Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 6551379 | Apparatus for use with a natural gas dehydrator Apparatus for use with a natural gas dehydrator wherein a portion of the wet glycol in an emissions separator is pumped under pressure as circulating wet glycol which may be used as a coolant for effluent removed from a reboiler and/or a power source for ... | 04/22/2003 |
| 6364933 | Apparatus for use with a natural gas dehydrator Apparatus for use with a natural gas dehydrator wherein a portion of the wet glycol in an emissions separator is pumped under pressure as circulating wet glycol which may be used as a coolant for effluent removed from a reboiler and/or a power source for ... | 04/02/2002 |
| 4294593 | Drilling mud degasser apparatus and system A drilling mud degasser apparatus and system consists of a vacuum degasser tank, system of blowers or compressors for evacuation, and various control features associated therewith. The tank has an upward spiraling helical shelf which becomes progressively... | 10/13/1981 |
| 4089662 | Oil treatment system An oil treatment system for reclaiming used oil including apparatus for feeding the oil first through a filter for removing solid contaminants therefrom then through a vaporizer unit wherein it is heated under a vacuum while in a flowing film form to remo... | 05/16/1978 |
| 3932150 | Vacuum deaerator A vacuum deaerator is provided with a plurality of low pressure chambers disposed in a multi-stage fashion. The pressures in the aforesaid low pressure chambers are so adjusted that the difference between the temperature at treated water which flows into ... | 01/13/1976 |
