Patents in subclass Electric Heating/Automatically Operated
Parent class: Electric Heating
| Number | Patent title | Issue Date |
|---|---|---|
| 07307245 | Medical item thermal treatment systems and method of monitoring medical items for compliance with prescribed requirements Various present invention devices enable adherence to requirements for medical items. A medical item of the present invention includes a monitoring or data recording device to monitor and/or record medical solution conditions. The device... |
12/11/2007 |
| 07186954 | Apparatus for detecting abnormal temperature rise associated with a cooking arrangement Apparatus is provided for detecting and controlling an abnormal rise in temperature associated with a combination of a cooking utensil (10) and a cooking surface (4) overlying an electric heater (6). A temperature-responsive device (24)... |
03/06/2007 |
| 07180036 | Semiconductor processing temperature control A temperature control system having a re-circulation loop that uses valves to selectively circulate a temperature control fluid through a cooling system, through a heating system, or through a through passage so as to controlling the... |
02/20/2007 |
| 06869538 | Method and apparatus for controlling a medical fluid heater A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a method of controlling a medical fluid heater is provided. The method includes the steps of determining a first heater control output... |
03/22/2005 |
| 06822202 | Semiconductor processing temperature control A temperature control system having a re-circulation loop that uses valves to selectively circulate a temperature control fluid through a cooling system, through a heating system, or through a through passage so as to controlling the... |
11/23/2004 |
| 06794882 | Rupture detector for windshield assembly A rupture detector for a windshield assembly having one or multiple transparent members. The rupture detector includes a conductive member attached to a portion of the transparent member. An electrical power source in communication with... |
09/21/2004 |
| 06777651 | Cook time control system for convection cooking appliance A cooking appliance employing rapid cook technology includes a controller which calculates rapid cook times from conventional cooking times input by a user. That is, for relatively long convection cooking cycles, such as a convection... |
08/17/2004 |
| 06720537 | Device for detecting, monitoring and controlling the operating status of an electric iron Device for detecting, monitoring and controlling the operating status of an electric iron which is provided with at least one electric heating circuit having a heating element and a first power switch of the iron connected in series to... |
04/13/2004 |
| 06649882 | Electric ion with safety system controlling electric heater depending on total supply time An iron comprises a sole plate heated by an electrical resistance and a heat-regulating system, wherein a control member indicates the temperature set value, a sensor displays the sole plate temperature, and a management system controls... |
11/18/2003 |
| 06501050 | Fuel heating control method and system A fuel heating control method and apparatus includes an operation of a heater heating a fuel for an engine started by being driven by a starting motor. The heater is not operated until after an operation of the starting motor is... |
12/31/2002 |
| 06452501 | Automatic shut-off and indication device for an electric heating appliance and electric pressing iron comprising such a device An automatic shut-off and indication device for an electric heating appliance is provided which includes: a sensor (2) for sensing usage of the appliance and for providing a usage-signal (US) indicating a non-usage of the appliance; a... |
09/17/2002 |
| 06384379 | Protective device for an iron and iron incorporating same A protective device for an iron having an iron surface and a thermostatically controlled heating device for heating the iron surface. The protective device comprises: a first device for detecting a non-operative state of the iron by being... |
05/07/2002 |
| 06307182 | Electric appliance having a proximity sensor An electric iron having a microprocessor-controlled relay which automatically connects an iron to and disconnects an iron from a source of electrical power based upon whether a user is grasping the handle of the iron and the position of... |
10/23/2001 |
| 06225610 | Use of PTC devices to protect insulated wires in electrical harnesses Use of PTC circuit protection devices in motor vehicle wiring systems. The devices can replace some or all of the fuses conventionally used. Preferred devices contain PTC conductive polymers. Because the PTC devices can be reset without... |
05/01/2001 |
| 6107611 | Method and apparatus for detecting ground faults in a shielded heater wire by sensing electrical arcing A reflector assembly in a satellite system includes a reflector having a reflecting surface. At least one sensor is configured for sensing a temperature of the reflecting surface or moisture associated with the reflecting surface. Each... |
08/22/2000 |
| 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 of heating elements is responsive to a... |
06/27/2000 |
| 6034359 | Electrical resistance cooking apparatus with electronic control This is an apparatus for producing prepared food by electrical conduction automatically as disclosed. A control circuit senses the rate of change of current conducted through food as a function of its cooked condition, stops the current... |
03/07/2000 |
| 5951897 | Temperature measuring device for a regulating circuit of an electrical radiant heating appliance Proposed is a temperature measuring device for a regulating circuit (10) in particular of an electrical radiant heating appliance with a heating conductor (2) arranged beneath a glass ceramic cooking surface (1), in which the heating... |
09/14/1999 |
| 5940579 | Capacitive leakage current cancellation for heating panel A heating panel has a resistive heating layer formed on a substrate. Insulating layers can be formed on the substrate. The heating layer has electrodes on opposite edges connected to different phases of a multiphase power source.... |
08/17/1999 |
| 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 response to input from various temperature... |
07/06/1999 |
| 5883358 | Clothes pressing iron with sole plate stiffening member and automatic heating current reduction responsive to release of the grip An electric steam iron for pressing fabrics, which iron includes an ironing sole plate, an electrically operated heating element disposed for heating the sole plate by converting an electric current to heat, and a switch unit for... |
03/16/1999 |
| 5856655 | Power control device for a pressing iron using a position sensor that includes an optical coupler and a shielding plate A power control device for a pressing iron includes a position sensor that has a casing, an optical coupler and a shielding plate. The optical coupler is mounted in a lower part of the casing, and has a photoemitter and a photoreceiver... |
01/05/1999 |
| 5852279 | Clothes iron with automatic shut off system controlled by multiple switches A clothes iron comprises an automatic shut off system that is controlled by multiple switches. A first switch located on the iron's handle is closed when the iron is held by a user. A second switch located on the iron's heel is closed... |
12/22/1998 |
| 5844204 | Device for detection of electric current by micro-leakage A detection device associated with an electrical apparatus for detecting by contact the presence of a user, composed of an electronic circuit for detecting a presence of a user by detecting a leakage current traversing, at least... |
12/01/1998 |
| 5844204 | Device for detection of electric current by micro-leakage A detection device associated with an electrical apparatus for detecting by contact the presence of a user, composed of an electronic circuit for detecting a presence of a user by detecting a leakage current traversing, at least... |
12/01/1998 |
| 5844214 | Power supply cut-off apparatus in a microwave oven A microwave oven includes an electric power supply shut-off mechanism for cutting off the supply of electric power when the housing is disassembled for repair while an electric power cord remains plugged into an electric outlet. A sensor... |
12/01/1998 |
| 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 temperature sensor senses the temperature of the... |
10/27/1998 |
| 5821503 | Conveyor speed control ciruit for a conveyor oven A method and apparatus for controlling the speed at which an AC electric motor drives a conveyor to move food products through a conveyor oven are disclosed herein. The oven includes a housing, electric heating elements mounted within the... |
10/13/1998 |
| 5818011 | Electrically controlled iron for pressing clothing and textiles with automatic shutoff function An output voltage of a commercial power source 1 is rectified through a diode 2, and partially dropped at a voltage drop element 19. Electric power supply to a heater 8 is controlled by a heater controller 7, which is activated in... |
10/06/1998 |
| 5783801 | Seal for sealing and automatically cleaning a sheathed element of a heater plug for diesel engines A sheathed element for a heater plug for diesel engines includes a hollow metal sheath that is open at one end, has a closed opposite end, and defines a cavity. A heating element is positioned in the cavity and the cavity is filled with... |
07/21/1998 |
| 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 electrical heating elements in a plurality... |
07/21/1998 |
| 5721418 | Flat-iron having nature of fabric detector and a movable soleplate hinged by springs and fixed by an electromagnet A flat-iron (5) comprises a fixed soleplate (10) against which a movable soleplate (14) is engageable in order to guarantee a safe use both for the user and for the fabric to be ironed. The soleplate (14) can be brought into contact with... |
02/24/1998 |
| 5712451 | Device for sensing food weight in a microwave oven A device for sensing food weight in a microwave oven includes a bracket formed into one body and mounted with a motor assembly having a motor axis, a movable electrode plate fixed to an extending piece separated from the bottom of the... |
01/27/1998 |
| 5684759 | Electronic timer for a coffee maker An electronic timer activates a switch circuit so as to connect electrically a heating device and a power supplying unit of a coffee maker for a predetermined brewing period in order to heat water that is supplied to a filter basket and... |
11/04/1997 |
| 5653904 | Defogging system for the front and rear windshields of a vehicle A system for automatically defogging both the windshield and rear window of an automobile. The system includes moisture and dew detection sensors positioned on the interior surfaces of the windshield and the rear window of the automobile.... |
08/05/1997 |
| 5637931 | Safety apparatus for an electrical iron A safety circuit for an electrical iron is provided comprising a double through position sensitive switch having a common contact that is connectable to connect a horizontal position sensing contact and a vertical position sensing... |
06/10/1997 |
| 5595672 | Automatic power interrupting apparatus for an electric appliance An automatic switching apparatus for a hand held electrically operated appliance, such as a pressing iron, is provided within a circuit board located within the housing of the iron. The automatic switching apparatus includes a first... |
01/21/1997 |
| 5595672 | Automatic power interrupting apparatus for an electric appliance An automatic switching apparatus for a hand held electrically operated appliance, such as a pressing iron, is provided within a circuit board located within the housing of the iron. The automatic switching apparatus includes a first... |
01/21/1997 |