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6198080 Glass touch cooktop dual element and bridge burner control  
A control system for a glass touch cooktop includes a control panel including a plurality of touch control areas with touch toggle controls that correspond to a plurality of surface heater...
6175103 Automated heat treatment furnace  
An automated heat treatment controller consistently controls heat treating a metallic target in a furnace according to a heat treatment recipe including a cycle temperature and a cycle exposure...
6157008 Power distribution system for an appliance  
An appliance includes a plurality of electric power consuming devices having associated activated power consumption levels which collectively can exceed an available power supply limit to the...
6148258 Electrical starting system for diesel engines  
An integrated electronic starting control system module for diesel engines which provides unique packaging with integration of a multiplicity of features previously unavailable or available only...
6137091 Electric cooker  
Due to a bimetallic contact point, a fine control is out of sight. Further, dispersion of bimetal characteristics and poor durability of a contact point cause problems, particularly in maintenance...
6127660 Heated microcell base station  
A housing for a microcell base station is provided that includes independent, selectively controlled heating elements for maintaining a desired range of operational temperatures within the...
6114671 System for and method of controlling the temperature of an object using temperature control elements spaced from the object  
A system for and a method of controlling the temperature of an object (22). Temperature sensors (30) are placed on the object (22) in abutting zones (24) substantially covering a surface of the...
6093916 Control device with first and second power control elements to control heater drive apparatus  
The present invention relates to driving of a heater of a fixing unit in an image process apparatus. In case of driving first and second heaters by using a constant voltage output control circuit,...
6080972 Remotely operated universal programmable oven controller  
An apparatus is disclosed for automatically programming and controlling an oven, such as a food oven. The oven and its controller can be remotely operated over great distances by using a personal...
6080971 Fluid heater with improved heating elements controller  
An electrically powered water heater includes a plurality of heating elements for substantially instantaneous heating of fluid passing through the heater. A controller for powering the plurality...
6078024 Air conditioning apparatus having electric heating member integrated with heating heat exchanger  
An air conditioning apparatus includes a heating heat exchanger for heating air blown toward a passenger compartment using hot water as a heating source. A plurality of electric heating members...
6051818 Electric toaster with asymmetric heating effect  
Electric toaster with a first heating element arranged at one side of a toasting compartment and a second heating element arranged at an opposed side of the toasting compartment. The first heating...
6031211 Zone heating system with feedback control  
A structure and method are disclosed which allow for a tighter control of the temperature across a wafer substrate. In accordance with the present invention, a wafer to be processed is heated to a...
6023052 Heater control  
A method and apparatus are provided for controlling parallel heater elements, the method including the steps of: providing a plurality of electrical heater elements; generating a plurality of...
6018152 Method and device for de-icing conductors of a bundle of conductors  
A method and device for removing ice from overhead conductors of a bundle of conductors or preventing an accumulation of ice on these conductors. The method includes forcing the entire current...
6011243 Holding cabinet and method and apparatus for controlling a holding cabinet  
A cabinet and control system for maintaining a food product within a predetermined temperature range for a holding period of time not exceeding a predetermined maximum time. The cabinet comprises...
6011242 Method and apparatus of cooking food in a lightwave oven  
A lightwave oven cooking method and apparatus uses pulsed power applied to a plurality of high-power lamps which provides radiant energy in the electromagnetic spectrum and having wavelengths...
6009369 Voltage monitoring glow plug controller  
An electronic control system and a device is disclosed proving improved control and diagnostics of glow plugs as are typically energized in diesel engines prior to and during cold start and also...
5990459 System for controlling a plurality of resistive heating elements  
An electric heating system comprising at least two electric heating resistors, the heating power of which being adjusted by a control device comprising a plurality of controllers each one of which...
5973299 System and method for heater control for evaporation of cryogenic fluids for cooling scientific instruments  
A heater controller for allocating heaters to cool a thermal chamber of a scientific instrument evaporates cryogenic liquid to produce a coolant gas. The gas is injected into a chamber to cool a...
5968393 Hot water controller  
This is a system for controlling the heating of water in the tank, water in tank adapted to be heated by a first heater and a second heater, the system comprises a timer adapted to keep time, and...
5948303 Temperature control for a bed  
A temperature control apparatus for a bed includes at least one heating element, mounted in a resting surface on a mattress of the bed for warming at least a first are(a of the resting area. A...
5945018 Control system for an oven having multiple heating sources for the preparation of food  
An oven having two sources of heat is controlled to perform high quality results when the user simply chooses the class of food on a front panel. A first source of heat is active during a first...
5922226 Method and apparatus for controlling energizing of heater in air-fuel ratio sensor  
An apparatus and method for controlling the energization of a plurality of sensors used for detecting the air-fuel ratio in an internal combustion engine. The engine has an exhaust passage, and...
5920366 Dynamic multi-contact display heater system  
A multi-contact LCD heater system which include several contacts disposed around the periphery of a resistive film deposited on a substrate in which each contact is dynamically controlled in...
5920191 Current flow monitor for heating cables  
An apparatus for monitoring the current flow through a variable load such as various lengths of heater cables. The apparatus can detect a wide range of currents so that the size of the load can vary.
5911898 Method and apparatus for providing multiple autoregulated temperatures  
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...
5908571 Radiant electric heater arrangement  
A radiant electric heater arrangement is provided for connection to a dual voltage supply which provides a first alternating current supply voltage and a second alternating current supply voltage...
5900179 Heating cable control and monitoring method and system  
A method and system for controlling heating cables wherein a plurality of two-conductor heating cables are disposed in contact with heatable vessels to heat the vessels. Power lines having at...
5900177 Furnace sidewall temperature control system  
A vertical rapid thermal processing (RTP) system (10) is provided, comprising a vertical process chamber (20) extending along a longitudinal axis (X), and a movable platform (32) disposed within...
5895596 Model based temperature controller for semiconductor thermal processors  
Controllers and associated methods for controlling a thermal reactor or other thermal semiconductor processors which include a heating element powered by a power source, and having profile...
5883362 Apparatus and method for regulating cooking time in a lightwave oven  
A lightwave cooking oven method and apparatus are disclosed wherein a thermistor determines an elevation temperature at a given location on the oven where oven secondary heating has a relation to...
5877477 Oven with high power radiant cooking elements and methods of developing, optimizing, storing, and retrieving recipes for the operation of the oven  
An oven with high power radiant cooking elements which are capable of operating at different intensities is disclosed for cooking food quickly with infrared radiation. The conduction of this...
5864121 Heating element  
A heating element with a radiant heating body for glass ceramic hobs, including four heating conductors which extend substantially concentrically and parallel to each other; and a ten-stage switch...
5828039 Method and apparatus for heating chemical used in microelectronic device fabrication  
A method and apparatus for heating a chemical used in microelectronic device fabrication processes. The apparatus includes a chemical supply and chemical bath for containing a chemical. A...
5808277 Programmable thermostat to reduce bacterial proliferation to prevent legionellosis  
A domestic electric water heater comprises a cylindrical tank having a vertical wall and a curved bottom, the latter defining with the vertical wall an annular stagnant water zone susceptible of...
5796076 Sauna heater control  
A sauna heater control having a plurality of electrical heater elements for heating a sauna chamber, an alternating current heater power circuit, a half-wave rectifier for selective inclusion in...
5789722 Modular multizone heater system and method  
The modular multizone heater system is for controllably heating areas of a structure, for example for bonded doubler reparation. The system comprises a number of heater cells to be placed in...
5783805 Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals  
Electrothermal conversion elements, apparatus and methods for use in comparing, calibrating and measuring electrical signals utilizing a thin film heater on a thin, low mass, low thermal...
5784531 Instantaneous fluid heating device and process  
Instantaneous fluid heating device and process including an instantaneous fluid heating device which features forced fluid recirculation past/through heating elements/vessel featuring immersible...
5729456 Glow plug controller  
The present invention relates to an improved glow plug controller. The glow plug controller includes an analog temperature sensor, circuitry for converting an analog temperature signal to digital...
5724628 Fixing device with endless belt and plural heaters  
A fixing device includes a rotatably supported endless belt and a nip forming member arranged outside the belt in circumferential contact therewith to form a nipping region. Heat generators are...
5716662 Method for waxing snowboards, skis and the like  
For efficient waxing of the running surface of a workpiece such as a snowboard, one or more skis, or a toboggan, the invention provides a single wax-heating element in the form of an elongate...
5702624 Compete hot plate temperature control system for hot treatment  
A heat treatment control system to cure a photoresist that is deposited upon a semiconductor substrate is described. The heat treatment system has a hot plate with a heating element and...
5700993 Heating apparatus controlled to utilize lower cost energy  
A heating control apparatus for use in a heating system having heaters for heating at least one location and temperature sensors for measuring the temperature of each location is disclosed. The...
5695668 Oven with selectively energized heating elements  
An oven for heating food includes a refractory slab for placing a food item to be heated thereon. The refractory slab is preheated to a preselected temperature by a first electric resistance...
5688423 Vending machine including multiple heat sources with programmable cook cycles  
In accordance with the present invention, a vending machine has one or more programmable cook cycles for use with one or more heat sources in cooking a food package to be dispensed to the...
5658479 Positive temperature coefficient thermistor heater and positive temperature coefficient thermistor heater device using the same  
The positive temperature coefficient thermistor heater is composed of a positive temperature coefficient thermistor element, and electrodes formed on the both principal faces of the thermistor...
5658480 Heating element control  
The temperature of each heating element among a plurality of heating elements is regulated by opening and closing a relay associated with each heating element in response to the monitored...
5626783 Temperature compensation device and method for maintaining warmth of a cooker utilizing an inverter circuit  
A device and a method for compensating for temperature fluctuations for maintaining the warmth of a cooker having an inverter circuit, which has a system controller which obtains a final...