Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7538301 | Tubular heating element with conical heating coil A tubular heating element for heating fluid media, in particular for household appliances, comprising a jacket pipe inside which there is disposed at least one heating coil made of an electrical resistance heating wire and embedded in an electrical insulation materi... | 05/26/2009 |
| 7402776 | Device and system for heating a mobile electronic device Described is a device and system for heating an electronic mobile device. The system includes a mobile electronic device including a power supply arrangement and a removable heating arrangement detachably coupled to the mobile electronic device. When the heating arr... | 07/22/2008 |
| 7372007 | Medium voltage heater element An electrical heater bundle has heater elements, each including a metal tube, an electrical resistance coil within the tube, a conductor pin connected to the coil and protruding from an end of the tube, and an electrical insulation powder surrounding the coil within... | 05/13/2008 |
| 7355147 | Ice removal for a pond A floating ice removal device with a disk shaped upper cover, a disk shaped lower cover and a heat emitting cup. An electric circuit board is mounted on an inner bottom of the lower cover, and a helical heat emitting wire is mounted on the inner top surface of the u... | 04/08/2008 |
| 7353810 | Heating element for fuel tank A heating element for a fuel tank takes the form of an immersion heater commonly used in process applications to heat the contents of a fuel tank. The heater would be encased within a well for ease of servicing and replacement as well as safety. The tank heater woul... | 04/08/2008 |
| 7341050 | Charge air cooler having refrigerant coils and method for cooling charge air An apparatus and a method for cooling charge air, comprising the steps of cooling at least one cooling agent conduit with a cooling agent (Step 401), flowing thermally charged air through a plurality of charge air conduits positioned in proximity to the at le... | 03/11/2008 |
| 7339136 | Bread impaling cooking utensil The present invention features a cooking utensil for creating an elongated cavity in a bread item, wherein a meat item may be inserted. The cooking utensil comprises a bread-impaling spike supported by and extending from a base member, wherein the bread-impaling spi... | 03/04/2008 |
| 7338431 | Method and apparatus to stimulate the immune system of a biological entity A system and method for stimulating the immune systems of biological entities in an environment are disclosed. Pulsed electrical currents are generated using an electric current generator. The pulsed electrical currents are fed through an arrangement of electrically... | 03/04/2008 |
| 7337769 | Charge air cooler having refrigerant coils and method for cooling charge air An apparatus and a method for cooling charge air, comprising the steps of introducing a cooling agent into at least one cooling agent conduit whereby the at least one cooling agent conduit is cooled (Step 401), flowing thermally charged air through a pluralit... | 03/04/2008 |
| 7335857 | Glow plug including a rod-shaped heating element attached in a tubular carrier element by having been magnetically deformed A rod-shaped heating element with a tubular carrier element attached to a cylindrical carrier ring and to the rod-shaped heating element using a magnetic forming process, the carrier ring and the rod-shaped heating element being within the tubular carrier element wi... | 02/26/2008 |
| 7308804 | Defrosting heater, and refrigerator having the defrosting heater A defrosting heater in a refrigerator with a flammable refrigerant sealed therein, including a first glass tube (53) having a heater wire (52) inside thereof, a plug (58) covering both end opening parts of the first glass tube (53) and a ... | 12/18/2007 |
| 7293914 | Temperature detecting heater with indicating structure for aquarium A temperature detecting heater with an indicating structure for an aquarium, the temperature detecting heater mainly has an indicating structure including a control circuit and a two-color LED indicating lamp in its circuitry. After the temperature detecting heater ... | 11/13/2007 |
| 7293689 | Two tier brazing for joining copper tubes to manifolds A brazing process for joining copper and copper alloy tubes to a fitting which includes first forming a layer of a high melting temperature noble metal on one end of a copper or copper alloy tube. The plated end is then brazed to a metal ferrule to form a copper all... | 11/13/2007 |
| 7279660 | Apparatus for brewing beverages An electrically heated water kettle comprises a vessel for holding a liquid for extraction of tea, coffee or other food material. The vessel includes a partially open immersible container sized to allow the passage of water between the walls of the vessel. The conta... | 10/09/2007 |
| 7241131 | Thick film heater apparatus A thick-film electric heater having thick-film layers applied directly on a thermally conductive non-flat substrate. Preferably, the substrate is cylindrically shaped. A dielectric layer is silk-screened on the substrate surface. A resistive layer is silk-screened o... | 07/10/2007 |
| 7230214 | Metal sheathed heater using splice connection assembly with heat shrinkable tubing, and method of use A metal sheathed heater utilizes splice connections that connects ends of a heater cable with ends of a lead wire. Each splice connection has a connector that connects core wires of the lead wires and heater cable together. Heat shrinkable tubing surrounds the conne... | 06/12/2007 |
| 7227100 | Warmer for warming wiper and fluid container simultaneously or alternatively A warmer includes: a main casing adapted for storing a wiper box therein; a drawer casing slidably engaged in the main casing and operatively withdrawn outwardly for storing a fluid container including nursing bottle or beverage cup in the drawer casing; and a heati... | 06/05/2007 |
| 7223947 | Domestic appliance and heating structure for a domestic appliance An electric heating structure of a domestic appliance includes at least one first electric heating track (23) having a positive temperature coefficient and at least one additional electric heating track (27, 28). A control structure (22, 25, 29)... | 05/29/2007 |
| 7218201 | High pressure resistance body element A high-voltage resistor element which is superior to heat resistance, dielectric breakdown strength, vibration resistance and durability performance, and is advantageous to maintenance, inspection, adjustment, replacement and repair, is made up of: a cylindrical out... | 05/15/2007 |
| 7173225 | Induction heating pan The present invention relates to an induction heating pan comprising a pan body having an inner pan and an outer pan, a lid and a hinge member to connect the lid to the pan body, wherein the hinge member comprises a hollow cylindrical part which contains various con... | 02/06/2007 |
| 7109704 | Flexible shaft with a helically wound data cable supporting a smooth outer sleeve for eddy current probe A flexible shaft of nonrigid components for use in pushing an eddy current probe through small diameter pipe bends includes a thin-walled flexible outer sleeve enclosing a data cable helically coiled around a central inner core, typically of braided wire. The inner ... | 09/19/2006 |
| 7104233 | Engine oil heater An engine oil heater suited to use with an engine having an oil fill port in fluid communication with an oil reservoir that is adapted to contain a quantity of oil. The engine heater generally includes a coupling member operable to engage the oil fill port and a hea... | 09/12/2006 |
| 7104706 | Heating device The present invention relates to a heating device having at least a first heating element 102 for heating at least one protective sleeve 105, 602 arranged around at least a first uncoated optical fiber section 501, 603. Said sleeve 105, 602 | 09/12/2006 |
| 7085482 | Aquarium water heater An aquarium water heater includes a hollow heat-conducting internal tube with an electric resistance heater element and electrical connections disposed adjacent an outer surface of the hollow heat-conducting internal tube, a temperature thermal cut-out switch electr... | 08/01/2006 |
| 7084375 | Cookpot The present invention relates to a cooking appliance used for boiling or cooking food, or more particularly, to a cooking pot, which can rapidly heat water or food, and thereafter can suppress overflowing of water or food therein, while simultaneously maintaining it... | 08/01/2006 |
| 7081602 | Fail-safe, resistive-film, immersion heater A heater comprising a conduit made of corundum (e.g. synthetic sapphire) and having a wall forming a closed cross-section with an interior surface, and an exterior surface. At least one of the interior and exterior surfaces may have a roughened portion comprising in... | 07/25/2006 |
| 7078659 | Corrosion resistance structure of ceramic heater and gas sensor equipped with same A ceramic heater is provided which may be employed in a gas sensor. The ceramic heater includes a heating element disposed inside a ceramic body, a connector assembly, and a cover coating. The connector assembly consists of an external terminal, a connector terminal... | 07/18/2006 |
| 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 |
| 7064303 | Tubular heater and method of manufacture A tubular heater that is manually bendable to fit into a channel comprises a heating element positioned in an insulative material such as magnesium oxide and encased in a continuous inner nickel tubular sheathing. An outer sheathing, in a preferred embodiment, compr... | 06/20/2006 |
| 7059769 | Apparatus for enabling multiple modes of operation among a plurality of devices Apparatuses for enabling multiple modes of operation are disclosed that include power and data interfaces for inter-connecting multiple devices. The apparatuses, in various configurations, connect primarily powered devices, batteries, and a plurality of external per... | 06/13/2006 |
| 7055763 | Mist generating device A mist generating apparatus having a casing that is divided into a storage chamber, a pump chamber, a waterwheel chamber and a mist chamber. The storage chamber is provided with a water storage tank having a heater, while the pump chamber is provided with a pump. A ... | 06/06/2006 |
| 7053339 | Ceramic heater A ceramic heater includes a ceramic substrate having a heating face, a resista nce heating element embedded in the substrate and a terminal electrically connected with the resistance heating element. The resistance heating element includes first and second coiled wi... | 05/30/2006 |
| 7049554 | Adjustable heater for aquaria An adjustable heater for aquaria, comprising a substantially tubular container (2) within which are housed an electrical heating element (3), a switch (6) comprising s fixed contacts (7, 8) and moving contacts (9, 10) and capable o... | 05/23/2006 |
| 7046923 | Immersion heater device for aquariums and the like An immersion heater device for aquariums and the like. The heater device has a casing which contains a heating element. The casing, at least in the region of a radiant zone of the heating element, includes a layered structure having at least one layer of metal mater... | 05/16/2006 |
| 7040378 | Manifold with film heater The present invention provides improved heated manifolds, heaters and nozzles for injection molding, having a high strength metal skeleton infiltrated with a second phase metal having higher thermal conductivity. Also disclosed is method of forming a manifold, heate... | 05/09/2006 |
| 7034254 | Heated delivery system A heated delivery system for pizza and the like including a thermally insulated receptacle, an electrical resistance heating unit having a heat storing shell molded from thermosetting resin, and an electrical resistance heating member within the shell, the member ha... | 04/25/2006 |
| 7029260 | Molding apparatus having a film heater 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 ... | 04/18/2006 |
| 7024814 | Fish or fish bait life preservation apparatus and method A novel system, apparatus and method of operation for use in watercraft, terrestrially bound motor vehicles and fixed based land applications where water from a live well or bait tank is withdrawn, filtered, climactically controlled and conveyed through a water cond... | 04/11/2006 |
| 7012226 | Cartridge heater with a release coating A cartridge heater for mounting in the bore hole of a device to heat the device, having an improved release coating to facilitate the removal of the cartridge heater from the bore hole subsequent to operation at elevated temperatures, wherein the release coating is ... | 03/14/2006 |
| 6996336 | Economical heated grease storage tank A used cooking oil and grease storage tank is comprised of a plastic material such as, polyethylene. Advantageously, a metal heating element or member is secured to a top cover member of the tank and extends downward into the used cooking all and grease stored with ... | 02/07/2006 |
