Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7028764 | Refrigeration evaporator An evaporator for disposition along an air flow for cooling the air. The evaporator comprises a continuous serpentine tube having an inlet and an outlet and a plurality of inner fins attached to the serpentine tube. The serpentine tube including at least one column ... | 04/18/2006 |
| 7013662 | Staggered spray nozzle system A staggered spray nozzle system for efficiently thermally managing one or more electronic devices. The staggered spray nozzle system includes a first portion and a second portion positioned with the first portion. The first portion includes at least one first orific... | 03/21/2006 |
| 4936505 | Gas-fired coaxial water/air vehicle heater An improved gas-fired heater for supplying heat to a space, such as a vehicle cab, and simultaneously, heat to the engine block for running the vehicle. A heat exchanger simultaneously heats a coolant which supplies heat to the engine block, and air to th... | 06/26/1990 |
| 4791274 | Electric finned-tube baseboard space heater employing a vaporized working fluid An electrically-powered space heater has a boiler connected to supply a vaporized working fluid consisting of a 2 to 1 mixture of ethylene glycol and water to a slightly upwardly inclined, closed-end, finned-tube heater exchanger at a pressure of between ... | 12/13/1988 |
| 4640458 | Method of producing hot air and hot water for sanitary purposes and apparatus for carrying out the said method The present invention relates to a method and an apparatus for producing hot air and hot water for the supply of sanitary fittings, the apparatus comprising on the one hand, a central portion reserved for the sanitary water containing a reheating exchange... | 02/03/1987 |
| 4630771 | Economical fountainhead The presently invented three tier fountainhead comprises several assembly orientations of modified standard Polyvinyl Chloride (PVC) plumbing parts to form three separate pressure chambers, each of which feed a different tier of water spray. Larger sized ... | 12/23/1986 |
| 4274581 | Package heat exchanger system for heating and cooling A compact heating and cooling system in which air ducts are connected to a host exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the s... | 06/23/1981 |
| 4171772 | Package heat exchanger system for heating and cooling A compact heating and cooling system in which air ducts are connected to a heat exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the s... | 10/23/1979 |
| 4158438 | Self-pumping water boiler system A package heat exchange system using an expanded surface gas-fired burner to supply heat via a heat exchange coil in a dome above the extended surface heat exchanger which heats domestic hot water and supplies heat via the dome to a radiator for heating a... | 06/19/1979 |
| 4149673 | Self-pumping water boiler system A package heat exchange system using an expanded surface gas-fired burner to supply heat via a heat exchange coil in a dome above the extended surface heat exchanger which heats domestic hot water and supplies heat via the dome to a radiator for heating a... | 04/17/1979 |
| 4057189 | Forced air hot water furnace A forced air hot water furnace including means for initially heating water and delivering the heated water to a radiator, the radiator having a fluid conduit as a part thereof, the fluid conduit having an upstream section with an orifice or passage of pre... | 11/08/1977 |
