Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7381376 | Steam generator This invention concerns a steam generator (100) intended to humidify the air in an enclosed space or the air treated in an air conditioning system, particularly an air conditioning system aboard an aircraft, said steam generator (100) comprising at lea... | 06/03/2008 |
| 6648235 | Control method of thermostatic system A control method of a thermostatic system for a hot water heater is provided where when the water temperature in the hot water heater is too large, a first electromagnetic valve is controlled to be open and a second electromagnetic valve is controlled to ... | 11/18/2003 |
| 4735056 | Pressure regulating valve controller A pressure regulating valve controller for controlling the flow of refrigerant airflow through one of a plurality of air cycle systems is described. The controller includes pressure regulating means (145) for controlling flow in response to changes in ram... | 04/05/1988 |
| 4320872 | Anti-ice control system An anti-ice control system for controlling flow of heated air in response to the temperature of the heated air and ambient air.... | 03/23/1982 |
| 4318509 | Fluid temperature control system Fluid temperature control system for providing a supply fluid at a select temperature by warming or cooling a first fluid with a controlled flow of a second fluid. The control of the second fluid flow is achieved by a modulation valve adjustable in respon... | 03/09/1982 |
| 4194357 | Auto ignition temperature control system A temperature control system safely and efficiently protects critical aircraft surfaces from reaching fuel auto ignition temperature with cooling provided by a relatively small and light heat exchanger.... | 03/25/1980 |
| 4102387 | Auto ignition temperature control system A temperature control system safely and efficiently protects critical aircraft surfaces from reaching fuel auto ignition temperature with cooling provided by a relatively small and light heat exchanger.... | 07/25/1978 |
