Raw sewage disposal apparatus
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United States of America Patent
Stats
-
Nov 16, 1993
Grant Date -
N/A
app pub date -
Dec 3, 1992
filing date -
Dec 2, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A raw sewage disposal apparatus capable of evaporating the liquid component of raw sewage contained in an airtight vessel and capable of cleaning the vessel after and evaporating the liquid component of the raw sewage and heating the vessel so that dust which is not evaporated can be collected with assurance, hence the apparatus can be used for a long time. The apparatus comprises a vessel for containing the raw sewage therein, a heater for heating the lower portion of the vessel, an air supply pipe for supplying air into the vessel, a discharge pipe communicating with the vessel for discharging vapor formed by the evaporation of the liquid component for the raw sewage, a catalyst box connected to the discharge pipe by way of a closing valve, a dust collection box connected to the discharge pipe by way of a closing valve and a collection bag housed in the dust collection box for separating the dust from the air and collecting the dust.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
| Patent Owner | Address | |
|---|---|---|
| NIKKEN CORPORATION | 2-14-2 NAGATACHO SANNO GRAND BLDG CHIYODA-KU TOKYO 100-0014 |
International Classification(s)
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Kishi, Mitsuhiro | Tochigi, JP | 53 | 672 |
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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