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. 23, 2003
Filed:
Jan. 14, 2003
Applicant:
Inventors:
Thorkild Hansen, Brighton, MA (US);
Michael L. Oristaglio, Newtown, CT (US);
Assignee:
Witten Technologies Inc., Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/02 ; G01S 1/386 ;
U.S. Cl.
CPC ...
G01S 3/02 ; G01S 1/386 ;
Abstract
A method and apparatus for detecting and locating leaks in buried pipes is disclosed in which ground penetrating radar, induction, acoustic, and vacuum excavation systems are selected based on soil conditions and then employed in selected combinations. The conductivity and wave speed of the soil are used in the selection process and in the process of detecting and locating a leak based on the measurements obtained from the selected combination of detection systems.