US Patent: 3,617,541
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| Biogrid Unit and Method
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Patentee:
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| Pei-Tai Pan (exact or similar names) - Beloit, Rock County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 29, 1969 |
| Granted: |
Nov. 02, 1971 |
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Joel Havens
"Vintage Machinery" entry for Fairbanks, Morse & Co.
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Description: |
| Abstract:
A sewage treatment unit comprising an open-ended tank including therein a series of spaced substantially vertically disposed permeable fabric members supported in the tank for oscillating movement, the surfaces of each of the members providing such growth areas for biological masses and aeration means for supplying oxygen to the biological masses to facilitate biological oxidation of the sewage in the tank. |
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