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:
Feb. 09, 1999
Filed:
Feb. 26, 1998
Applicant:
Inventor:
Peter J Tolan, Scituate, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417297 ; 417279 ; 417313 ; 166 53 ; 166 7511 ; 137 67 ;
Abstract
Disclosed is a method and apparatus for the continuous remediation of a site contaminated with a hazardous substance. The remediation apparatus includes a material selectively permeable to the hazardous substance located at the site. Once isolated, the hazardous substance is removed to a remote vessel by mechanical means or by utilization of an gas-injection system. The invention also contemplates a valve configured to protect remediation apparatuses from detrimental overloadings of hazardous substances during a remediation procedure.