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:
Jun. 25, 1991
Filed:
Aug. 14, 1989
Applicant:
Inventor:
Dennis W Johnson, Barberton, OH (US);
Assignee:
ENSR Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 21 ; 134 26 ; 134 38 ; 134 40 ; 134 42 ;
Abstract
The present invention is directed to a method and apparatus for removing contaminated masonry such as contaminated concrete in large volumes and continuously collecting the contaminated material in a series of containers. More specifically, the present invention is directed to a system for removing contaminated concrete contaminated with a hazardous material such as PCBs and collecting and treating the contaminated concrete so as to safely dispose of the contamination material.