Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8183504 | Surface mount multi-layer electrical circuit protection device with active element between PPTC layers A surface-mountable electrical circuit protection device includes layers defining a first PPTC resistive element, a second PPTC resistive element, and at least one heat-generating electrical component such as a planar zener diode chip positioned between, and in ther... | 05/22/2012 |
| 7355504 | Electrical devices An electrical device which comprises first and second laminar electrodes and a laminar PTC resistive element sandwiched between them, the device comprising (a) a main portion which comprises a main part of the first electrode, a ma... | 04/08/2008 |
| 7343671 | Process for manufacturing a composite polymeric circuit protection device A process for manufacturing a composite polymeric circuit protection device in which a polymeric assembly is provided and is then subdivided into individual devices. The assembly is made by providing first and second laminates, each of which includes a laminar polym... | 03/18/2008 |
| 7247816 | Heating apparatus, fixing apparatus, and image forming apparatus A heating apparatus includes a heating roller that is heated by heating units, a main power supply that supplies power from an external power supply to the main heating unit, and an auxiliary power supply that supplies power to the auxiliary heating unit. The auxili... | 07/24/2007 |
| 7240851 | Thermostat fan and boiler timer A programmable timer circuit that can be connected directly to the fan switch of any thermostat with a forced air heating and/or cooling system that includes a blower fan for circulating air throughout the home. A programmable timer circuit that can be connected dir... | 07/10/2007 |
| 7208704 | Heating device with thermostat switch A system for wiring a heating element in an electrical appliance to a conventional thermostat switch in a new manner and a new thermostat for supporting the new wiring system. The new wiring system avoids switching the full heating element current for both hot power... | 04/24/2007 |
| 7205672 | Flip chip mounted to thermal sensing element through the back side of the chip A method for providing cooled flip chip is provided. Solder paste is placed on a back side of a flip chip. A heat sink is placed against the solder paste. The solder paste is reflowed. In addition, an apparatus is provided. Generally, a zener diode flip chip with an... | 04/17/2007 |
| 7205878 | Over-current protection device and manufacturing method thereof An over-current protection device comprises at least one PTC component, at least one thermal dissipation layer, at least one adhesive layer and at least two isolation layers, wherein the PTC component is formed by interposing a PTC material between two electrode lay... | 04/17/2007 |
| 7180038 | Device for switching on and off several heating mechanisms of cooking equipment as well as cooking equipment with such a device A control is provided for switching on and off two heating devices of a hob forming a hotplate. In cyclic manner the continuous energy or power generation level can be adjusted by an energy control device. A temperature limiter monitors a maximum temperature via the... | 02/20/2007 |
| 7164102 | Self heating thermal protector A self heating thermal protector located in close proximity to a remotely located incandescent light fixture for controlling the flow of current to the lighting fixture by measuring the rate of heat flow from a dedicated heat source. Current is permitted to flow to ... | 01/16/2007 |
| 7157670 | Adhesive system for attaching PTC heater to a wax motor Improved adhesion, electrical connection, and thermal connection between an electrical heater and a wax motor element are obtained by using multiple zones of different adhesives optimized for different properties. The location of the zones and the area of the zones ... | 01/02/2007 |
| 7148453 | Control unit with thermal protection and an electrical heating device comprising the control unit An overheating protection system for a control unit includes an interrupter element, which, in its initial position defined with respect to a circuit board, electrically connects the opposite facing ends of at least one track on the circuit board, and an actuating e... | 12/12/2006 |
| 7071449 | Molding system with integrated film heaters and sensors Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 07/04/2006 |
| 7038896 | Solid state motor protector A solid state motor protector has a first PTC chip (positive temperature coefficient of resistivity) electrically connected in series relation with a second resistor having a generally fixed temperature coefficient of resistivity and mechanically coupled to the firs... | 05/02/2006 |
| 7002112 | Heating apparatus for increasing temperature in short period of time with minimum overshoot A heating apparatus includes a heating roller that is heated by heating units, a main power supply that supplies power from an external power supply to the main heating unitl, and an auxiliary power supply that supplies power to the auxiliary heating unit. The auxil... | 02/21/2006 |
| 6980411 | Telecom circuit protection apparatus A telecom circuit protection apparatus includes a housing having at least first and second temperature responsive circuit protection devices, such as a fuse and a thyristor disposed therein. A first metal lead is connected to respective first terminals of the first ... | 12/27/2005 |
| 6937454 | Integrated device providing overcurrent and overvoltage protection and common-mode filtering to data bus interface An electrical component includes a mounting substrate, a common-mode rejection filter mounted to the substrate, and at least one circuit protection element mounted to or formed by the substrate. The circuit protection element may provide a PPTC resistor element for ... | 08/30/2005 |
| 6932928 | Method of producing a PTC-resistor device The invention relates to a novel method of producing a resistor device comprising a PTC-polymer element 2 and a varistor element 4. Both elements are molded in a common molding process using one common mold. Preferred is co-injection molding. The inven... | 08/23/2005 |
| 6700102 | Dryer control circuit A control circuit for a clothes dryer operating with a 120 volt power supply compensates for changes in the ambient temperature to compensate for premature advancement of the dryer timer motor during an automatic drying cycle. The control circuit has a th... | 03/02/2004 |
| 6670587 | Self heating thermal protector The present invention is a self heating thermal protector located in close proximity to an incandescent light fixture for controlling the flow of current to the associated lighting fixture by measuring the rate of heat flow from a dedicated heat source. C... | 12/30/2003 |
| 6660976 | Device for controlling the service loads of an electric household appliance, in particular a refrigerator A control unit (3) for controlling an electric household appliance, e.g. a refrigerator, is connected in series with a positive temperature coefficient (PTC) resistive unit (4) which, when supplied with electric current, generates sufficient heat to activ... | 12/09/2003 |
| 6472646 | Thermally sensitive controls A thermally sensitive, overheat protection control for a thick film electric heater comprises a bimetallic actuator (68) arranged for making good thermal contact with the heater, and a moveable electrical contact (78) for engagement with a contact provide... | 10/29/2002 |
| 6462318 | Protective element A protective element contains a heat-generating member and a low melting metal member on a substrate. The low melting metal member is caused to blow out by the heat generated by the heat-generating member. The number of locations on the low melting metal ... | 10/08/2002 |
| 6229121 | Integrated thermal buckling micro switch with electric heater and sensor An integrated thermal buckling micro switch is made by using electromechanical technology to integrate sensors and actuators on a single chip. An epitaxial chip is used and etched to form a mesa structure on a thin silicon film, whereon at least a thermal... | 05/08/2001 |
| 6121588 | Thermal actuation device An actuation device comprising: at least two thermal actuators (5A,5B) electrically supplied, each thermal actuator (5A,5B) comprising relevant thrust means (4A,6A,4B,6B) being movable to perform a predetermined stroke; at least a working means (12) moved by m... | 09/19/2000 |
| 6114672 | PTC-element, protective device and electric circuit board A PTC-element to be used as a protective device against overcurrent or overvoltage, of which the volume resistivity does not substantially differ before and after a high temperature processing, such as reflowing of solder, and can be preserved even after ... | 09/05/2000 |
| 6072152 | Heater control device A control device for a heater in a vehicle. The control device has a thermostatic switch to turn the heater on when the air temperature drops to a first value that is around the temperature at which the engine will just easily start. A secondary heater is... | 06/06/2000 |
| 5837971 | Electric blanket having reduced electromagnetic field An electric blanket using an AC to DC converter circuit either alone or in combination with a shield mesh that surrounds the heating wire to substantially reduce the electromagnetic field produced by the heating wire. The electric blanket has a heating el... | 11/17/1998 |
| 5804798 | Thermal protector with bimetal plate A thermal protector having a fixed plate with a fixed contact point at one end, a movable plate having a movable contact point at a position corresponding to the fixed contact point. A bimetal plate which bends when a temperature exceeds a specified level... | 09/08/1998 |
| 5655709 | Electrical control system for relay operation responsive to thermostat input having improved efficiency A temperature control system is shown in which a thermostat circuit is combined with a power supply to produce a higher anticipator current for a W1 signal while reducing power consumption and heat generation of the circuit. A first relay power signal is ... | 08/12/1997 |
| 5607610 | Compact protector A compact protector device having a housing 10 with a fixed electrode 18 and terminal member 12 and a movable electrode 26 and terminal member 14 contained therein. The movable electrode 26 includes a thermostatic bimetal member 26a with a movable contact... | 03/04/1997 |
| 5510598 | Electro-thermally actuated switch A thermally-actuated switch includes a pair of switch contacts openable or closeable in response to a change in the length of a shape memory metal (SMM) rod. The SMM rod is caused to change its length by having its temperature increased by heat produced w... | 04/23/1996 |
| 5428206 | Positive temperature coefficient thermistor heat generator A heat generator is formed to quickly raise the temperature of an object to be heated to a target level and then maintain the temperature of the object at the target level. The heat generator includes a high output heating element for heating the object t... | 06/27/1995 |
| 5148005 | Composite circuit protection devices Circuit protection devices which comprise a PTC conductive polymer element and a second electrical component which is thermally coupled to the PTC element and which, when a fault causes the current in the circuit to become excessive, generates heat which ... | 09/15/1992 |
| 5039843 | Safety cutout device A safety cutout device for electric loads, particularly for use in pressing irons and portable heating apparatus, has a temperature switch, such as a bimetallic switch, which is adapted to be connected in series with the electric load. An electrical compo... | 08/13/1991 |
| 4998007 | Electrically heated reservoir having a preassembled plural tube continuous flow heating unit A heating unit (1) for a medium reservoir (2) provided e.g. as a fryer has a sheet metal, U-shaped support (3) with a plurality of continuous flow heater tubes (4) fixed rigidly between its legs provided as flange plates (5, 6) and is in this way construc... | 03/05/1991 |
| 4978838 | Device for electronic control of the supply of a heating resistance Electronic control device of the electrical supply of a heating resistance (1) adapted to heat a cooking or grilling enclosure (2) such as, for example, the heating enclosure of a toaster. A detector (9) detects the temperature prevailing in the enclosure... | 12/18/1990 |
| 4912300 | Control device for heating appliance having two operating regimes The control device (25) comprises a thermostat (15) interconnected between a supply source (S) and a heating resistor (4) which comprises two heating elements (41, 42), one of which (42) is supplied only during one of the heating regimes. A temperature li... | 03/27/1990 |
| 4884780 | Valve actuating arrangement An active member can deform in accordance with its temperature. The active member is connected to a mechanically-operated valve member so that the operated member is driven in accordance with deformation of the active member. The temperature of the active... | 12/05/1989 |
| 4842192 | Microprocessor controlled thermostat for dryer A thermostat controlled circuit for a bias heater located adjacent the thermostat connected to a source of alternating electrical power. The control circuit has a manually operated switch for providing a temperature level signal. A triac having a gate ter... | 06/27/1989 |
