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:
Aug. 08, 1995
Filed:
Jun. 23, 1993
Applicant:
Inventors:
Terence R Regan, Newburyport, MA (US);
Boris Dynkin, Newton, MA (US);
Assignee:
Geraghty & Miller, Inc., Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; E21B / ;
U.S. Cl.
CPC ...
210747 ; 210170 ; 210220 ; 210908 ; 210909 ; 166265 ; 166266 ; 166267 ; 166370 ; 95246 ;
Abstract
Methods for vacuum extraction of contaminants from subsurface media which involves vacuum withdrawal through a conduit, of vaporized contaminant, assisted by a tube for allowing air bubbles to flow through the liquid-phase hydrocarbon zone thereby causing enriched hydrocarbon vapors to be extracted through the vacuum applied to the conduit.