1
Chandrakant M Yagnik, Blake E Heimbecker: Switch controlled, zone-type heating cable and method. Thermon Manufacturing Company, Pravel Hewitt Kimball & Krieger, April 30, 1996: US05512732 (271 worldwide citation)

A parallel, zone-type heating cable wherein thermally-controlled ferrite reed switches in each zone regulate current flow to heating elements aligned in parallel with each other. Two parallel conductors deliver current to the switches and the heating elements. A dielectric insulation material separa ...


2
Frederick G Carl Jr, Eric P de Rouffignac: Current to power crossover heater control. Shell Oil Company, Del S Christensen, February 23, 1993: US05189283 (247 worldwide citation)

A control system which minimizes the start up time of heaters and sustains long term automatic control is provided. This control system automatically converts control time constant current to constant power when the power reaches the power set and provides that after power interruptions, control wil ...


3
Tony Quisenberry: Temperature controlled cooling system. Johnson & Gibbs, March 24, 1992: US05097829 (231 worldwide citation)

An improved temperature control fluid circulating system for automatically cooling a temperature control fluid in a thermal blanket with a thermoelectric cooling device having a cold side and a hot side when powered by electricity wherein the temperature control fluid is cooled by the cold side of t ...


4
Roger Garrett, Andre Liversain: Programmer. Browdy and Neimark, July 22, 1980: US04213562 (224 worldwide citation)

A programmer (controller) permits individual control of a plurality of devices associated with the same installation, such as an installation for heating residential rooms, offices, or the like. The programmer includes a clock, at least one counter which periodically receives pulses from the clock, ...


5
Sheng Hann Lee: Window cleaning fluid heating system having timer-controlled heater and differential input circuit. Gensonic, Donald J Pagel Jr, October 11, 1994: US05354965 (203 worldwide citation)

A system for electrically heating a volume of windshield cleaning fluid in a motor vehicle includes a metallic vessel connected between a windshield fluid reservoir and a nozzle for spraying the windshield with the fluid. The vessel has a metal heater wall heated by PTC thermistors thereon and provi ...


6
Dixon Ford, Steven Ford: Parenteral fluid warmer apparatus and disposable cassette utilizing thin, flexible heat-exchange membrane. In Touch Products Co, Workman Nydegger Jensen, September 14, 1993: US05245693 (179 worldwide citation)

An apparatus for heating parenteral fluids for intravenous delivery to a patient. The apparatus includes a disposable cassette which in one presently preferred embodiment is made up of a unitary member which is divided to form a serpentine flow path by a plurality of path separators. Thin, flexible ...


7
John L Moe, James R Datta: Method and apparatus for calibrating and controlling multiple heaters. Watlow Winona, Hugh D Jaeger, January 18, 1994: US05280422 (178 worldwide citation)

Multiple heaters are calibrated and controlled by a microcomputer, and a multiplexer of this system. The heaters are sequentially sampled and resistance calculated from voltage and current measurements. The operator enters a temperature for the calculated resistance to establish a calibrated resista ...


8
Chester L Sandberg: Method of monitoring a heater for faults. Raychem Corporation, Timothy H P Richardson, Herbert G Burkard, October 6, 1987: US04698583 (174 worldwide citation)

Method for monitoring the electrical integrity of a heater and a novel heater for use in such a method. The heater includes an elongate heating member; an insulating jacket which encloses the heating member; a first electrically conductive member which surrounds the insulating jacket; a separating a ...


9
Stephen M Jacobs, Cristian Filimon: Method and apparatus for providing multiple autoregulated temperatures. Electric Power Research Institute, Burns Doane Swecker & Mathis L, June 15, 1999: US05911898 (169 worldwide citation)

The present invention generally relates to use of constant current power supply to control temperatures of a device to plural Curie temperatures, without sacrificing the precision and uniformity of temperature achieved in the known devices. In accordance with exemplary embodiments, multiple layers o ...


10
Dixon Ford, Steven Ford: In-line fluid heating apparatus with gradation of heat energy from inlet to outlet. In Touch Products Co, Workman Nydegger Seeley, January 10, 1995: US05381510 (168 worldwide citation)

A disposable, in-line heating cassette and apparatus for raising the temperature of fluids. The cassette comprises a spacer defining a sinuous or serpentine flow pathway interposed between flexible foils and mounted on a frame. The frame comprises inlet and outlet tubes and related input and output ...



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