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7620302 |
High efficiency, peak power reducing, domestic hot water heater
A high efficiency, peak-power reducing, domestic hot water heater is described. It comprises a closed tank having a predetermined water holding capacity. A hot water outlet is provided in a top end...
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7560672 |
Heated pump with boiling protection
A heating system for heating fluid media including a carrier unit, a heating unit arranged on the carrier unit and a heat transfer element arranged on the carrier unit and includes a material which...
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7509033 |
Side port insert design for water heater
An electric water heater has a tubular side port insert, projecting into the interior of the filament-wound plastic tank portion of the water heater tank, operative to conduct tank water heat to an...
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7315692 |
Electrical water heater
The present invention discloses an electrical water heater including a container body which is adapted to contain a predetermined volume of water, a heating unit mounted to the heater body for...
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7242858 |
External reset device for an electric water heater
An external reset device that is operable in combination with an electric water heater is disclosed. The external reset device is attached to an element cover that is mounted to the water heater...
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7162150 |
Thermistor sensor probe with bimetal high limit control for electric water heater control
A bracket operable to support a temperature control device and a sensor probe at an external surface of a water tank for controlling and monitoring the water temperature of the tank. The bracket...
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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...
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6957014 |
Liquid heater
A liquid heater comprising a plurality of storage compartments for containing liquid to be heated. The storage compartments being connected together in series and comprising at least a first end...
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6710310 |
Heating element with integrated heat safety device
The invention relates to armoured heating elements. The invention specifically relates to a heating device ( 1 ) consisting of a tubular envelope, wherein a heating element ( 4 ) surrounded by...
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6707988 |
Universal drain plug heater for livestock water tanks
An electric water heater for use with a livestock water tank includes a heating element, a housing including a drain plug fitting, and a power cord. The power cord is interconnected with the...
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6477323 |
System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for heating a vessel made of glass
A heating vessel for concentration is formed in an elongated one, and a baffle plate is arranged to increase sulfuric acid liquid concentration at an outlet to a high level. The heating vessel for...
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6371057 |
Adjustable mount for a gas control valve of a water heater
A fitting for connecting a gas control valve to a water storage tank of a gas water heater comprising a base member having an elongated opening sized and shaped to receive a mating locator attached...
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6353708 |
Apparatus for mounting an electrical heater through a water tank drain plug opening
An electric water tank heater is installable through the drain plug opening of a water tank. The heater includes a power cord interconnected with a heating element through a temperature control...
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6317559 |
Apparatus for sealing the end portion of a hot-water tube in which electric heating wires are inserted
An apparatus for sealing an end portion of a hot-water tube in which electric heating wires are inserted enables electric heating wires in hot-water tubes to extend through to the outside, while...
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6289177 |
Encapsulated heating element fluid heater
A new encapsulated heating element fluid heater for heating a fluid such as water. The inventive device includes a vessel and an end cap. The end cap has a plurality of bores therethrough extending...
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6256456 |
Hot water dispenser with heat dissipation plates for dry-start protection
The present invention presents a heat dissipating system for protecting a hot water tank dispenser from damage during a dry operation. The dispenser includes a hot water tank with a plastic wall....
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6210208 |
Quick connect terminal and terminal block
A screwplug type water heating unit (10) has a body (12) through which ends (14a, 14b) of a heating element (14) extend. Separate terminal quick connects (22) have tabs (38a, 38b) which engage the...
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6151448 |
Electric heater for a livestock water tank
An electric water tank heater is installable through the drain plug opening of a water tank. The heater includes a power cord interconnected with a heating element through a temperature control...
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6137955 |
Electric water heater with improved heating element
A water heater heating element including a base member adapted to extend through and sealingly engage a wall of a water heater tank, the base member having a recess; a thermistor positioned in the...
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6123050 |
Sanitary stainless steel heating system
A sanitary fluid heater includes a corrosion resistant stainless steel housing, a stainless steel cap securely positioned over an open end of the housing, and a heating element disposed within the...
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6069998 |
Integral water heater and water temperature sensor
A screwplug type water heater (10) has a heating element (12) immersible in a water heater tank (T) to heat water (L). Electrical terminals (28) on the outer end of the heater connect the heating...
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6009238 |
Water distiller with improved automatic shutoff feature
Disclosed is a water distiller of the type having a raw water container, a heater for boiling water in the container and a thermostat for disabling the heater. In the improvement, the container...
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5968388 |
Steam cooking appliance with a corrugated heat transfer membrane and thermally conductive filler
A compressible and thermally conductive heat transfer membrane is placed between heating blocks and the bottom of a reservoir in a steam oven. This heat transfer membrane assists in distributing...
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5949960 |
Electric water heater with dry fire protection system incorporated therein
Multiple resistance type electric heating elements projecting into the interior of the storage tank portion of an electric water heater are protected against dry firing damage by using a water...
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5946448 |
Methods of assembling immersion heaters with heating elements in the form of printed circuit tracks
An immersion heater has a support plate on which there is provided an electrical heating element in the form of a printed circuit conductive track. The element is provided with a portion which...
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5809056 |
Vitrification furnace with a gas light seal
A Deglor furnace includes heating elements each having a heater rod being surrounded by a protective tube. The protective tube is mounted on a ceiling of the Deglor furnace and is run through an...
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5522523 |
Water heater having flexible liner and method for making the same
A lined water heater storage tank having a welded metallic shell and a bag-like liner within the shell. The welded metallic shell has ports for flow of water into and out of the storage tank, and...
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5404421 |
Fuel heating element mounting plug housing a thermostat
A combined heating element and thermostat for use in a water heater. An electrical heating element includes a U-shaped rod having first and second legs, the first leg being longer than the second....
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5379365 |
Replaceable adaptor for a hot water tank resistive heating element
An adaptor assembly for securing a resistive electric heating element to a hot water heating tank. The adaptor assembly comprises a hollow hub sealingly securable with a hole in a hot water tank...
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5371831 |
Electrical heating element assembly for water heater
A port assembly for a non-metallic pressure vessel is joined to a boss which is molded into or otherwise joined to the vessel wall. A bayonet type accessory mount is insertable therein for sealing...
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5335311 |
Modular galvanic current control resistor assembly for mounting on an electric immersion heater
A modular galvanic current control resistor assembly for application to a metallic sheathed heating element of a domestic water heating tank to prevent heating element corrosion includes a circular...
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5305419 |
Hot water tank construction, electrically operated heating element construction therefor and methods of making the same
A hot water tank construction, an electrically operated heating element construction therefor and methods of making the same are provided, the electrically operated heating element construction...
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5293446 |
Two stage thermostatically controlled electric water heating tank
A two-stage electric water heater which utilizes a centrally located, vertically-oriented flue pipe and multiple heating elements extending through selected lengths of copper tubing positioned in...
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5117089 |
Structural support for hermetic terminal assembly heater apparatus
A heating apparatus for heating a fluid medium confined in a hermetically sealed housing chamber including a terminal assembly having a body member sealed in the housing chamber wall with pins...
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5113480 |
Fluid heater utilizing dual heating elements interconnected with conductive jumper
A dual element comprises two electrical heating elements of different ratings. Each heating element has first and second terminals. The second terminals of the two heating elements are secured to a...
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5109474 |
Immersion heating element with conductive polymeric fitting
A hot water tank construction, an electrically operated heating element construction therefor and methods of making the same are provided, the electrically operated heating element construction...
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5058197 |
Heater apparatus for fluid medium in a hermetically sealed chamber
A heating apparatus for heating a fluid medium confined in a hermetically sealed housing chamber including a terminal assembly having a body member sealed in the housing chamber wall with pin means...
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5020128 |
Tubular sheathed electric heater with an overheat safety device
A tubular electric resistance heater includes a tubular sheath enclosing an electric heater coil. As protective overheat safety device is provided at an end of the sheath and includes an...
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4851640 |
Frost plug heater
The clamping mechanism for securing in place an electric heating element insertable through a frost plug aperture into the coolant passage in the blocks of a water cooled internal combustion engine...
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4848616 |
Electric immersion heating unit with readily removable and replaceable galvanic current control resistor
An electric immersion heating unit for use in conjunction with a metallic water heater tank provided with a sacrificial anode has the legs of a U-shaped metallic sheathed heating element extending...
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4808794 |
Thermostatically controlled electric immersion heating element
A thermostatically controlled electric immersion heating element for heating fluid contained in a dishwasher having a vertical wall includes an elongated heating element of flattened configuration...
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4707590 |
Immersion heater device
The present invention relates to the technical field of fluid heater devices, and more particularly to an electric immersion heater for use in electro-plating, metal preparation, finishing...
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4675508 |
Electrically heated vacuum bottle
A vacuum bottle of the electric heater type includes a body having a tubular outer shell and a tubular inner shell disposed within the outer shell to form a hermetically sealed thermal insulation...
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4593178 |
Removable electric heating assembly for fluid heaters and boilers
A fully removable heating element assembly for use in fluid heaters and boilers, such as the boiler contained in a CO 2 removal air purification system employing a monoethanolamine (MEA) solution,...
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4543469 |
Grounding arrangement for metal sheathed heating element having a plastic mounting member
An electric metallic sheathed immersion heating element adapted to be mounted on the metal wall of a fluid tank with the active heating portion of the element extending through an opening in the...
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4506140 |
Electric immersion heater assembly having an isolated terminal box
An electric heater adapted to be extended through an aperture in a tank wall for immersion in a fluid to be heated includes an elongated heater block structure formed by a metal core cast in a...
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4485771 |
Engine block heater having flexible clamping member
An engine block heater adapted for insertion through an opening in the block wall of an internal combustion engine has a novel arrangement for securing the heater within the opening of the block...
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4480604 |
Engine block heater
An engine block heater adapted for insertion through an opening in the block wall of an internal combustion engine has a novel arrangement for securing the heater within the opening of the block...
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4465039 |
Engine block heater with expansion yoke
An engine block heater adapted for insertion in an opening in the block wall of an automobile engine has a plug member and a novel yoke assembly for securing the heater within the opening. The yoke...
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4310748 |
Electric kettle reservoir assembly
A reservoir for an electric kettle is defined by a dome shaped shell and a planar inner bottom, which are fastened together mechanically having a room temperature vulcanized silicone rubber filler...
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