Patent for Sale:

Sewage Treatment Apparatus    

The system is a sewage treatment apparatus to treat solid contents such as food scraps discharged by apartment buildings, hotels, hospitals, food factories, etc.

The system receives sewage containing crushed solid contents, separates solid contents from liquid, and decomposes the solid contents by aerobic microbes.

Sewage treatment, sewage disposal, water purification system

- Achieve effective sewage treatment at low cost;
- Emits no dioxin as no incineration is required;
- Maintenance is extremely simple;
- Running cost for sewage treatment is low.

The seller would like to be granted a license back.

This technology has been successfully installed in 30 facilities.

Class 210: Liquid Purification Or Separation

Treating water or waste liquid, and when not more specifically provided for, the class for patents directed to treating liquids in general or of any kind and provides (1) process and apparatus for (a) separating a component from (b) purifying or (c) effecting a change in water or waste liquid, such process or apparatus not being more specifically provided for in another class; (2) process of treating liquids in general and treating liquid compositions of either general or diverse utilities; (3) apparatus not provided for in other classes, for performing the foregoing processes and treating liquids of any kind; (4) filter materials or compositions peculiar to the above-mentioned processes; and (5) Processes for purification of liquids containing hazardous or toxic waste to produce a nonhazardous or nontoxic product.

Subclass 202: Diverse type
Subclass 218: Gas removed from closed tank
Subclass 219: With mechanical agitator
Subclass 220: Submerged fluid inlet