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Class 210/259 - Diverse


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus under subclas 252 in which the units differ from
No. of patents: 805
Last issue date: 04/24/2012


                    21  
NumberTitleIssue Date
3956776Liquid waste material conveying system for toilets and the like
Apparatus for pneumatically conveying liquid waste material from a toilet or other receptacle to a receiving tank. A surge tank is located between the toilet and the receiving tank, and a vacuum pump is utilized to create a pressure drop in the surge tank...
05/18/1976
3956131System for separation of liquids and solids from a carrier liquid
An integrated system for the separation of liquid and solids entrained in a carrier effluent including a primary gross oil and solids separator, a secondary solids separator and a three stage centrifuge for final separation of fine solids and said entrain...
05/11/1976
3939070Method and installation for the treatment of waste water to form useful water
A method for the treatment of waste water to form useful water, comprising the steps of subjecting the waste water to a chemical flocculation treatment, floating the formed turbid portion of the waste water, and subjecting the clarified water to reverse o...
02/17/1976
                    21  
 
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