Matches 1 - 50 out of 173 1 2 3 4 >
Match Document Document Title
7592571 Rotating element seal assembly  
A seal assembly includes a mount that selectively rotates an element and a seal that prevents leakage of a liquid therethrough.
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...
7355147 Ice removal for a pond  
A floating ice removal device with a disk shaped upper cover, a disk shaped lower cover and a heat emitting cup. An electric circuit board is mounted on an inner bottom of the lower cover, and a...
7316423 Fitting and pipe section for jetted bath heaters  
A fitting and pipe section assembly 10 that is capable of being installed in tubing 20 A and 20 B of a jetted bath to render the tubing 20 A and 20 B adaptable to accept a close fit fluid...
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...
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...
6633727 Integrated heater and controller assembly  
An integrated heater and controller assembly for monitoring and controlling the heating of a process in a reservoir is disclosed. The assembly includes a heater, a coupling adapter, a control unit,...
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...
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...
6282372 Multi-position point of use electric water heater  
A point-of-use electric water heater is provided with a unique configuration permitting it to be selectively used in (1) a wall or ceiling-mounted horizontal orientation, (2) a floor or...
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....
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...
6157007 Chafing dish heater  
An improved heater assembly for use with a chafing dish having water and food pans with complemental peripheral flanges is disclosed. The assembly includes a corner piece sized to be interposed...
6154608 Dry element water heater  
A water heater assembly (20) is disclosed. The water heater assembly includes a tubular housing (22) having an inlet, an outlet, and a channel extending between the inlet and outlet for passing...
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...
6064801 Heating element assembly for water heater with IC controller and temperature sensor mounted in thermal relation  
An integral water heating assembly is mounted to the tank wall or bottom of a water heater. The integral water heating assembly in accordance with the invention is able to detect conditions such as...
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...
6028294 Heater assembly  
A heating assembly for imparting energy to a liquid which is enclosed in a vessel, is described and which includes a base plate borne by the vessel and having a first portion which has a given...
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...
5978550 water heating element with encapsulated bulkhead  
A water heating element (12) has an encapsulated bulkhead flange (16). The water heating element includes a heating coil (32) that is housed in an outer sheath (34). The bulkhead flange is secured...
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...
5933575 Water heating appliance for hottub or spa  
A water heating appliance for use in a hottub or spa with said appliance consisting of an especially designed float-body with a safety shield which protrudes from the bottom of the body and also...
5919386 Purge management system for gas purged immersion heaters  
A purge manifold assembly, which can be used in a gas purged immersion heater, includes a housing having a vessel wall having an aperture extending therethrough. A purge manifold is located...
5892888 Means for electrically heating a circulating fluid in a basin or pool  
An electric heating apparatus heats a circulating fluid for a basin or pool. A section of a duct is connected, at its upstream end, to an intake duct for the fluid. Its downstream end is connected...
5859411 Compact immersion heater, particularly for aquariums  
A compact immersion heater, for aquariums, includes: a watertight tubular container (2); an electric heating component (4); an adjustable thermostat (3); an electric circuit (6, 7, 8, 9) for...
5835680 Immersion heater and support structure  
An apparatus for heating water is provided having a water receptacle including a bottom wall and side walls for containing a volume of water therein to be heated. The bottom wall of the receptacle...
5834741 Temperature control heater with submersible glass tube liquid crystal (LSD) display  
A temperature control heater with sink type glass tube liquid crystal (LCD) display, especially relates to a temperature control heater having a structure for display the temperature precisely, the...
5828810 Positive temperature coefficient bar shaped immersion heater  
A method and apparatus for electrically heating fluid media with a bar shaped immersion heater is provided. The bar shaped immersion heater includes a thin strip heating element within a heat...
5793929 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...
5750960 Device for heating and maintaining a constant temperature in a liquid, in particular the water of aquariums  
A device for heating the water in an aquarium comprises a casing, and housed in the casing, at least one heater element, a thermostat, an electrical circuit by way of which the heater element and...
5706390 Electrically powered immersion heating elements and controls therefor  
An electric immersion heating element has an elongate, metal-sheathed, electrically insulated, resistance heating portion (1) engaged at its ends in bores formed in an element head (2) which may be...
5633978 Electrical immersion heater with removable self-supporting carrier and housing  
An electrical heater, in particular in the shape of an immersion heater (20), to heat liquids and/or keep these at a moderate temperature with at least one heating element which heats up on account...
5568587 Electronic immersion aquarium heater with spring biased NTC sensor  
An electronic immersion heater includes a tube closed at one end that contains in succession from its bottom to its open end: a heating element, an electronic circuit board with the corresponding...
5506931 Immersion type water heating element assembly with permanently wired electrical supply  
An immersion type water heating element assembly. The assembly allows replacement of a water heating element for a hot water tank without removing the electrical supply wires or disconnecting an...
5459812 Immersion heaters including sheet metal heat conduction link  
An immersion heater includes a heating element having a return portion around which is wrapped a thermally conductive link. The link extends through a plastic head and seal member, by which the...
5386100 Control arrangement for immersion liquid heaters  
An electric immersion water heater comprises a vessel with a heating element having cold tail ends extending individually through a side wall of the vessel. Temperature sensing elements sense...
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...
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...
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...
5304286 Water supply system  
To provide a balanced supply of distilled water and undistilled hot water for a household, a condenser coil communicates at one end with a steam generator located above a hot water heater and at...
5220638 Water heater with an improved thermostat mounting and a method of making such water heaters  
A water heater having a non-metallic tank and a surface mounted thermostat is provided with a thermostat mounting which reliably sensing water temperature. The thermostat mounting includes a large...
5191634 Screw plug immersion heater comprising separate header and threaded sleeve sections  
An immersion heater having a screw plug formed from header and sleeve parts. The header part comprises a stamped, thin sheet of metal having a plurality of holes for the heating elements to extend...
5175792 Low liquid level advance warning alarm system with safety shut-off  
An advance warning control system for controlling the liquid level in a heating tank including an electrical immersion heater to provide a source of radiant energy, a control means operably...
5149399 Liquid evaporator  
A liquid evaporator includes an air-tight outer container containing liquid therein, the liquid container having support legs adjacent the bottom surface thereof; an inner container mounted on the...
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...
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...
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...
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...
5058195 Thermistor mounting arrangement  
An elongate hollow tubular assembly mounts a temperature sensing element in a reservoir to determine the temperature of a liquid in the reservoir. The tubular assembly includes an inner tubular...
4901686 Engine heating assembly  
For use with a liquid cooled engine with a freeze plug opening, a heater assembly with a resistance type heating element supported in the interior of a generally cup-shaped housing with an open end...
Matches 1 - 50 out of 173 1 2 3 4 >