Water heating device for livestock tanks

Claim 1

IN A WATER HEATER FOR A STOCK WATERING TANK, THE COMBINATION WHICH COMPRISES A HEADER POSITIONED IN A HORIZONTAL PLANE, A DUCT ALSO POSITIONED IN A HORIZONTAL PLANE NORMAL TO THE HEADER AND COMMUNICATING THEREWITH, SAID DUCT POSITIONED AT ONE END OF THE HEADER AND EXTENDED LATERALLY FROM BOTH SIDES THEREOF, AIR INTAKE TUBES AT THE END OF THE HEADER OPPOSITE TO THAT ON WHICH THE DUCT IS POSITIONED, ALSO EXTENDED FROM BOTH SIDES OF THE HEADER AND ALSO COMMUNICATING WITH THE HEADER, SAID HEADER, DUCT, AND AIR INTAKE TUBES BEING IN A COMMON HORIZONTAL PLANE AND POSITIONED TO FORM AN H, THE ENDS OF SAID AIR INTAKE TUBES BEING EXTENDED UPWARDLY TO POINTS ABOVE THE LEVEL OF WATER IN A TANK IN WHICH THE HEATER IS POSITIONED, SAID DUCT HAVING VERTICALLY DISPOSED UPWARDLY EXTENDED END PORTIONS, ONE OF SAID END PORTIONS OF THE DUCT PROVIDING A DISCHARGE OPENING, A SLEEVE ADJUSTABLY MOUNTED ON THE UPPER END OF THE END PORTION OF THE DUCT PROVIDING THE DISCHARGE OPENING, THE UPWARDLY EXTENDED END PORTION OF THE DUCT OPPOSITE TO THE END PROVIDING A DISCHARGE OPENING PROVIDING A BURNER TUBE, A PERFORATED DISC POSITIONED ON THE UPPER END OF THE BURNER TUBE, A PERFORATED AIR JACKET DEPENDING FROM SAID DISC AND POSITIONED IN THE BURNER TUBE, AND A FUEL SUPPLY TUBE EXTENDED VERTICALLY THROUGH SAID DISC AND AIR JACKET AND HAVING AN L-SHAPED LOWER END PROVIDING A HORIZONTALLY DISPOSED BURNER.