Matches 151 - 200 out of 286 < 1 2 3 4 5 6 >
Match Document Document Title
4514617 Two-stage electric water heater  
A two-stage electric water heater adapted to store water at a comparatively low temperature and to heat the outflowing stored water to a desired higher temperature includes a storage vessel...
4493973 Flow controlled electrode type liquid heater  
An electrode type liquid heater includes a tank having an inlet and an outlet disposed so that in normal operation of the heater the tank is partially filled with electrically conductive liquid...
4484062 Heater structure  
An electric heater structure designed to be used as an auxiliary water heater for showers, sinks and the like includes a housing defining a water heating chamber having an inlet for connection to a...
4459468 Temperature control fluid circulating system  
A fluid circulating system primarily designed for use with a thermal blanket or pad and being temperature controlled so that both heating and cooling effects may be produced through the preheating...
4406785 Diesel fuel heater  
The diesel fuel heater is PTC energized and is for heating gelled diesel fuel to a liquid state so as to improve engine performance particularly for engine starting. The heater is compact and is...
4401879 Self-regulating electrical resistance heater and fuel supply system using the heater  
A fuel supply system having means for furnishing a mixture of air and alcohol or gasohol fuels to an automotive engine has a self-regulating, ceramic, electrical resistance heater for enhancing...
4354094 Thermostatically controlled electric continuous water heating unit  
An automatic continuous boiling water heater unit has a water heating tank incorporating an electric heating element near the bottom thereof and a float operated valve for feeding water to the...
4350872 Electrical heating element for fluid media and method for producing same  
An electrical heating element for fluid media, more particularly for hot air appliances, comprising a support member of insulating material and at least two heating conductors which are made of...
4346285 Heating device employing thermistor with positive coefficient characteristic  
A heating device for heating fluid is disclosed. The heating device includes a tanning unit including a thermistor element having a positive temperature coefficient characteristic and adapted to...
4340354 Oil burner  
Light fuel oil of low viscosity is supplied to a pressure atomizing oil burner. A flow heater which is positioned upstream of the pressure atomizing nozzle, preheats the fuel oil to a temperature...
4310747 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...
4288685 Flow-activated resistance heater for water  
A flow-activated water heater includes a body defining water inlet chamber communicating with a heating chamber containing an electric resistance heater through an intermediate flow duct. A movable...
4272668 Small round air stream heating unit  
An electric air stream heater adapted to operate directly on 120 volts with a wattage output of less than 500 watts without the need for any special control module, comprising, a cylindrical...
4264888 Multipassage resistor and method of making  
A resistor particularly useful as a self-regulating fluid heater has passages extending through a body of ceramic resistance material of positive temperature coefficient of resistivity (PTC) and...
4245146 Heating element made of PTC ceramic material  
Disclosed herein is a heating element for an air heater and the like comprising a ceramic material in the form of a honeycomb as well as the process for producing the ceramic material. The heating...
4162395 Heating unit for heating fluid  
The present disclosure relates to a heating unit for heating fluid such as air, in which a plurality of positive temperature coefficient (PTC) semiconductors are aligned in parallel to define...
4111142 Apparatus for heating seams of cans  
An apparatus for heating the adhesive-coated seam portions of a can of square cross-section including the side seam and curled peripheral end seam for hermetically sealing the can, and which...
4091265 Fuel filter heating assembly  
A solid state fuel heater unit for use in heating the fuel flow in a fuel filter is disclosed which unit includes a heat conducting ring having a power transistor mounted thereon and driving a...
4083478 Molten metal shut-off valve utilizing cooling to solidify metal flow  
In a battery grid casting machine there is provided in the feed line from the lead pot to the lead dispensing valve a shut-off valve having a passageway therethrough of relatively small cross...
4025754 Electrically heated dryer  
An electrically heated dryer for articles comprises a drying container and an air duct leading thereto for directing air in a stream through the duct and into the container. An electric resistance...
4019021 Electric resistance fluid heating apparatus  
A resistance heating apparatus for rapidly heating a liquid or gas to a desired temperature includes a porous mat of fine electrically-conductive elongated elements selected from the group...
3956614 Electric current distribution means for a ceramic type of electrical resistance heater element  
A metal bar with a metal felt covering on each side or therearound and sized externally to be a snug slip fit into slot means provided in a conductive surface monolithic refractory ceramic heater...
3949905 Device for the production of articles with a compact smooth skin and a cellular core from polymer materials  
An apparatus for the production of articles with a compact smooth skin and a cellular core from polymer materials, which contain blowing agents, by injection molding or extrusion wherein the...
3947899 Warm water supply kit  
A kit for supplying a small quantity of temperature and pressure controlled warm water for application to body cavities, the kit containing a pressure regulating valve, an anti-syphon valve, a...
3943330 Method and apparatus for electrically heating a fluid  
Fluid heating arrangements and methods are provided wherein liquid is caused to flow through a fluid permeable electrical resistance heater body. Prior to the heater body, the liquid passes through...
3936901 Wiper blade with embedded heating element  
A heated windshield wiper assembly having a heat resistant flexible blade element provided with an electrical heating arrangement disposed in a cavity of the blade element. The heating arrangement...
3927300 Electric fluid heater and resistance heating element therefor  
An electric fluid heating element comprises a column-shaped honeycomb structural body of an electrically conductive cermaic material having a positive temperature coefficient of resistance. The...
3912903 Electrical heating device for air duct  
An electrical resistance heating device for use in an air duct connected with a blower for heating air forced across the device along the duct, comprising a mounting plate, a pair of spaced...
3904851 Electric heater for heating a fluid medium  
An electric heater for heating flowing air comprises a sheet support for a heater filament of non-circular cross-section and twisted about its longitudinal axis. The heater filament is wound about...
3901224 Thermal control of body functions  
A method and device for thermally controlling body functions. A thermally conductive element is situated in the interior of the body at a location where a change in temperature will regulate a body...
3898426 Heating assembly for domestic forced air electric furnace  
A heating element assembly which includes a mounting base, a support rack fixed to the mounting base, a plurality of insulators fixed along the lengths of the support rod, and a thin, flat strip of...
3894213 Fluid circulating heating pad  
A fluid heating and temperature control unit is provided for a system utilizing a circulating fluid type heating pad or thermal blanket. The unit comprises a bulkhead with a fluid reservoir mounted...
3885126 Electric heat accumulator unit  
An electric heat accumulator unit for use in an electrically powered motor vehicle characterized in that the unit is powered independently of the battery used to power the vehicle. The unit makes...
3872869 POULTRY SEMEN COLLECTING APPARATUS  
Method and apparatus for removing semen from poultry for artificial insemination of poultry. Poultry clamping means are provided and a suction probe includes a circulating fluid bath containing...
3873809 High temperature gas furnace  
A circulation heater for heating to a high temperature gas under high pressure. The furnace includes an inner container and an outer container with gas pervious insulation positioned between the...
3858569 COFFEE BREWING SYSTEM  
A coffee brewing system providing a predetermined amount of water to a heating reservoir. Water at line pressure is connected to the inlet of a first water pressure regulator. The first pressure...
3833791 RESISTANCE TYPE FLUID HEATING APPARATUS  
A method and apparatus for rapidly heating gases, liquids, vapors and aerosols to a desired temperature by electric resistance heating. More particularly, the present disclosure is directed to a...
3828161 FOR HEATING FLUIDS BY MEANS OF GAS PERMEABLE HEAT GENERATING MEMBERS  
Apparatus for heating a fluid has first and second heating chambers each having an inlet and an outlet. At least one passage connects the first heating chamber to its inlet and a fluid-permeable...
3810463 APPARATUS FOR PEDICURE  
A rotary foot treatment arrangement having a basin within which a plurality of brush elements are rotatable about a central column from which treating fluid is directed onto feet within the basin...
3811031 DUCT ELECTRICAL HEATER UNIT  
An electrical resistance heater module or unit for insertion into ductwork, said unit having electrical resistance elements supported in a frame the side members of which have locator means in the...
3795789 RESIDENTIAL WATER HEATERS  
Water from a cold water feed pipe passes through a control valve assembly to a small container which is provided with an electric resistance heater. The control valve assembly has a member which...
3793934 AUTOMATIC COFFEE MAKER WITH LIQUID LEVEL SENSOR AND SIPHON CONTROL  
Cold water is supplied to a basin until it reaches a liquid level sensor and then is siphoned from the basin into a hot water tank from which hot water is siphoned for coffee brewing purposes....
3791284 MACHINE FOR MAKING COFFEE BEVERAGE  
Machine for making a coffee beverage and dispensing the same into cups. The machine has a single water circuit in a part of which the water is cold and in the other part of which it is hot. The...
3784786 HEAT AND MASS FLOW FORCED CIRCULATION ELECTRIC AIR HEATER  
Apparatus for distributing uniformly a mass flow of air to a heater, for distributing heat from the heater uniformly into the air flow thereby uniformly cooling the heater surfaces and for...
3777728 PROCESS AND APPARATUS FOR ASSISTING IN STARTING INTERNAL COMBUSTION ENGINES  
A process and equipment for facilitating the starting of internal combustion engines by heating the intake air of a fuel-air mixture before the air reaches the carburetor of the engine. The...
3777117 ELECTRIC HEAT GENERATING SYSTEM  
When an insulated conductor wire inside a steel tube carries alternating current as one leg of a circuit, and the tube itself carries the A.C. for the return leg, induction and magnetic effects...
3760147 APPARATUS FOR HEATING A WATER BED  
Apparatus for heating a water bed in which an electrical fluid pump circulates water from a water bed through an electrical heater interposed in a conduit system interconnecting the pump to the...
3747670 THERMAL FLUID HEATER  
A method of heating or cooling a heat transfer fluid prior to circulation through a heat exchange system wherein the heat transfer liquid is circulated helically through an elongated substantially...
3712312 SELF-SUFFICIENT FINGER-NAIL TREATMENT SALON  
A self-sufficient finger-nail treatment salon in which the user is supplied with bottles of nail polish, nail-working tools, and means to illuminate the nails with light rays simulating the...
3700857 ELECTRICAL RESISTANCE HEATER  
A resistance heater comprising a sintered mass of refractory particles, each particle comprising an insulating core coated with a thin film of an electrically conducting material, is obtained by a...
Matches 151 - 200 out of 286 < 1 2 3 4 5 6 >