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1877-09-18 |
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Improvement in convertible chairs |
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1869-05-04 |
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Improvement in nut-locks for fish-plates |
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1874-07-21 |
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Improvement in edge-planes |
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1868-03-10 |
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Improved pavement |
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1873-03-11 |
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Improvement in combined globe-valves and traps |
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1874-03-17 |
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Improvement in making butterime |
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1960-09-19 |
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Du Pont |
Permeation separation device
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1976-07-06 |
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Method of repairing leaky hollow fiber permeability separatory devices
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Asahi Glass Co Ltd |
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Amf Incorporated |
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Gerhard Kunz |
Method for the treatment of a liquid phase, particularly method for desalting aqueous solutions, as well as device for its implementation
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Brunswick Corp |
Method and device for testing the permeability of membrane filters
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Henkel KGaA, 4000 Düsseldorf |
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1988-07-12 |
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Apparatus for filtering water containing radioactive substances in nuclear power plants
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Pall Corporation |
Filter cartridge with a connector seal
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The Dow Chemical Company |
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Memtec Limited |
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Monsanto Company |
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Fraunhofer Ges Forschung |
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