use in a hot plate or electric stove is disclosed. The insulated electric heating element (11) includes a unitary two chamber housing (21). The chambers are located one above the other. A U-s... | 11/12/1985 |
| 4506141 | Reduced size heating assembly for an electric stove A heating assembly having a heating element including a coil portion having a substantially circular array and dimensioned to be substantially smaller than the surface aperture on the cooking surface of an electric stove in which it is mounted. An adaptor... | 03/19/1985 |
| 4480176 | Insulated electric heating element An insulated electric heating element particularly suitable for use in a hot plate or electric stove is disclosed. The insulated electric heating element includes an insulating member comprising a layer of ceramic insulation surrounding the sides and bott... | 10/30/1984 |
| 4435638 | Electric range surface element A resistance heating element is formed in a spiral pattern to a spherical radius to provide conductive heating for a wok. The resistance heating element is supported by a support which accommodates the spherical surface of the heating element. The heating... | 03/06/1984 |
| 4431907 | Range temperature protection A domestic range of the electric type includes a cooking platform providing a plurality of "burner" locations constituted by pancake-shaped surface heating elements formed of spirally wound resistance wire. An elongated boxlike control unit extends upward... | 02/14/1984 |
| 4394565 | Power disconnect assembly for electric heating elements A power disconnect assembly for a plug-in electric heating element adapted to support and heat a cooking vessel and its contents. The assembly includes a terminal block with terminals for receiving the plug-in heating element and supplying electrical powe... | 07/19/1983 |
| 4388518 | Electric surface heater assembly A tubular heating element including a convoluted central heat generating portion with offset terminal legs extending from the free ends of the inner and outer convolutions, and a support spider freely underlying, and without direct securement thereto, the... | 06/14/1983 |
| 4388519 | Noise isolation means for convoluted sheathed electric heater This invention relates to electric heaters of the type consisting of a flat convoluted loop or coil adapted to be arranged in an opening in a cooktop and, more particularly, to a support system wherein means are provided for cushioning vibrations resultin... | 06/14/1983 |
| 4381444 | Range surface unit receptacle The spadelike terminal pins of a conventional plug-in surface heating element for a domestic range of the electric type are received in a socket member hingedly mounted to the range by a clip structure including a spring-biased pin joint. The clip structu... | 04/26/1983 |
| 4378485 | Electric heating unit having noise isolation means for convoluted sheathed electric heater This invention relates to electric heaters of the type consisting of a flat convoluted loop or coil adapted to be arranged in an opening in a cooktop and, more particularly, to a support system wherein means are provided for cushioning vibrations resultin... | 03/29/1983 |
| 4370692 | Ground fault protective system requiring reduced current-interrupting capability A ground fault interrupter type device for protecting an electrical load device such as a range which has conductors supplied from a power source including overcurrent interruption means for interrupting the power source when a predetermined current thres... | 01/25/1983 |
| 4334145 | Energized range burner signal When a top burner of the electric range is energized, a sensible signal means is simultaneously activated. This sensible signal means is deactivated by the act of placing a cooking utensil upon said energized top burner. Circuit means are provided for ele... | 06/08/1982 |
| 4280044 | Heat absorbing and radiating device for electric stoves A heat absorbing and reflecting disc-shaped device having a flat top and a convex bottom and an irregular radially inward-extending cut-out and a plurality of randomly spaced throughbores, said disc being removably mounted on an electric range between the... | 07/21/1981 |
| 4251720 | Heater assembly A heater assembly for a container such as a cooking vessel includes a heating coil in a tubular heater casing, with a connecting pin member connected to the heating coil and projecting through an insulating sleeve mounted to the end of the casing. A plug ... | 02/17/1981 |
| 4214150 | Electric heating elements An electric heating element for the top panel of a cooking stove, having terminals adapted to be plugged into a terminal block carried by the stove panel, and embodying means for automatically interrupting current flow to the heating element when a cookin... | 07/22/1980 |
| 4189633 | Flexing device for holding a surface electric heating element in a raised position The flexing device comprises a strip of metal adapted to be secured to the underside of a drip pan in which a planar formation of a surface electric heating element is disposed. Terminal legs and portions connecting the terminal legs to the planar formati... | 02/19/1980 |
| 4126778 | Cooking-stove structure Improvements in cooking stoves or ranges, whether of the gas or electric variety, which advantageously recaptures and directs heat to the underside of the cooking vessel and at the same time permits restricted air circulation to allow for air-conduction o... | 11/21/1978 |
| 4013870 | Terminal block mounting for a plug-in surface heating unit A plug-in surface heating unit assembly for use in the cooktop of an electric range. The heating unit is a metal sheathed electrical resistance heating element in spiral form with radial, outwardly directed terminal portions in close formation. The invent... | 03/22/1977 |
| 4010350 | Electric heating elements An electric heating element of the metal sheathed type, particularly a range surface unit comprising a spiralled metal tube having one closed end and containing compacted refractory insulation material and a helical coil of resistor alloy insulated from t... | 03/01/1977 |