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:
Jan. 03, 2017
Filed:
Apr. 30, 2014
Applicant:
Control Devices, Inc., Broken Arrow, OK (US);
Inventors:
Jason Farqué, Tulsa, OK (US);
Eric Farqué, Tulsa, OK (US);
Assignee:
Control Devices, Inc., Broken Arrow, OK (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/00 (2006.01); G01N 29/04 (2006.01); F17D 5/06 (2006.01); G01S 3/802 (2006.01); G01S 5/18 (2006.01); G01S 11/14 (2006.01); F16L 55/48 (2006.01);
U.S. Cl.
CPC ...
G01N 29/04 (2013.01); F17D 5/06 (2013.01); G01S 3/8022 (2013.01); G01S 5/18 (2013.01); G01S 11/14 (2013.01); F16L 55/48 (2013.01); G01N 2291/2636 (2013.01);
Abstract
A multiple frequency ping transmitter which can be carried by a pig which is used in an underwater pipeline. The ping transmitter produces a ping chord which includes a plurality of different tone frequencies which are simultaneously transmitted in the ping chord. Procedures are also provided wherein the multiple frequency ping transmitter is used in a system and method for located a pig which is stuck in the underwater pipeline or for determining the relative velocity of a moving pig.