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United States Utility Patents
4,276,170 - 4,276,179
Previous 10 Next 10
| Number | | Title |
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4,276,170 |
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Vented flexible filtration device for use in administering parenteral liquids |
|
4,276,171 |
|
Water filter having spiral casing |
|
4,276,172 |
|
Cellulosic membrane for blood dialysis |
|
4,276,173 |
|
Cellulose acetate hollow fiber and method for making same |
|
4,276,174 |
|
Control of sludge temperature in autothermal sludge digestion |
|
4,276,175 |
|
Regeneratable peritoneal dialysis bag |
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4,276,176 |
|
Water purification system |
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4,276,177 |
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High efficiency filtration with impurity concentration and ultrafiltration rejection flow recirculation |
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4,276,178 |
|
Apparatus for purification of waste water by means of active carbon |
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4,276,179 |
|
Removing halogenated hydrocarbons from aqueous media by utilizing a polyolefinic microporous adsorbent |
For U.S. patent law, rules, and procedures see MPEP.
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