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:
Jan. 24, 1995
Filed:
Aug. 23, 1993
Applicant:
Inventor:
Rudolph R Millan, Berkeley, CA (US);
Assignee:
International Technology Corporation, Torrance, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B09B / ;
U.S. Cl.
CPC ...
405128 ; 166370 ; 210751 ; 405 52 ;
Abstract
The specification discloses a system for treating a subterranean formation having an aquifer contaminated with organics wherein organics are removed from the formation through an extraction well and a negative pressure is supplied to the formation through a vacuum well to cause an influx of water into the formation which is selected so that the water level is maintained at a desired level.