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3872281 |
Band type electric heaters
A band heater in which a heating element sandwiched between two mica covers is placed between a base member and a pressure band with sidewalls of the pressure band being interleaved with sidewalls...
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3870859 |
Control system for frying apparatus
In apparatus for deep fat frying, control circuitry is provided for regulating the temperature of heating elements. During cooking the heating elements are immersed in cooking fluid and are...
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3869594 |
Hand covering with heating means therein
A hand covering having a fluid container integral therewith and containing means to heat fluid therein.
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3855453 |
APPARATUS FOR CONTROLLED QUENCHING OF MELT EXTRUDED FILAMENTS
An improved apparatus for critically controlling the rate of cooling melt extruded filaments which comprises a sleeve constructed from a material having an electrical resistivity. The sleeve is...
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3851149 |
ELECTRICAL HEATING CABLE WITH INDICATOR LIGHT AND MANUAL TEST DEVICE
An elongated flexible electrical resistance heating cable adapted to be wrapped about water pipes and for other similar uses. A cold lead extends to the cable and a thermostat is interposed between...
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3849630 |
ELECTRIC HEATING DEVICE
An elongate heating device comprises a preformed elongate core having at least one helical groove in its outer surface and a separately formed sleeve of an internal diameter greater than the...
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3842241 |
ELECTRICALLY HEATED AQUARIUM TANK
An aquarium tank has a transparent nonmetallic wall to the exterior of which is adhesively secured in heat exchange relationship a thin plate like heater controlled by a temperature control having...
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3832525 |
AUTOMATIC HEATING DEVICE TO PREVENT FREEZING OF WATER SUPPLY LINES
Heating apparatus for protecting the external water lines of a mobile home from freezing. The apparatus consists of an insulated duct surrounding the external water line of a mobile home with means...
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3831001 |
GOLF BALL HEATING DEVICE
A relatively separable, bipartite golf ball heating device is provided having confronting upper and lower sections. Each section includes: (a) a heat conductive tray having a plurality of...
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3831004 |
ELECTRIC HEATER
A cartridge or band heater having an internally threaded bushing secured thereof affording a secure mounting for electric wires or a conduit containing such wires.
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3829655 |
ELECTRICAL HEATING ENVELOPES
An electrical heating envelope which includes a metallic layer interposed between a vessel, the contants of which are to be heated, and the heating elements which supply the thermal energy. The...
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3829657 |
ELECTRIC BAND HEATERS
Electric band heaters wherein a heater includes resistance wire wound on an insulating strip sandwiched between two other insulating strips, the heater being sandwiched between an open strap and an...
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3828165 |
GOLF BALL WARMING OVEN
A golf ball warming oven is constructed of a tubular housing surrounded by an insulating cover. The oven is mounted over the exhaust manifold on a gas powered golf cart. For use on electric powered...
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3816687 |
ELECTRICALLY HEATED WATER OUTLETS
A heated water outlet having a tubular wall incorporating an electrical heater to prevent freezing of water in the outlet. The heater is supplied with low-tension voltage from a transformer which...
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3812323 |
ELECTRICAL HEATING BANDS FOR A FEEDING SYSTEM
Heating bands and cartridge heaters, adapted to be mounted about cylindrical chambers, manifolds and nozzles conveying heated plastic from a feeding system to a molding assembly, are arranged so...
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3798418 |
ELECTRIC HEATING MANTLES
An electric heating mantle for flasks, retorts or other vessels, of the form having a heating cavity heated by electrical resistance heating means positioned close to a layer of metal gauze...
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3789188 |
INSULATED PIPE LINE FOR HEATED MATERIALS
Apparatus for transporting a heated flowable material which includes at least one pair of telescoped conduits which are spaced from each other throughout the lengths thereof and which are formed of...
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3784785 |
ELECTRICALLY HEATED FLUID CONDUIT COUPLER
A flexible conduit coupler for connecting a water source to a point of use, such as a house trailer, in conditions where the fluid is subjected to freezing temperatures. The coupler includes an...
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3783241 |
APPARATUS FOR HEAT CONDITIONING OF GREEN TIRES FOR VULCANIZATION
The preheating of selective thickest portions of a green tire as in the shoulder regions of a green tire as by a radian heater to condition the green tire for vulcanization such that the green tire...
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3782452 |
SPACER SYSTEM FOR USE WITH PIPES EMPLOYING TRACER LINES
A spacer system, including a removeable metal spacer and a standoff; for use with pipelines employing tracer lines for heat transfer. The spacer system serves to support an outside casing of...
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3774013 |
HEAT TREATING APPLIANCE FOR STRESS-RELIEVING STEEL PIPING AND LIKE STRUCTURES
A heat treating appliance wrappable about welded steel pressure piping and like structures for relieving stresses therein and coilable to compact form for storage and transport comprises lengths of...
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3766361 |
STETHOSCOPE HANGER AND HEATER
A hanger for a readily attachable and detachable stethoscope. It serves to conveniently hold and simultaneously warm the diaphragm-equipped head of a currently usable stethoscope. This hanger...
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3766357 |
HIGH POWER FACTOR PIPE HEATER
A high power factor heater for industrial piping has a layer of thin (0.020 to 0.125 inch) flexible sheet electrical insualtion wrapped around the outside of a first pipe and in contact therewith....
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3764779 |
WINTERIZED CONTROL CABLE
A winterized control cable composed of an inner cable slidable in an outer tube is provided with at least one heat generating wire for preventing water droplets between the inner cable and the...
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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...
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3749881 |
ELECTRIC HEATER ASSEMBLY
A flexible radiant heater assembly for radiantly heating a structure having a curved surface comprises a plurality of longitudinally flexible ribbon heaters juxtaposed in spaced parallel...
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3740529 |
HEATING UNIT
An in situ heating unit is provided by embedding an electric heating element in a flexible laminar structure impregnated with partially polymerized high-temperature-resistant resin. The object to...
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3739147 |
EXTRUDED CONTACT ELECTRIC HEATER STRIP
A thermally conductive casing and a method for forming the same for a contact heater resistance element in the form of an open extrusion of thermally conductive, soft metal which, in open form,...
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3737627 |
ELECTRIC TEST TUBE HEATER
An electric test tube heater has a self-supporting, free-standing electric resistance heating coil of low mass attached to and electrically insulated from a support member adjustably mounted for...
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3733459 |
INTERNAL HEATING DEVICE FOR AIR VALVES
An electrical heating device for valves is presented. The device prevents freezing of water vapor normally present in the compressed air used in pneumatic systems, and thereby allows the use of the...
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3730262 |
HEATING AND COOLING UNITS
A heating and cooling unit comprising a flexible metal band formed in halves connected end-to-end around an object. The band carries a sheathed electric heating element and a metal cooling tube so...
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3730373 |
BAND-TYPE ELECTRIC HEATERS
A band-type electric heater adapted to be secured around the periphery of a cylindrical object to be heated, comprising an elongated metal-sheathed electric heater bent longitudinally to arcuate...
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3727029 |
COMPOSITE ELECTRICALLY HEATED TUBING PRODUCT
An armored, corrosion-resistant, deformable composite tubing of uniform construction throughout its length which is adapted for use as a temperature-controlled sampling tubing comprises a flexible,...
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3723705 |
FUSION HEATER
An electrical fusion heater for heating the abutting ends of two plastic pipes to be joined in a plastic pipe fusion apparatus. The heater comprises a thick circular slab of good heat conductivity...
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3723708 |
APPARATUS FOR HEAT SHRINKING MATERIAL ABOUT LOADED PALLET
A device for heat shrinking a loaded pallet having a bag of heat shrinkable plastic film. The device includes a housing which is closed at its sides and top but is open at the bottom. Along the...
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3718804 |
FIXING HEAT-GENERATING PIPE UTILIZING SKIN EFFECT CURRENT
A heat-generating pipe arrangement utilizing skin effect current includes a ferromagnetic pipe and an insulated conductor line passing through the interior of the pipe and having such a circuit...
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3717746 |
THERMALLY SHRINKABLE DEVICES
A uniformly shrinkable device having regions which are to be selectively shrunk, and a method for locally shrinking those regions. A body which is shrinkable by the application of heat has a...
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3711682 |
CONDUIT HEATING APPARATUS
An apparatus for heating portions of first and second separate plastic conduits. The apparatus has first and second heating heads each having a heating face operably connected to respective first...
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3706872 |
SYSTEM FOR ELECTRICALLY HEATING FLUID-CONVEYING PIPE LINES AND OTHER STRUCTURES
A heating system for electrically heating an electrically conductive fluid-transportation pipe or other electrically conductive structure by positioning an electrically conductive cover or shroud...
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3696233 |
HOLDER DEVICE FOR INFANT'S NURSING BOTTLE
A novel infant-feeding device comprising a receptacle member and means for holding the receptacle member in proximity to the infant. The receptacle member includes an opening whereby the bottle can...
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3694628 |
FLEXIBLE HEATING UNIT WITH SEPARATELY REPLACEABLE HEATING ELEMENTS
An elongated flexible heating unit for spiral wrapping around items to be annealed or heat treated contains a plurality of heating elements in parallel circuit so that a heat treating cycle may be...
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3689737 |
RADIANT HEAT GUN
A portable light weight heat unit for delivering instantaneous heat to a local heating area as in brazing, welding and joining operations, comprising a housing having a handle and a reflector...
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3657517 |
RELEASABLE CLAMP-ON HEATER BAND
A elongate, flexible, resilient, split-sleeve resistance heater of predetermined cross-section yieldingly, releasably engageable about an elongate part of similar cross-section. Said heater...
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3657516 |
FLEXIBLE PANEL-TYPE HEATING UNIT
A flexible panel-type heating unit in the form of a sealed integral assembly comprising an electrically resistive paper or felt-like porous board having at least one pair of electrodes contacting...
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3654429 |
HEATING ARRANGEMENT
A hand tool for heat shrinking material having an elongated shield of generally U-shaped cross-section defining a trough for receiving a work piece. A resistance heater element is positioned inside...
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3619566 |
CYLINDRICAL ELECTRIC HEATER WITH CLAMPING MEANS
A cylindrical or band heater for heating a cylindrical object includes a pair of arcuate heater means each having a pair of ends with the ends of one heater means adjacent the ends of the other...
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3617699 |
A SYSTEM FOR ELECTRICALLY HEATING A FLUID BEING TRANSPORTED IN A PIPE
A system for heating a fluid being transported in a pipe includes a ferromagnetic heat-tube coextensive with a section of pipe to be heated. The heat-tube is secured in heat exchange relation to...
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3602692 |
ELECTRICALLY HEATED MANTLE WITH A SEAL ARRANGEMENT
An electrically heated mantle having a frame and an inflatable annular seal element, especially adapted to be mounted on said heating mantle in encircling relation to a vessel therein. The seal...
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3601581 |
ELECTRIC HEATING DEVICE FOR HEATING THE EXTREMITIES OF PLASTIC PIPES
A cylindrical, open-topped, vertically walled pot with a perforated bottom adapted to be secured in spaced relation to a conventional electrical heating element so as to receive the extremity of a...
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3597591 |
BONDED FLEXIBLE HEATER STRUCTURE WITH AN ELECTRIC SEMICONDUCTIVE LAYER SEALED THEREIN
A bonded aluminum-semiconductive heater structure and process for preparing the same wherein a flexible, planar, semiconductive heating element, enclosed within chemically etched insulating layers...
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