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| Number | Title | Issue Date |
| 8014653 | O-ring seals for spa heater element A spa heater includes a heater element having a single outer wall with indentations near each end for receiving clips for positioning the heater element. The indentations are preferably stamped or formed by some other method which does not weaken the outer wall and ... | 09/06/2011 |
| 7945146 | Tankless hot water heater with power modulation A tankless hot water heater includes a pipe, at least one heating element, sensors, an input means and a microprocessor. The pipe has an inlet and an outlet. The at least one heating element is configured to heat water flowing through the pipe. At least one sensor i... | 05/17/2011 |
| 7809254 | Dialysis fluid heating using pressure and vacuum A dialysis fluid heating system includes a dialysis fluid heater; a heating portion of a dialysis fluid carrying set, the heating portion configured to be placed in contact with a surface of the dialysis fluid heater to heat a dialysis fluid; a pneumatic source conn... | 10/05/2010 |
| 7702224 | Snap ring fit spa heater element A spa heater includes a heater element having a single outer wall with indentations near each end for receiving clips for positioning the heater element. The indentations are preferably stamped or formed by some other method which does not weaken the outer wall and ... | 04/20/2010 |
| 7440684 | Method and apparatus for improved temperature control in microfluidic devices A microfluidic system and method for employing it to control fluid temperatures of fluids residing within microchannels of a microfluidic device. The microfluidic device is provided with a top layer and a bottom layer and microchannels configured therebetween. Tempe... | 10/21/2008 |
| 7403704 | Dual heating device and method A dual-channel fluid temperature control apparatus controls temperature of cardiac fluids during surgery using power from an electrical convenience outlet having a power limit. A first pump receives a first heat exchange fluid to selectively pump the first heat exch... | 07/22/2008 |
| 7357144 | Contamination control apparatus, management system and related methods A contamination control apparatus includes at least two pipes connected by a joint portion and configured to allow a processing fluid to flow therethrough, and a cover configured to enclose the joint portion and to provide an enclosed cavity between the cover and th... | 04/15/2008 |
| 7317871 | Heater for fluids comprising an electrically conductive porous monolith An electrical heater element of controlled resistivity which can be used for a wide range of applications is formed from an electrically conductive synthetic porous carbon monolith. ... | 01/08/2008 |
| 7316666 | Fluid warming cassette with rails and a stiffening member A fluid warming cassette useful in a system for warming parenteral fluids is provided. The cassette comprises a thermally conductive, flexible fluid container with a fluid channel. Rails are disposed in the fluid container near its periphery, and a stiffener is disp... | 01/08/2008 |
| 7258801 | System and method for reducing deionized water consumption A system and method are provided for reducing DI water consumption by delivering the DI water at an elevated processing temperature when demanded. The DI water is passed through a heater for heating the DI water to a processing temperature in a single pass. The DI w... | 08/21/2007 |
| 7164851 | Modular tankless water heater control circuitry and method of operation Control circuitry is disclosed for use with a tankless water heater system including a plurality of water conduits connected in series. The control circuitry includes a plurality of water heater elements, one each associated with each of the plurality of water condu... | 01/16/2007 |
| 7158719 | Medical fluid warming system An improved inline intravenous fluid warming device. In one embodiment, the device includes a resistive film heater that is thermally coupled to a body having a serpentine fluid path extending therethrough. The film heater is coupled to the body via a first layer th... | 01/02/2007 |
| 7123825 | Water heater and method of providing the same An apparatus for heating fluid and a method for providing the same is provided. Generally, the system contains a metallic core; a dielectric layer thermally sprayed on the core; a resistive heater layer thermally sprayed on the dielectric layer; a metallic layer por... | 10/17/2006 |
| 7088915 | Modular tankless water heater A tankless water heater module is disclosed and includes a casing having a first end, a second end and a plurality of conduits formed therein. A top head manifold is coupled to the first end of the casing and includes a port aligned with each of the plurality of con... | 08/08/2006 |
| 7054548 | Vibration-flow-type heating-body cooling device The central position of each heating body 1 in the fluid flow direction is referred to as a heating body central position, the central position of a heat radiating section 33a located between the neighboring heating bodies 1 in the fluid ... | 05/30/2006 |
| 7043151 | Pipe heater manufacturing method and pipe heater The pipe heater manufacturing process comprises a vacuum making process A for introducing a stainless steel pipe into a furnace and evacuating the inside of the furnace, for example, to a pressure of 0.5 Torr, a pipe end sealing process B for brazing and sealing plu... | 05/09/2006 |
| 7020387 | Hybrid water heater A tankless water heater powered by a fuel cell. In preferred embodiments, a fuel cell powered water heater in which the fuel cell is electrically connected to the electrical system of the building in which the water heater is installed as well as to the public elect... | 03/28/2006 |
| 7003216 | Space heater A portable space heater is provided in which a sealed vessel includes electrical heating elements for containing a fluid to be heated. A cooling tube communicates between an outlet at a top of the vessel and an inlet pipe extending down into the vessel. The inlet pi... | 02/21/2006 |
| 6928236 | Aircraft galley A galley 1 has a main body 10 constructed of a panel material, and the galley main body 10 has a table 20, a sink 30, a storage compartment 40 and a service cart housing compartment 60. A hot-water supply unit 100 ... | 08/09/2005 |
| 6912357 | Fluid heater A fluid heater apparatus supplies heat to wash fluid via a continuous, labyrinthian flow path in a thermally conductive body. A heat source is disposed in the thermally conductive body for imparting heat to the body. Fluid flowing through the thermally conductive bo... | 06/28/2005 |
| 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 |
| 6850699 | Fluid heater temperature control apparatus and method A method and apparatus for controlling fluid temperature in a fluid heater apparatus which supplies heat to fluid from a controllable heater element(s) which includes establishing a discharge temperature range between a first high temperature and a second low temper... | 02/01/2005 |
| 6621985 | Electric water heater A spa system includes a tub, a pump, an electrical heater, and a tubing system interconnecting the tub, pump, and electric heater to provide recirculating flow of water through the spa system. The electrical heater includes a housing made of a polymer mat... | 09/16/2003 |
| 6601606 | Integrated valve for gas chromatograph A gas chromatograph with multiple valves is disclosed. An embodiment of the multi-valve gas chromatograph includes multiple valves, multiple thermal conductivity detectors (TCD's), and a manifold. This allows separation and measurement of a gas sample in ... | 08/05/2003 |
| 6590188 | Control system for bathers A control system for bathers includes an electronic controller which controls operation of an electric heater assembly connected in a water flow path for heating water. The heater assembly includes a heater housing and electric heater element. A solid sta... | 07/08/2003 |
| 6532339 | Device for thermally processing a gas stream, and method for same A spiral shaped device for thermally processing a gas stream and a method of use thereof is provided. The spiral shaped device has at least one sidewall formed into a coil; at least one spiral passage, defined by the sidewall, for directing the gas stream... | 03/11/2003 |
| 6498898 | Uniform heat trace and secondary containment for delivery lines for processing system A fluid delivery system for delivering a process fluid to a vacuum processing system includes a secondary containment line surrounding a process fluid line. A purge gas flows through the secondary containment line and around the process fluid line in orde... | 12/24/2002 |
| 6321037 | Portable water heater A hand held dispenser of hot water intended for weed control purposes has a handle containing a hose connection, a flow regulator, a heating tube, an exit tube, a nozzle and a power switch. The handle is connected to a tube which contains a main electric ... | 11/20/2001 |
| 6282370 | Control system for bathers A control system for bathers includes an electronic controller which controls operation of an electric heater assembly connected in a water flow path for heating water. The heater assembly includes a heater housing and electric heater element. A solid sta... | 08/28/2001 |
| 6246831 | Fluid heating control system An improved system, method and apparatus for control of an instantaneous flow-through fluid heater system is disclosed. The control incorporates a logic control method providing modulation of power in small steps to a plurality of heating elements retaini... | 06/12/2001 |
| 6192192 | Instantaneous water heater A continuous flow heater has an elastic, flexible or rigid pipe (10) which is movably mounted and a heat source (6). When a liquid flowing through the pipe is heated in the pipe interior (1), undesired scale tends to be deposited on the interior of the pi... | 02/20/2001 |
| 6047108 | Blood warming apparatus An apparatus (10) for the controlled heating of fluid comprises a general elongated electrically heating core (16) with an exterior surface (36) formed of a material having a high thermal conductivity and frustoconically shaped to slidingly receive an ass... | 04/04/2000 |
| 5832178 | Hot melt mix applicator with electrically heated hose and wand with temperature-controlled electric generator A method and heating system for a hose and dispenser wand of a hot melt mix applicator uses a three phase heating element powered by a generator to heat the hose and wand to maintain hot melt mix material within the hose and wand in a flowable state. To s... | 11/03/1998 |
| 5816474 | Linear motor pump for wave soldering systems The linear motor pump for a wave soldering apparatus comprises in accordance with the invention several pumping channels arranged substantially parallel to each other and separate from each other. It includes preferably a multiply segmented stator. Each s... | 10/06/1998 |
| 5647055 | Method for cyclically dispensing water from a heated water apparatus A heated water apparatus which includes a reservoir for retaining a quantity of heated water and a controller for controlling the heated water apparatus. A controllable heater is coupled to the controller and the reservoir for controllably heating the wat... | 07/08/1997 |
| 5544276 | Miniature gas chromatograph with heated gas inlet fitting, heated tubing, and heated microvalve assembly A miniature gas chromatograph with thermostatically-controlled heating of its component parts which contact and conduct the sample to the analytical column. The microvalve assembly of the gas chromatograph is heated by passing a thermostatically-controlle... | 08/06/1996 |
| 5073625 | Self-regulating porous heating device A self-regulating porous heater regulates the temperature of fluid passing through it. This device includes at least one layer of a porous material which has a magnetic permeability inversely related to temperature over a given range. Due to conductor ski... | 12/17/1991 |
| 4803466 | Cleaning machine for carpet, upholstery and draperies A cleaning machine for carpet, upholstery, draperies, and the like is designed with a safety system to prevent the cleaning liquid from being inadvertently overheated. The system senses the electrical conductivity or the density of the liquid and then lim... | 02/07/1989 |
| 4713525 | Microcomputer controlled instant electric water heating and delivery system A microcomputer operates in response to user selected flow rate and water temperature inputs to calculate the temperature difference between the cold water input and the hot water delivery output from a multisection continuous flow electric water heater w... | 12/15/1987 |
| 4707587 | Blood warming method and apparatus using gaseous heat exchange medium A blood warming device circulates air as a heating medium through a heater element and heat exchangers to transfer heat from the air to chilled blood being forced through the channels in a disposable warming jacket. A temperature sensor is disposed near a... | 11/17/1987 |
