The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1981
Filed:
Aug. 29, 1978
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21F / ;
U.S. Cl.
CPC ...
137118 ; 2323 / ; 141 13 ; 141192 ; 210128 ; 2523 / ; 422108 ; 422159 ; 364105 ; 364106 ; 364111 ; 364112 ; 364116 ; 364504 ;
Abstract
A system for controlling the number of waste liquid disposal units in operation is disclosed in which the amount of waste liquid to be produced during a predetermined period of time is forecast, and the forecast result is used to calculate the required minimum number N of the waste liquid disposal units according to a predetermined formula, thereby to control the operation of the required minimum number N of the units among a plurality of waste liquid disposal units.