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Inventor: Paabo; Ulo
Address: Kristianstad, SW
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4093551 |
Device for purifying sewer water in small sewer systems |
June 6, 1978 |
| A device for purifying water in small sewer systems (e.g. a system connected to one or a few family houses) includes means for automatic addition of a chemically active liquid to the water passing through the device. The invention eliminates the need of any movable parts by using two |
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