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:
Oct. 08, 2002
Filed:
Oct. 02, 2000
Applicant:
Inventors:
Daniel W. Mayer, Wyoming, MN (US);
Robert L. Demorest, Maple Grove, MN (US);
John Bode, Eden Prairie, MN (US);
Assignee:
Mocon, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/04 ;
U.S. Cl.
CPC ...
G01M 3/04 ;
Abstract
A non-destructive method for testing sealed packages for leakage, particularly packages having a gas-permeable portion and a non-gas-permeable portion, by applying a temporary barrier over the gas-permeable portion, wherein the temporary barrier has two apertures, and enclosing the package in a testing chamber having a carrier gas flowing through it to a detector, and passing a tracer gas through the package interior via the two apertures in the temporary barrier.