Matches 1 - 50 out of 389 1 2 3 4 5 6 7 8 >


Match Document Document Title
8376733 Burner for heater  
A vented, gas-fired air heater especially designed for temporary heating applications includes an improved burner design providing effective air and gas mixing and efficient burning in the...
8061347 Dual fuel vent free gas heater  
A dual fuel vent free gas heater having at least one gas burner with a plurality of gas outlet ports in an upper surface thereof. The gas outlet ports are in flow communication with at least one...
8011360 Vented, gas-fired air heater  
A vented, gas-fired air heater especially designed for temporary heating applications includes an improved burner design providing effective air and gas mixing and efficient burning in the...
6019069 Gas-fired heaters with burners which operate without secondary air and have a substantially sealed combustion chamber  
A gas-fired burner apparatus includes a porous combustion surface disposed in a combustion chamber substantially sealed to prevent entry of secondary air. A subatmospheric pressure is maintained...
5890483 Heaters  
A heater comprises a combustion tube connected to receive gaseous fuel or liquid fuel dispersed within a gaseous carrier gas from a source. The combustion tube communicates with an expansion...
5279278 Burner unit  
A burner unit for heating a gaseous medium includes a heat exchanger provided with tubes, a space between the tubes connected on the upstream side to a feed duct for the gaseous medium; a...
5170773 Space heating unit for recreational vehicles  
A space heating unit is designed for use in a recreational vehicle and particularly to operate in conjunction with a cooking stove wherein the heating unit has a housing which is placed over a...
4590917 Space heater for small rooms  
A space heater for small rooms, e.g. house trailers or ship's cabins, comprises an undulating heat exchanger centered on a vertical axis and a combustion pipe surrounded thereby. A burner enters...
4531508 Gas-fired convector or convector/radiant room heating appliance  
A gas-fired condensing convector or convector/radiant room heating appliance comprising a sealed combustion chamber 12 communicating with a baffled heat exchanger 21, a gas burner 13 within the...
4220132 Gas-fired radiant burner  
A gas-fired radiant heater such as for thawing rail cars and their contents in car barns and the like during freezing weather. The heater has an elongated housing that supports a channel box and...
3828761 SPACE HEATER CONSTRUCTION PARTICULARLY FOR MOTOR VEHICLES  
A space heater particularly for vehicles comprising an inner tubular wall defining a combustion chamber for the generation of heating gases having an inner closed end and a side wall with opposite...
3815572 SAFE STOVE FOR CAMPERS  
An adapter plate snugly surrounds the burner head of a fuel burner and seals against ambient air ingress to the burner head from the region immediately surrounding it from below. The adapter plate...
3688759 OUTER BUILDING WALL AIR HEATING DEVICE WITH A HEAT EXCHANGER  
The invention relates to an outer building wall heating device with a heat exchanger comprising a mainly reversed U-shaped outer wall part, closed at the bottom end, an inner wall part lying...
3661140 GAS-FIRED FURNACE  
Each heat exchanger cell mounted in the heat tunnel has an elongated flue gas passage of serpentine form. One end of the passage is formed with a burner inlet combustion chamber with means to...
3623470 GAS FIREPLACE  
A wall-mounted, gas-fired fireplace unit includes a decorative simulated-log gas burner and a gas-fired, room-heating unit disposed behind the logs within a common decorative cabinet. Room air...
3610332 MULTILAYERED FLAT HEAT EXCHANGER  
A multilayered flat heat exchanger, consisting of a plurality of concentrically disposed shells. The spaces between adjacent shells are isolated from each other, and each of such spaces has...
3446202 RADIATOR MOUNTING ASSEMBLY FOR GAS WALL HEATER  
3439666 DOUBLE SHELL TANK FLUID HEATER  
3384069 Casing panel construction for heating appliance  
3361125 Sealed combustion wall heater  
3348533 Baseboard heater  
3336914 Gas space heater  
3254642 Room heater with vented circulation  
3234930 Baseboard gas heater  
3233883 Tobacco curing system  
3151611 All-metal jacketed and vented fireplace  
3109421 Radiant heat control shield  
3099257 Steel space heater construction  
2883979 Louvered stack for hot air heater  
2859742 Baffle system in space or wall heater  
2852017 Heating apparatus  
2846997 Wall mounted room heater  
2839045 Fluid burning air heater  
2823291 Space heater of the convection circulation type  
2811962 Forced air ventilating heaters  
2803294 Title is not available  
2789554 Fuel burning air heating apparatus  
2770228 Fuel burning wall space heater  
2764972 Venting system for combustion heaters  
2752911 Salamander type heating apparatus  
2731009 Portable fuel burning space heater  
2726654 Top heater and outlet grille assembly for wall heaters  
2716976 Heater applicable to floor and wall  
2704537 Title is not available  
2702539 Wall furnace  
2696205 Gas-fired wall heater and radiant therefor  
2671500 Burner mounting in a gas heater  
2656781 Adjustable outlet convector enclosure  
2648323 Gas fired air heater  
2648324 Gas fired air-heating furnace  

Matches 1 - 50 out of 389 1 2 3 4 5 6 7 8 >