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9002185 PV water heating system  
Provided herein are systems and methods directed to using renewable energy sources with hot water heating systems.
8909033 Control systems for renewable hot water heating systems  
A method is provided for interconnecting a single electrical heating element of a hot water heater to first and second AC electrical power sources. Typically, these first and second AC electrical...
8755681 Line equipped with a coupling having an integrated heating element  
A urea feed or return line (2) that comprises a hollow coupling (1) enabling it to be connected to a urea tank and that comprises a passage for the urea, this coupling being, in addition, equipped...
8674268 Heated water bucket  
The heated water bucket includes a rubber bodied bucket with an integrated heating unit fitted to the bottom of the bucket. The heating unit covers the entire bottom of the bucket acting as a...
8515268 Boiler for heating water in coffee machines  
The invention relates to a boiler for heating water in a coffee or espresso machine, comprising a boiler housing (1), a cold water inlet (7), a hot water outlet (8) and an electric heating device...
8121466 Deicer anchoring system  
A system for preventing a deicer from being removed from a liquid receptacle includes a deicer, an anchoring assembly and a tether. The deicer includes a main body and a heating element. The...
8106337 Modularly contained dual or multiple system water heating element assembly  
A modular water heating assembly containing two heating elements (1, 2), each having a thermostat module (5, 6) inserted into a sensing tube (3, 4) and attached to the same threaded boss (7). The...
8094998 Device for making a beverage, provided with a water boiler  
A device for making a predetermined quantity of a hot beverage includes a boiler chamber for heating water and a tubular heating element inside the boiler chamber near the bottom of the boiler...
6917753 Radiant heater  
A heater including an electrically insulative panel having a decorative image on a first side and a resistive heating layer on the second side. The resistive heating layer is preferably a graphite...
6900415 Electric fryer  
An electric cooking apparatus for easily converting a pot to a deep fryer or boiler includes a housing having an elongated heating element attached thereto. The heating element includes an upper...
6810206 Drain plug heater  
A water heater has a housing, a heating element, and an electric power cord secured to the housing and to a three-pronged plug configured for insertion into a standard electrical power outlet. The...
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...
6290819 Distillation apparatus  
A continuous-flow water distiller includes a housing having a removable heating vessel which receives water to be distilled A heater is immersed within the water in the vessel for producing steam....
5990455 Chafing dish  
A heater for use with a chafing dish having water and food pans with complemental peripheral flanges is disclosed. The heater includes a spacer sized to be interposed between such flanges to...
5318107 Carrying bag  
The bag has a frame of rigid pieces secured together in three-dimensional shape, and panels are secured thereto forming a bottom side wall, end wall, and a pair of top closure panels, the latter...
5109473 Heater assembly for use in a corrosive environment  
A heater assembly for heating a container of corrosive fluid includes a housing adapted to be located in a container of fluid to be heated, a sealed chamber located in the housing, a heater...
4872224 Bathtub apparatus  
A bathtub apparatus is set forth wherein a portable module positionable overlying an associated bathtub rim includes a pump member for recirculating water through an inlet filtration pipe and...
4870252 Condensation controller  
The temperature of liquid in a tank and of the environment adjacent the tank are measured and a heater in the tank is controlled to heat the liquid if its temperature is sufficiently below that of...
4835366 Portable temperature controlled floating electric immersion heater for a livestock water tank  
A floating electric water heater for heating livestock watering tanks which maintains the watering tank substantially ice free during low temperatures, thereby providing access to water by a...
4815440 Apparatus for heating a bath  
An apparatus for heating a bath comprises a cover whose underneath surface is intended to come into contact with the surface of the bath and comprises at least one passage which is open towards...
4812626 Thermostatically controlled electric immersion heater for aquariums  
A thermostatically controlled electric heater for aquariums includes within an electric waterproof envelope, a heating element and a working unit regulating the temperature, moving axially in...
4723066 Apparatus for heating processing liquid  
An apparatus for heating a processing liquid has a heater for heating the processing liquid and a temperature sensor for detecting the temperature of the liquid. The heater and the sensor are...
4617456 Long life corrosion proof electroplating immersion heater  
A flexible electric heating assembly for immersion heating of highly corrosive liquids, such as electroplating solutions, includes an iron-nickel-chronium resistance element disposed within a...
4553024 Gas-purged flexible cable-type immersion heater and method for heating highly corrosive liquids  
An electric immersion heating apparatus for heating highly corrosive liquids includes a flexible cable-type immersion heater having a continuous coiled resistance heating element disposed in...
4546237 Wall-mountable single cup electric liquid heating appliance  
A single cup electric heating device for heating a cup of tea, coffee or the like includes a generally vertically oriented mounting support having a flat rear surface adapted to be mounted on the...
4417133 Fuel tank having an immersion heating element assembly  
A fuel tank is provided with an electric immersion heating element assembly directly immersible in the fuel within the tank and resting on the curved tank bottom. The assembly includes an...
4403137 Method of heating a body of liquid and a water heating unit for tanks utilizing such method  
For heating a body of liquid, such as water within a domestic water tank, there is provided an elongated hollow tube extending at an angle with respect to the vertical from the bottom to the upper...
4375589 Diesel fuel tank having removable electric immersion heater assembly  
A diesel fuel tank has an opening in the top wall through which an electric immersion heater assembly is inserted into the tank to heat the contents thereof. The immersion heater assembly includes...
4263499 Immersion heater with thermal cutoff  
An electric immersion heater comprises a plurality of U-shaped heater sheaths having the terminal leads of the coils in the legs thereof extending up into a junction box from which the sheaths...
4256950 Electrically heated animal waterer  
A livestock watering device includes a liquid supply tank having an access opening in its top and an outlet opening in its lower end. A removable lid hermetically closes the access opening and an...
4238666 Portable electric single service beverage heating device  
A portable liquid heating device includes a single service beverage container defining a cavity for a quantity of liquid and a removable electric heating unit disposed in the container to heat the...
4096376 Temperature control device  
An automatic device for closely held temperature control of a body of liquid via an electric heater, as for example via a liquid-immersed heater element. The control device provides an enclosed...
4081660 Heater shutdown circuit  
The heater shutdown circuit is connected between an electric current source and a heating element in an electric heater and is operable to shut off the flow of current to the heating element when...
4007371 Electric immersion heater for stock tanks  
The invention comprises electrically heated cylinders to be placed immersed in the bottom of a tank of water. The heated cylinder is electrically heated by an electric heating element mounted...
3922528 Thermostat heater  
A fluid heater unit comprising an elongate vertical immersible tubular body established of material having a high coefficient of expansion, an elongate drive member of material having a low...
3868493 Methods of installing an elongated, flexible, electric heater into a material storage tank, and heater construction for the same  
Methods of installing an elongated, flexible, electric heater into a material storage tank comprising attaching flexible cables to opposite ends of the heater while the same is disposed exteriorly...
3859504 MOISTURE RESISTANT PANEL HEATER  
A panel heater comprising a heat-generating element formed of a sheet of carbon fiber-containing paper and electrodes at both ends, layers of a synthetic resin and then aluminum foils laminated...
3796858 DECORATIVE AQUARIUM HEATER  
An electrical resistance heater is embedded in an electrically insulating mass configured as a natural element of an aquarium such as a leaf, coral or diver for example. A base adapted to receive...
3766358 IMMERSION HEATER  
An immersion heater including a heating element immersible in a fluid for heating the latter, and a mixing device for agitating the fluid mounted on the heating element. The mixing device is...
3757085 REMOVABLE TOP WITH A HEATING ELEMENT FOR A VACUUM INSULATED BOTTLE  
A removable top for a thermos bottle. The removable top is provided with means for continuously generating heat, e.g. a resistor mounted therein which may be heated when an electric current is...
3737621 WATER-IMMERSIBLE ELECTRICAL HEATING DEVICE  
An immersible electrical heating device for use in aquariums or other water-containing vessels, said device comprising a planar heating unit which is resiliently coupled to the lower end of a...
3564589 IMMERSION-TYPE AQUARIUM HEATER WITH AUTOMATIC TEMPERATURE CONTROL AND MALFUNCTION SHUT-OFF  
3560707 HEATING RODS  
The invention is concerned with heating rods which are arranged to be suspended in and to heat the water in an aquarium, the rods consisting of a heating coil embedded in an insulating material...
3557344 IMMERSIBLE ELECTRICAL HEATING DEVICE  
Disclosed is an electrical heating device for immersion in liquids to be heated, said device being made up of a supporting frame member on which is mounted an electrical heating unit comprising an...
3546430 APPARATUS FOR HEATING CAULKING MATERIALS  
3536893 IMMERSION HEATER  
3519795 ARTICULATED IMMERSION HEATER  
3511970 VAPOR ACTUATED SAFETY THERMOSTAT  
3487200 ELECTRIC KETTLE  
3476915 IMMERSION HEATERS  

Matches 1 - 50 out of 74 1 2 >