Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7190894 | Energy efficient electric water heater system that provides immediate hot water at a point of use and a method therefor A water heater system that will provided immediate hot water to a point of use has a water storage container having an inlet coupled to a water pipe and an outlet coupled to a point of use fixture. A low current heating element is located within the water storage co... | 03/13/2007 |
| 7158718 | Electric heating device An electric heating device especially for fluids, such as liquid fuel, includes a heat element with an electrical resistance. The heat element can be connected to an electrical power source and also includes a carrier element to which en electrically conductive heat... | 01/02/2007 |
| 7153285 | Medical fluid heater using radiant energy An in-line fluid heater for heating fluid, such as dialysis fluid for use in dialysis therapy is provided. The fluid heater is a dual heater having a primary infrared heater and a secondary plate heater. A controller is operatively connected to the infrared heater a... | 12/26/2006 |
| 7151892 | Rapid electric heating water dispenser A rapid electric heating water dispenser includes a body, a base, an electric heating element located in the body, a hot water drain valve and a hot water outlet. A water pipe and an electric heating tube cling to each other through a casting body. A liquefaction in... | 12/19/2006 |
| 7133604 | Infrared air heater with multiple light sources and reflective enclosure An air heater is provided for use in buildings or other structures. The air heater uses infrared lamps to generate a temperature rise in a forced air chamber that contains several infrared lamps, in which two ends of the chamber act as an inlet and an outlet, and in... | 11/07/2006 |
| 7050711 | Moderating device for an electric stove heating element A system and a method of operating that system are used to quickly adjust the temperature of an electric stove heating element. A heat transfer or moderating fluid is pumped through a hollow portion of an electric stove heating element. The moderating fluid is heate... | 05/23/2006 |
| 7020388 | Water heating device with light bulb heat source whose light is transferred to another light receiving device Disclosed is a heat transfer system, the heat emanating from a regular light bulb wherein the heat generated by the filament within the glass of the light bulb is generally wasted by exposure to the environment. The regular light bulb is surrounded by a metallic hea... | 03/28/2006 |
| 7003220 | Quartz heater A quartz heater is provided for heating fluids or objects. The heater comprises a member, for example, a quartz glass tubular or non-tubular member, with a low-emissivity conductive coating that produces heat when connected to external power. The fluid can be heated... | 02/21/2006 |
| 6944394 | Rapid response electric heat exchanger A fluid heat exchanger for use in a fluid heating system is disclosed that includes a rapidly heatable inside tube surrounded by a hollow outside tube for heating a fluid flowing between the inside tube and the outside tube for circulation through the fluid heating ... | 09/13/2005 |
| 6868230 | Vacuum insulated quartz tube heater assembly A vacuum insulated heater assembly is provided for heating fluids and solids. The assembly includes an inner member, for example, a quartz glass tube with a low-emissivity conductive coating that produces heat when connected to external power. The inner member is at... | 03/15/2005 |
| 6696671 | Device for heating a meltable material With reference to a device for heating a meltable material, such as plastic, upstream from equipment for further processing, such as casting or extrusion equipment, which device includes a conveyor channel for the material and a heating means located outs... | 02/24/2004 |
| 6621984 | In-line fluid heating system An in-line fluid heating system including a lamp module having a plurality of heating lamps. A fluid vessel is configured to slidably accept the lamp module therein. The fluid vessel includes a fluid inlet, a fluid outlet, a central tube, and an outer env... | 09/16/2003 |
| 6607608 | Translatable fiber stripper A system for stripping an optical fiber includes a source of air and means for generating very short bursts of air. A heater heats the bursts of air to a temperature sufficient to remove the outer coating from an optical fiber, while maintaining the air i... | 08/19/2003 |
| 6327429 | Coffee maker heater A coffee maker heater shortens brew times by employing steel components which are brazed together. A copper brazing material efficiently conducts heat from the coffee maker heater element to the base plate and water tube. Brazing increases the thermally c... | 12/04/2001 |
| 6236810 | Fluid temperature control device A fluid temperature control device, which has a high cooling capacity, wide controllable temperature range and an excellent temperature control accuracy. A transparent cylinder (3) is inserted in a cylindrical-shaped vessel (1), and a columnar-shaped heat... | 05/22/2001 |
| 6157778 | Multi-temperature control system and fluid temperature control device applicable to the same system A fluid temperature control device is improved to be simpler in structure, less in fluid temperature non-uniformity, and able to heat a fluid having a small light absorbability. The fluid temperature control device has a cylindrical inner vessel (20), a c... | 12/05/2000 |
| 5790752 | Efficient in-line fluid heater A highly efficient in-line fluid heater is suitable for heating ultra-pure fluids. Preferably, the heater can be used for heating various fluids, including water, as part of a "wet bench" system used in a wafer processing fabrication facility for the semi... | 08/04/1998 |
| 5740315 | Fluid heating apparatus A fluid heating apparatus in which a heating unit (2) and a fluid supply adjusting unit (3) are accommodated in a casing in a manner separated from each other and connected through a flow-in tube (8) and a flow-out tube (9) and the fluid supply adjusting ... | 04/14/1998 |
| 5590240 | Ultra pure water heater with coaxial helical flow paths A high efficiency, non-contaminating fluid heater, including inner and outer helical passageways formed from an electrically non-conductive material and through which ultra pure fluid, such as ultra pure water, passes as it is heated. A coiled resistance ... | 12/31/1996 |
| 5559924 | Radiant fluid heater encased by inner transparent wall and radiation absorbing/reflecting outer wall for fluid flow there between A fluid heater, capable of having a high energy density structure with an increased radiation receiving area, facilitating maintenance services and preventing intrusion of contamination substances, comprises a transparent internal pipe (11) which is open-... | 09/24/1996 |
| 5381538 | DMA controller including a FIFO register and a residual register for data buffering and having different operating modes A direct memory access (DMA) controller for exchanging data information between a system memory and an input/output (I/O) device in an initial data exchange mode and an alternate data exchange mode includes a register for exchanging the data information d... | 01/10/1995 |
| 5337619 | Radiant energy sample heating and temperature control A radiant energy heating source for heating the sample during purge of analytes to the sorbent trap is disclosed. The radiant energy heat source may be provided with a filter to pass only certain spectra of visible light to the sample. A thermocouple is p... | 08/16/1994 |
| 5271086 | Quartz glass tube liquid heating apparatus with concentric flow paths A liquid heating apparatus 1 has a flow path 2 surrounded by a quartz glass tube 5 inside a tubular ceramic heater 4 which radiates infrared rays and has a PTC characteristic, and a flow path 3 which is formed between two quartz glass tubes 6, 7 which are... | 12/14/1993 |
| 5238653 | Sample concentrator/solvent exchange system A liquid concentrator having a guide rod (1) around which solution flows, in a chamber (2). A heat source (3) surrounds the guide rod. The solution is preferably mixed with an exchange solvent, the exchange solvent having a higher boiling point than the s... | 08/24/1993 |
| 5214740 | Portable electric heating apparatus for supplying heated dry non-flammable gas to an applicator gun An apparatus for electrically heating non-flammable gases, supplied to an applicator gun comprises an elongated housing having an elongated electric heater located centrally and longitudinally therein and a metallic helically coiled tube spaced from and s... | 05/25/1993 |
| 5054107 | Radiating lamp fluid heating system A fluid heating system, which includes a set of lamps emitting infrared or longer wavelength radiation. The fluid to be heated flows through chemically inert tubing while absorbing radiation from the lamps. The lamps are separated from the tubing, so that... | 10/01/1991 |
| 5014339 | Device for heating up a flow of gas A device for heating a flow of substantially pure gas flowing in a flow direction to temperatures above about 600° C. is disclosed. The device includes a heat exchanger having a heat exchanger surface extending transversely to the flow direction whereby ... | 05/07/1991 |
| 4956534 | Inverted frustum shaped microwave heat exchanger and applications thereof A microwave sourced heat exchanger in an inverted, frusta-pyramidal or frusto-conal shaped configuration. A heat conductive medium is carried within microwave transparent pipes toward a microwave source along a split path of increasing perimeter. The geom... | 09/11/1990 |
| 4914276 | Efficient high temperature radiant furnace A tubular radiant furnace having multiple radiation shields is capable of producing very high working temperatures in an extremely clean environment. A cool-walled quartz muffle tube surrounded by high temperature electrical heaters in a high temperature ... | 04/03/1990 |
| 4798704 | Preheating apparatus employed in analysis of hydrogen and carbon A preheating apparatus of an analysis apparatus for determining the in quantity hydrogen and carbon contained in a sample such as steel is employed to remove moisture adhered to a sample of the steel by spot-heating focused on the sample in a transparent ... | 01/17/1989 |
| 4797535 | Tungsten-halogen heater A method and apparatus for heating by use of tungsten-halogen heating elements. A space heater for use with a radiator or other heat using apparatus employs the principle of collecting heat emitted by a tungsten-halogen element by use of a heat transfer f... | 01/10/1989 |
| 4533820 | Radiant heating apparatus Disclosed herein is a photoheating apparatus for heat-treating an object such as silicon semiconductor wafer in a flowing gas of a special composition. It comprises a container adapted to position the object therein, at least one part of the container bei... | 08/06/1985 |
| 4420677 | Heating system A heating system comprising a closed conduit containing a liquid which is continuously circulated through the conduit by a pump. An electrical resistance heating unit serves to heat the liquid in the conduit and heat is transferred from the liquid through... | 12/13/1983 |
| 4417116 | Microwave water heating method and apparatus A method of and apparatus for heating liquids such as water utilizing microwave energy is disclosed. A microwave fluid heater system comprising a microwave-transparent fluid conductor body is arranged in a microwave-reflective and heat-insulated chamber. ... | 11/22/1983 |
| 4358652 | Fluid heater apparatus A fluid heater apparatus for providing heated fluid on demand, the apparatus including at least two microwave heating units with coiled tubing disposed in the microwave field and connected to a valving and electrical system wherein heated fluid is supplie... | 11/09/1982 |
| 4352248 | Bonnet type steamer A bonnet type steamer including an ultrasonic atomizer for generating a mist at room temperature and an electric heater for heating the mist for the generation of steam before the mist enters into the interior of a bonnet where the customer's head is inse... | 10/05/1982 |
| 4310738 | Microwave fluid heating system A microwave heating system utilizing a magnetron for generating the microwaves. The microwaves are sent to a diffuser which spreads the microwaves in an upper chamber of a housing from where they can bounce off the metal walls of the upper chamber and pas... | 01/12/1982 |
| 4220846 | Method and apparatus utilizing a porous vitreous carbon body particularly for fluid heating A body of a specially prepared, porous vitreous carbon which does not crack or substantially change in electrical resistance with time when heated to elevated temperatures in air and which is used in a method or apparatus to heat a fluid stream flowing in... | 09/02/1980 |
| 4191524 | Fuel oil supply system having an electrically heated filter A fuel oil supply system for providing fuel oil to a heater in a building includes a storage tank, a gravity feed supply line running from the fuel oil tank to the building, a fuel oil heater in the building receiving the fuel oil from the supply line, an... | 03/04/1980 |
| 4110603 | Plastic pipe heater A U-shaped heating element is attached to a bracket having an elongated back portion and ear portions joined normal to each end of the back portion. The ear portions extend to the same side of the back portion, and each ear portion has a plurality of perf... | 08/29/1978 |
