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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.:

US 6064311 B1

PDFFull Text
Date of Patent:
May. 16, 2000

Filed:

Jun. 24, 1998

Process for generating at least one warning signal relating to the level

Applicant:
Inventors:

Laurent Ferenczi, Paris, FR;

Frederic Barth, Paris, FR;

Veronique Dulphy-Vigor, Chicago, IL (US);

Nicolas Viard, Buc, FR;

Assignee:

L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des, , US;

Attorney:

Young & Thompson

Primary Examiner:

Julie Lieu

Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340618 ; 340606 ; 340612 ; 340614 ; 7329 / ; 73302 ; 364143 ; 364144 ;
Abstract

The process for generating at least one warning signal relating to the level in a tank (3) for storing a product (4) comprises the following steps:

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