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| Number | Title | Issue Date |
| 8107802 | Tankless electric water heater with efficient thermal transfer A tankless electric water heater is disclosed that optimizes energy efficiency while minimizing cost and size. A flow-through container surrounds an electric heating element having a surface that is everwhere in direct, unobstructed relationship with the container w... | 01/31/2012 |
| 7439473 | Method and arrangement for supporting vertically depending electrical resistance elements A method of supporting vertically hanging electrical resistance elements for heating furnaces or ovens in industrial operations. Each resistance element includes current-conducting legs that extend downward and upward a number of times, and the element includes alon... | 10/21/2008 |
| 7331950 | Apparatus for containing noise generated by a pneumatically powered surgical instrument and related method A sound attenuating system is provided for pneumatically powered surgical instruments. In one aspect, the exhaust hose is formed of at least two dissimilar materials to impede the transmission of vibrations or audible noise. In an alternative form, the exhaust hose ... | 02/19/2008 |
| 7236692 | Spa heater system and methods for controlling A spa system comprises an electrically powered heater. The electrically powered heater comprises a heating element capable of drawing a rated current when switched on to an AC line voltage. An electronic control system is programmed to control the heating element to... | 06/26/2007 |
| 7228067 | Chromatography column assembly with woven tubular mesh heater element A direct-heating column assembly for chromatography, includes at least one capillary column and at least one element made of electrically conductive material in contact with the capillary column. The element includes a plurality of filaments woven together to form a... | 06/05/2007 |
| 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 |
| 7180039 | Heater with burnout protection A heater is provided that has a temperature sensing control system which can be used for both temperature control and over-temperature protection against element burnout. The temperature control system is comprised of an inlet temperature sensing assembly positioned... | 02/20/2007 |
| 7159608 | Manifold system and method for compressed medical gases A manifold system is provided herein. The manifold is operative to automatically switch between an In-Use supply of compressed gas to a Reserve supply of compressed gas. The manifold system is constructed so that after it has been installed, it may be converted for ... | 01/09/2007 |
| 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 |
| 7143766 | Temperature controlling device for aerosol drug delivery A portable air temperature controlling device useful for warming air surrounding an aerosolized drug formulation. Warming the air of an aerosol makes it possible to reduce the diameter of aerosol particles produced by an aerosol generation device. Additionally, warm... | 12/05/2006 |
| 7076814 | High flow rate water supply assembly An assembly for rapidly filing bathtubs, whirlpools, spas, washing machine drums and the like includes a basin, water storage tank(s) (such as hot and cold water storage tanks), and a system for controlling the filling of the basin from the tank(s). When it is desir... | 07/18/2006 |
| 7065292 | Electric water heater An electrical heater for fluid including a generally tubular housing have a wall portion made of a titanium material, and an elongated electrical heating element having electrical connectors on opposite ends thereof extending through the wall portion. The electrical... | 06/20/2006 |
| 7065293 | Heater for vacuum cleaners A heater for fluids includes a housing made of a non-metallic material and having an internal cavity. The housing has an inlet and an outlet, each of which are in fluid communication with the internal cavity. An elongated electrical heating element is disposed withi... | 06/20/2006 |
| 7061252 | Electrical arcing protection circuit A protection circuit, configured to detect and suppress electrical pre-arcing and arcing conditions in a resistive heater wire circuit, comprises a transient voltage suppressor, signal level sensing load coupled to the output of the voltage suppressor, detection and... | 06/13/2006 |
| 7039305 | Heat conductive tubular electric heater A heat conductive tubular electric heater is disclosed. In the heater body, a water inlet tube is connected to a heat conductive tube and an electric tube is installed within the heat conductive tube so as to form a water path between a periphery of the electric tub... | 05/02/2006 |
| 6974504 | Electrical pipeline remediation A method of remediating deposits within a pipeline comprising inserting a removable smaller pipe within said pipeline, providing an electrically insulating coating on said smaller pipe, providing a contactor proximate said distal end of said smaller pipe to electric... | 12/13/2005 |
| 6959144 | Air heater with expansion containing electric heater arranged in stages Providing a hot air heater and an expansion in the air blowing passage of the hot air heater and suppressing increases in air trunk resistance even if electric heaters are arranged in this expansion in a plurality of stages prevents increases in the rotation speed o... | 10/25/2005 |
| 6941064 | Heater for vacuum cleaners A heater for fluids including a housing made of a non-metallic material and having an internal cavity. The housing has an inlet and an outlet, each of which are in fluid communication with the internal cavity. An elongated electrical heating element is disposed with... | 09/06/2005 |
| 6879780 | Method and device of inserting a coated electric heating wire into a hot water tube and a sealing apparatus for the open end(s) thereof The present invention relates to a method and device of inserting a coated electric heating wire (6) into a hot water tube (2) and to an apparatus for a sealing plug mounted at an end (1a) of said hot water tube (2). An end of a ho... | 04/12/2005 |
| 6873793 | Electric water heater An electrical heater for fluid including a generally tubular housing have a wall portion made of a titanium material, and an elongated electrical heating element having electrical connectors on opposite ends thereof extending through the wall portion. The electrical... | 03/29/2005 |
| 6873790 | Laminar air flow, low temperature air heaters using thick or thin film resistors An elongate heating element that includes an insulative substrate and a resistive coating that heats to a predetermined temperature when an electrical current is passed through the coating. The insulative material forming the substrate is preferably a ceramic such a... | 03/29/2005 |
| 6853804 | Ice and snow removal system One or more dispensing conveyances (1) have outlet apertures (2) or conveying and dispensing heated water to surfaces of roofs (3) and other structural surfaces selectively when ice and snow is being accumulated or has accumulated thereon. The w... | 02/08/2005 |
| 6775474 | Heat transfer system without a rotating seal A fluid heat transfer system including a motor and a tank located in adjacent compartments. The motor includes a rotatable shaft extending into the tank having an opposed end connected to an impeller for circulating a heated working fluid through the system. A hollo... | 08/10/2004 |
| 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 |
| 6591063 | Bath temperature maintenance heater A temperature maintenance heater assembly 10 for maintaining the temperature of a heated fluid circulating through piping of a bath, including a pipe section 70, base plate 40, control device assembly 30, base plate cover 80, and a heating element 20. The... | 07/08/2003 |
| 6555796 | Heater having over temperature control A heater having a shut off device is provided which prevents false over temperature lockouts. The heater comprises a body having walls defining a volume for holding water, a heating element thermally coupled to the body for heating water within the body, ... | 04/29/2003 |
| 6456785 | Resistance heating element A system for electrically heating a flow of liquid singularly passing over a heating element contained within a housing. Liquid is inserted into the housing and passes over a heating element, with the straight embedded resistance wire, which causes the li... | 09/24/2002 |
| 6402943 | Diesel filter system The present invention provides a diesel filter system and a fuel heating device comprising a PTC heating element and a rod-shaped heat conductor which is in thermal contact with PTC heating element. The rod-shaped heat conductor comprises at least two tub... | 06/11/2002 |
| 6280688 | Rinsing device for sample processing components of an analytical instrument A device for rinsing sample processing components of an analytical instruments including an inlet coupleable to a fluid source, an outlet coupleable to sample processing components of an analytical instrument, and a fluid reservoir between the inlet and o... | 08/28/2001 |
| 6260608 | Windshield clearing and de-icing system A windshield clearing and de-icing system including a first housing having air inlet and outlet ports extending through walls of the first housing and further having fluid inlet and outlet ports extending through the walls of the first housing, and also i... | 07/17/2001 |
| 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 |
| 6184506 | Catalyst carrier An object of the present invention is to provide a catalyst carrier suitable for use of three-phase alternating current. In the present invention, three catalyst foils are spirally wound and surface contact among the catalyst foils is prevented thereby al... | 02/06/2001 |
| 6080973 | Electric water heater An electric water heater is provided which includes a polymeric body having an elongated hollow and an inlet opening and an outlet opening in communication with the hollow for flowing water to pass therethrough. An electrical resistance heater having a he... | 06/27/2000 |
| 6054692 | Heating device, heat storing type heat generating body and protective sheet for the heating device In a heating device used for melting snow on a road, a roof or the like, or for room heating of in-door facilities, in order to heat a to-be-heated or heated object uniformly over its entire area and enable to utilize effectively a PTC heater, a heat diff... | 04/25/2000 |
| 5975119 | Ice-proof fluid line assemblies Apparatus for conducting fluid and preventing its icing have a fluid line structure and a tubular fluid line element located in that fluid line structure and having a cross-section sufficient for a desired throughput of fluid. A heater element is located ... | 11/02/1999 |
| 5960857 | System temperature control tank with integral modulator valve and flowmeter A machine for circulating cooling water through manufacturing process equipment includes a combination pump and heat exchanger assembly. The machine has a cast metal pump case with two upwardly opening sockets receiving the lower ends of two tanks, one of... | 10/05/1999 |
| 5963709 | Hot air blower having two porous materials and gap therebetween A hot air blower is provided having a first material, a second material, and a gap disposed between the two materials. The gap provides residence time in order for a gaseous flow delivered through the blower to become heated. The materials preferably comp... | 10/05/1999 |
| 5957384 | Windshield heated wiping system A windshield wiper system for an automotive vehicle is disclosed in which the windshield wiper washer fluid is heated and delivered to the windshield through the rubber wiping element. In one embodiment, the windshield wiper fluid is heated to a substanti... | 09/28/1999 |
| 5907663 | Far-infrared electric heater Disclosed is a far-infrared electric heater mainly including an electric heating coil, an inner element set in the heating coil, and an outer tubular member enclosing and insulating the heating coil and the inner element. The inner element is made by mixi... | 05/25/1999 |
| 5892887 | Electric water heater with a pair of interconnected heating chambers having concentric copper tube structures A water heater for use in a carpet cleaning system has a pair of inner copper tubes which are press fit into outer copper sleeves. Each tube/sleeve combination defines a heating chamber. A hollow tubular bridge extends perpendicularly between and in fluid... | 04/06/1999 |
