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. 28, 1984
Filed:
Jan. 05, 1982
Applicant:
Inventors:
Frederick Clarke, Houston, TX (US);
Donald E Lorenzi, Des Plaines, IL (US);
Edward F Schaefer, Tulsa, OK (US);
Assignee:
Magnaflux Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G01D / ;
U.S. Cl.
CPC ...
346 / ; 354 63 ;
Abstract
A device is disclosed which includes a camera pig and a tow pig having an articulated connection therebetween to permit movement through pipe bends. The tow pig includes a syphon device for projecting liquids upwardly and forwardly and also includes a compressor and a desiccant chamber for drying of gas which is injected into a camera space between cups of the camera pig. A flow path is provided through the camera pig which by-passes the camera space, for maintaining a passive environment therein.