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:
Dec. 28, 1993
Filed:
Aug. 28, 1990
Applicant:
Inventors:
Frederic W Prill, North Aurora, IL (US);
Robert E Farnham, Naperville, IL (US);
Assignee:
Asphalt Product Technologies, Inc., Geneva, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ; F23G / ; F23G / ;
U.S. Cl.
CPC ...
47-142 ; 110246 ; 110341 ; 110346 ; 110216 ;
Abstract
An apparatus for remediating soil contaminated with combustible pollutants comprising means for initially heating the contaminated soil to a temperature sufficient to vaporize contaminants present therein, means for feeding the contaminated soil to the initial heating means, means for reheating gases created by vaporizing the contaminants, means for introducing the gases to the reheating means, means for cooling the gases, means for removing particulate matter from the gases, and means for exhausting the gases to the atmosphere.