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:
Oct. 04, 1977
Filed:
Jul. 12, 1976
Applicant:
Inventors:
Harry Robert Fechter, Las Vegas, NV (US);
Peter Hood, Irvine, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 4 / ;
Abstract
A method and apparatus for detecting a leak in a pipeline and initiating, at the leak location, a sonic signal in the stream fluid, the signal being of a magnitude and character to be detected at remote upstream and downstream stations for location of the leak by known computations based on the time differential between the arrival times of the signals at the remotely spaced stations.