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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7100598 | Steaming device and system for residential ovens A steamer device and system for a residential oven is shown for creating steam for the purpose of baking having a steamer insert having a bottom surface for resting on a rack in the oven, the steamer insert having, in sequence, a first chamber, a dam device and a se... | 09/05/2006 |
| 6978914 | Valve elements for pressurized containers and actuating elements therefor Apparatus for placing contents of a first container in fluid communication with a delivery apparatus includes an actuating element carried by the delivery apparatus and a valve element carried by the first container. At least one of the actuating element and the val... | 12/27/2005 |
| 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 |
| 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 |
| 6914221 | System and method for warming food The present invention relates to a system comprising at least one serving dish configured to support food and a power source which comprises at least one portable electrical power generating device. The power source provides power to heat the food. ... | 07/05/2005 |
| 6660972 | Container for storing hazardous material and a method of enclosing hazardous material in a concrete container body A container for storing hazardous material and a method of enclosing hazardous material in a concrete container body defining a storage space and having an access opening for introducing the hazardous material in the storage space comprises fluid-tight se... | 12/09/2003 |
| 6230612 | Steamer with lateral water fill Heating part of a steamer, composed of a base structure (1), a heating body (2), a main water reservoir (4) communicating with the heating body (2) and enclosing an air volume, a lid (10) closing the reservoir (4), a filling orifice (8) opening on an exte... | 05/15/2001 |
| 6078029 | Efficient cooking range system An efficient cooking range system for maximizing the contact between the heating element of a cooking range and a cooking pot or pan being heated by the heating element. The efficient cooking range system includes a cooking range with a cook top having a ... | 06/20/2000 |
| 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 |
| 5808278 | Electronic appliance and a sabbath mode therefor An appliance capable of being operated in compliance with the Orthodox Jew requirement that no work shall be done on the Sabbath. The applicance has a control system that monitors and controls all of the components of the applicance. The control system ca... | 09/15/1998 |
| 5313047 | Analytical sample preparation system An interchangeable module for supporting a receptacle into which a molten sample, prepared by a fluxer, can be poured for analysis. One module can support a resistively heated casting dish into which a molten sample can be poured and cooled to form a soli... | 05/17/1994 |
| 5247994 | Method of stimulating oil wells This invention describes a method of stimulating production from an oil well by removing solid wax deposits from a production zone. An electrical resistance heater comprised of a packed bed of spherical heating elements is lowered through the tubing on a ... | 09/28/1993 |
| 5231770 | Treating device having an open design for human hair of the head A device for monitoring the position of the head is provided at a treatment device having an open design for human hair on the head, which device is outfitted with at least one transmitter and at least one receiver for generating and receiving a measureme... | 08/03/1993 |
| 5065818 | Subterranean heaters An electrical resistance subterranean heater is provided which is cemented directly in a well borehole without a casing in the borehole within the zone to be heated. The absence of the casing results in an economical installation.... | 11/19/1991 |
| 4922079 | Combination cooking cartridge A combination bake oven/steamer/broiler cartridge for cooking food on a cooktop. A heat source is placed on a pan within a cooktop frame. A cartridge is placed over the heat source and inserted into the pan. The heating device warms the cartridge. The car... | 05/01/1990 |
| 4798939 | Pressurized liquid cooker with integrated radiant heating apparatus A pressurized batch cooking pot has an encircling radiant heater which has a high temperature insulation shell with end abutting the pot and a center portion spaced from the pot. A spiral coil is firmly embedded within the inner wall of the insulation she... | 01/17/1989 |
| 4794228 | Self-regulating heater assembly A heater assembly includes a heater with an electrical resistance wire element bonded between first and second layers of silicone rubber insulation. First and second conductor plates each having inner and outer surfaces are clamped together with the heate... | 12/27/1988 |
| 4779605 | Food warmer well hinged clamp The present invention provides a hinged clamp which allows ease in both installing and removing drop-in type food warmers. A warmer well which is placed or dropped into a cut out defined in a counter top includes an outwardly extending flange to support t... | 10/25/1988 |
| 4658117 | Food warmer with removable electric heater A apparatus for maintaining precooked food at a desired temperature includes a stationary hollow housing mounted in the bottom part of a warmer for holding a quantity of food. The housing defines a cylindrical passage having an entrance through a wall of ... | 04/14/1987 |
| 4590653 | Turbine rotor heating, disassembly, handling and reassembly method and apparatus A turbine rotor disassembly, handling and reassembly apparatus employs a feedback-controlled electric heating oven to rapidly heat a turbine wheel while the rotor shaft is in the horizontal position. An adapter interfaces the wheel to a handling spool who... | 05/27/1986 |
| 4570715 | Formation-tailored method and apparatus for uniformly heating long subterranean intervals at high temperature Long intervals of subterranean earth formations are heated at high temperatures for long times with an electrical heater containing spoolable, steel sheathed, mineral insulated cables which have high electrical conductivities, enabling them to heat the ea... | 02/18/1986 |
| 4355227 | Apparatus for the destruction of microfiches and the like Microfiches to be destroyed by heat treatment are placed within a disposable tube fitted with a sealing plug, then baked to a sufficient temperature to cause melting and discarded. The apparatus comprises an electric heating resistor and a tubular heating... | 10/19/1982 |
| 4312835 | Thermal control means for liquid chromatograph samples A Peltier effect thermal control sample containment means for an automatic sample holding apparatus used in conjunction with a liquid chromatograph analysis. The apparatus provides for the cooling or heating of a plurality of liquid chromatography samples... | 01/26/1982 |
| 4284880 | Heating well A heating well for a hot food serving appliance wherein a heat dispersing plate is supported on ledges provided adjacent the lower end of a well housing. An open-top stainless steel well pan fits within the housing with the bottom wall of the pan residing... | 08/18/1981 |
| 4273992 | Electric heating apparatus for heat-treating pharmaceuticals An electric heating apparatus for preventing recrystallization or to dissolve existing crystals of pharmaceutical compositions, such as mannitol, which tend to recrystallize during storage. Single dose sealed vials of the pharmaceutical are received in a ... | 06/16/1981 |
| 4247755 | High pressure autoclave An apparatus for treating a workpiece at elevated temperatures and pressures comprising an elongate cylindrical pressure vessel. Within the pressure vessel a hearth sits upon a pedestal. Heating elements are circumferentially spaced about the hearth. A he... | 01/27/1981 |
| 4165359 | Autoclave aseptor A sterilizer or aseptor for contact lenses and the like is disclosed, which provides a capsule adapted to both carry and sterilize a single set of contact lenses. The sterilizer includes a well adapted to receive the capsule, and when the well is heated, ... | 08/21/1979 |
| 4147924 | Tortilla warmer The present invention is an apparatus for use at the dining table to provide a continuous supply of hot tortillas. An elongated housing has two openings in the top thereof with a first opening having a resistive heating element contained therein, and the ... | 04/03/1979 |
| 3985511 | Constant temperature bath for laboratory use The specification discloses a constant temperature bath for laboratory use including a one-piece, molded, structural expanded foam tank and an apertured cover for supporting laboratory containers. A steam heating pipe is disposed within the tank as well a... | 10/12/1976 |
| 3983363 | Electrically heated semen warming and storage unit A warming and storage unit for quickly thawing frozen artificial insemination materials and in which such materials and insemination guns used in such operations may be stored at desirable temperatures while awaiting use. The unit includes a metal block p... | 09/28/1976 |
| 3983361 | Electric heating apparatus for heating corrosive solutions A pyrex tank for heating corrosive solutions is formed with a main body portion having an open top and with a small annular cavity portion depending from the bottom of the main body portion. A heater unit comprising a heating element enclosed in a quartz ... | 09/28/1976 |
