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James L Griggs: C-faced heating pump. Hydro Dynamics, Pitts & Brittian P C, September 28, 1999: US05957122 (49 worldwide citation)

A system for the heating of fluids by causing severe turbulence of the fluid within a cavity of a housing. The device utilizes a rotor closely received within a cavity, the rotor mounted upon a rotatable shaft, with the surface of the rotor provided with a plurality of uniformly-spaced recesses orie ...


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Ralph E Pope: Apparatus for frictionally heating liquid. Kinetic Systems, Oblon Spivak McClelland Maier & Neustadt, August 30, 1994: US05341768 (49 worldwide citation)

A heater for heating liquid by friction includes a rotor rotatable within a housing filled with liquid, the rotor having passages arranged to expel liquid through friction orifices by centrifugal force from a pair of inlet cavities on opposite sides of the rotor. The outlets of the passages lie in a ...


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Rhoads Delmar Dean, MacKay Robert H, Krimmel Gary W, Canevello Victor A: Reversible air flow oven. Lincoln Manufacturing Company, Jeffers Albert L, Rickert Roger M, January 21, 1975: US3861378 (49 worldwide citation)

An oven for warming pre-packaged foods is disclosed having a removable bottom portion on which the foods may be stacked in baskets so that warm air may flow across and around the individual packages when the bottom is inserted in the oven. The oven has an upper plenum portion containing a heater ele ...


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Gould Jr Robert R: Domestic range control and display system. General Motors Corporation, Duke Albert F, June 25, 1974: US3819906 (49 worldwide citation)

A domestic range including a touch control and display panel and digital control logic for energizing power circuits controlling the various range heater elements in response to a program entered by the user by touching certain areas of the panel. The control logic also controls the displays located ...


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Moreland II William C, McCoy Robert A, Malarkey Terence D: Pan detector for induction heating cooking unit. Westinghouse Electric Corporation, Arenz E C, March 12, 1974: US3796850 (49 worldwide citation)

A pan detection and control arrangement is provided for an induction heating cooking unit by providing a reed switch and a pair of permanent magnets disposed relative to the reed switch to hold the reed switch in a closed position in the absence of a sufficient size cooking vessel in position overly ...


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Eisler Paul: Surface heating device. August 7, 1973: US3751629 (49 worldwide citation)

A dispensible container constructed for a single use incorporates a thin low voltage heating film with terminals accessible from outside and opening means permitting access to its contents is used as a package for a substance adapted to be heated and plastic in the sense of being sufficiently mobile ...


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Bridgman Albert Edward: Simulated flame device. Bridgman Albert Edward, March 19, 2003: GB2379731-A (48 worldwide citation)

A flame simulating device comprising a flame-shaped piece of coloured material 9 mounted on a housing 1, a fan 15 to blow air past the material, and a light source 13, wherein the light shines onto the material and at a critical angle of incidence a substantial part of it is reflected. This light ef ...


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Fran cedilla ois Senneville, Serge Laprade, Gilbert Archambault, Stephane Labadens: Free-standing warmer drawer. White Consolidated, Pearne & Gordon, December 26, 2000: US06166353 (48 worldwide citation)

A free-standing warming appliance includes an outer enclosure and an inner liner which cooperate together to form a heating chamber. A warmer drawer forming a receptacle for precooked food stuffs is selectively inserted into and withdrawn out of the heating chamber. A heating element is secured to t ...


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Adrian A Bruno, Richard J Casanzio, Thomas Diwisch, Hector Gonzalez, Bacigalupe Carlos, John R Norris, Sushil Eapen, Loren Veltrop: Low profile stackable conveyor oven. Middleby Marshall Corporation, Laff Whitesel Conte & Saret, January 11, 1994: US05277105 (48 worldwide citation)

A conveyor oven module has a very low profile so that more oven modules may be stacked to give a greater baking capacity in the same "foot print" without the top conveyor being higher than the five and a half feet from the floor, which is the generally accepted maximum height for people to reach. Al ...


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