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:
Mar. 16, 1993
Filed:
Sep. 05, 1991
Applicant:
Inventor:
Jacques Tallon, Annecy, FR;
Assignee:
Alcatel CIT, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
73 407 ;
Abstract
A helium leak detector characterized in that it comprises a first molecular pump (T) having a high pumping speed, having its low-pressure outlet connected to an inlet (E) of the detector, and having its high-pressure outlet connected either to a pre-vacuum assembly (10) comprising a first valve (V1) and a first primary pump (P1), or to a measurement assembly (20) for measuring helium pressure and comprising:
Quick Actions:
Tallon, Jacques. (1993). High flow-rate leak detector having three molecular filters (U.S. Patent No. 5193380). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5193380
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