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United States Utility Patents
5,480,550 - 5,480,559
Previous 10 Next 10
| Number | | Title |
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5,480,550 |
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Biotreatment process for caustics containing inorganic sulfides |
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5,480,551 |
|
Process for the biological treatment of water |
|
5,480,552 |
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Method for concentrating a solute with an oscillating filtration device |
|
5,480,553 |
|
Hollow fiber membrane module |
|
5,480,554 |
|
Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
|
5,480,555 |
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Control system for a water softener, control device therefor and methods of making the same |
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5,480,556 |
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Trapping and sealing process |
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5,480,557 |
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Method for preventing adhesion of scales in service water or circulating industrial water by applying the magnetic field |
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5,480,558 |
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Electric enhancement of adsorbent flotation separation |
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5,480,559 |
|
Liquid treatment |
For U.S. patent law, rules, and procedures see MPEP.
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