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:
Aug. 01, 1995
Filed:
Jan. 28, 1993
Applicant:
Inventors:
Sylvain Janssen, Neuilly s/Seine, FR;
Jean-Pierre Campain, Clamart, FR;
Assignee:
Schlumberger Industries, Montrouge, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73201 ; 73-3 ; 141 83 ;
Abstract
A tubular device is slid over a delivery nozzle hose. A hose connects the tubular device to a gas meter. As fluid is expelled from the nozzle into the atmosphere, atmospheric air is sucked into the gas meter so that its volume can be measured for comparison with the volume of the expelled fluid.